Introduction |
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xxvii | |
Features of this Book |
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xxviii | |
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Chapter 1 Introduction to the World of IT |
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1 | (30) |
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2 | (1) |
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2 | (3) |
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Breaking into IT with the CompTIA A+ Certification |
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5 | (1) |
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Basic Skills for This Course |
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5 | (3) |
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8 | (1) |
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8 | (6) |
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14 | (3) |
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17 | (1) |
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18 | (3) |
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21 | (1) |
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22 | (1) |
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23 | (1) |
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24 | (2) |
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26 | (1) |
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Exercise 1.1 Identifying Tower Computer Parts |
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26 | (2) |
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Exercise 1.2 Identifying Computer Parts |
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28 | (1) |
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28 | (1) |
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28 | (1) |
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29 | (1) |
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29 | (2) |
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31 | (36) |
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Introduction to Connectivity |
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32 | (1) |
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32 | (1) |
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32 | (1) |
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33 | (11) |
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44 | (1) |
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45 | (1) |
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45 | (2) |
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47 | (1) |
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48 | (6) |
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Integrated Motherboard Ports |
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54 | (1) |
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54 | (2) |
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Wireless Connectivity for Input Devices |
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56 | (1) |
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57 | (2) |
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59 | (1) |
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60 | (1) |
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61 | (1) |
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Exercise 2.1 Identifying Computer Ports |
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61 | (1) |
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Exercise 2.2 Identifying More Computer Ports |
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62 | (1) |
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Exercise 2.3 Identifying Display Ports |
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62 | (1) |
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Exercise 2.4 Identifying USB Ports |
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63 | (1) |
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Exercise 2.5 Identifying Cables |
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63 | (1) |
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64 | (1) |
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64 | (1) |
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65 | (1) |
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65 | (2) |
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Chapter 3 On the Motherboard |
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67 | (42) |
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Introduction to the Motherboard |
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68 | (1) |
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68 | (1) |
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69 | (2) |
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Speeding Up Processor Operations Overview |
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71 | (1) |
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72 | (1) |
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73 | (1) |
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73 | (1) |
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Connecting to the Processor |
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74 | (1) |
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74 | (2) |
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Graphics Processing Unit (GPU) |
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76 | (1) |
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Introduction to Virtualization |
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76 | (1) |
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77 | (1) |
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78 | (1) |
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79 | (1) |
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80 | (2) |
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82 | (2) |
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84 | (1) |
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84 | (1) |
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Installing CPU Thermal Solutions |
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85 | (1) |
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Troubleshooting Processor Issues |
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86 | (1) |
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87 | (1) |
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PCI (Peripheral Component Interconnect) |
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88 | (1) |
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AGP (Accelerated Graphics Port) |
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88 | (1) |
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PCIe (Peripheral Component Interconnect Express) |
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89 | (4) |
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Motherboard Security Options |
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93 | (1) |
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94 | (1) |
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Upgrading and Replacing Motherboards |
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95 | (1) |
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Motherboard Troubleshooting |
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96 | (3) |
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99 | (2) |
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101 | (1) |
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102 | (2) |
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104 | (1) |
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Exercise 3.1 Identifying ATX Motherboard Parts |
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104 | (1) |
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Exercise 3.2 Motherboard Analysis |
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105 | (1) |
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106 | (1) |
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106 | (1) |
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107 | (1) |
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107 | (2) |
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Chapter 4 Introduction to Configuration |
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109 | (34) |
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110 | (1) |
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110 | (1) |
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111 | (1) |
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112 | (1) |
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BIOS/UEFI Configuration Settings |
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113 | (4) |
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117 | (1) |
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118 | (1) |
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Firmware Updates: Flashing/Clearing the BIOS/UEFI |
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118 | (2) |
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Other Configuration Parameters |
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120 | (3) |
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Hardware Configuration Overview |
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123 | (1) |
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124 | (4) |
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128 | (1) |
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Installing a Network Interface Card |
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129 | (1) |
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Troubleshooting Configurations |
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130 | (3) |
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133 | (1) |
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133 | (1) |
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134 | (2) |
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136 | (1) |
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Exercise 4.1 System Expansion |
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136 | (2) |
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Exercise 4.2 BIOS/UEFI Options |
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138 | (2) |
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140 | (1) |
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140 | (1) |
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141 | (1) |
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141 | (2) |
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Chapter 5 Disassembly and Power |
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143 | (44) |
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144 | (1) |
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Electrostatic Discharge (ESD) |
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144 | (2) |
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Electromagnetic Interference (EMI) |
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146 | (1) |
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147 | (1) |
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148 | (8) |
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156 | (1) |
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156 | (3) |
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Basic Electronics Overview |
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159 | (4) |
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163 | (7) |
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Replacing or Upgrading a Power Supply |
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170 | (2) |
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172 | (1) |
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Symptoms of Power Supply Problems |
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173 | (4) |
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177 | (2) |
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179 | (1) |
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180 | (2) |
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182 | (1) |
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Exercise 5.1 Identifying Power Supply Connectors |
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182 | (1) |
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Exercise 5.2 Recognizing Computer Replacement Parts |
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183 | (1) |
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Exercise 5.3 Describing Computer Parts |
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183 | (1) |
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184 | (1) |
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184 | (1) |
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185 | (1) |
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185 | (2) |
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187 | (36) |
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188 | (1) |
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Memory Physical Packaging |
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188 | (1) |
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Planning a Memory Installation |
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189 | (11) |
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Installing Memory Overview |
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200 | (2) |
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202 | (1) |
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Monitoring Memory Usage in Windows |
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203 | (1) |
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Older Applications in Windows |
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204 | (1) |
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Troubleshooting Memory Problems |
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205 | (2) |
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207 | (4) |
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211 | (1) |
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212 | (1) |
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213 | (2) |
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215 | (1) |
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Exercise 6.1 Configuring Memory on Paper |
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215 | (1) |
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Exercise 6.2 Configuring Memory on Paper |
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216 | (2) |
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Exercise 6.3 Configuring Memory on Paper |
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218 | (2) |
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Exercise 6.4 Configuring Memory on Paper |
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220 | (1) |
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221 | (1) |
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221 | (1) |
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222 | (1) |
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222 | (1) |
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Chapter 7 Storage Devices |
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223 | (56) |
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224 | (1) |
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225 | (2) |
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Solid-State Drive (SSD) Overview |
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227 | (2) |
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Mechanical Drive Interfaces Overview |
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229 | (1) |
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230 | (1) |
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PATA, SATA, and SAS Connectivity |
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231 | (4) |
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Storage Device Configuration Overview |
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235 | (6) |
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System BIOS/UEFI Configuration for Storage Devices |
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241 | (1) |
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Hard Drive Preparation Overview |
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242 | (8) |
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250 | (3) |
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253 | (2) |
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255 | (1) |
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Disk Caching/Virtual Memory |
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256 | (2) |
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Troubleshooting Storage Devices Overview |
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258 | (2) |
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260 | (1) |
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Troubleshooting New Storage Device Installation |
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260 | (2) |
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Troubleshooting Previously Installed Storage Devices |
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262 | (3) |
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265 | (1) |
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266 | (2) |
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268 | (3) |
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271 | (1) |
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272 | (2) |
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274 | (1) |
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Exercise 7.1 Planning Storage Device Installation and Configuration |
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274 | (1) |
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Exercise 7.2 Configuring a SATA Hard Drive on Paper |
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275 | (2) |
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277 | (1) |
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277 | (1) |
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278 | (1) |
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278 | (1) |
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Chapter 8 Video and Multimedia Devices |
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279 | (38) |
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Multimedia Devices Overview |
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280 | (1) |
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280 | (1) |
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280 | (7) |
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287 | (2) |
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289 | (3) |
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292 | (1) |
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Sound Cards Using Windows |
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293 | (2) |
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295 | (1) |
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Troubleshooting Sound Problems |
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296 | (1) |
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297 | (3) |
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Optical Drive Installation |
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300 | (1) |
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Troubleshooting Optical Drive Issues |
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300 | (2) |
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302 | (3) |
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305 | (4) |
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309 | (1) |
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310 | (1) |
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311 | (2) |
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313 | (1) |
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Exercise 8.1 Video and Multimedia Device Research |
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313 | (1) |
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Exercise 8.2 Which One Will You Buy? |
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314 | (1) |
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315 | (1) |
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315 | (1) |
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316 | (1) |
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316 | (1) |
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Chapter 9 Printers and Multifunction Devices |
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317 | (58) |
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Printer/Multifunction Device Overview |
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318 | (1) |
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318 | (1) |
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319 | (2) |
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321 | (2) |
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323 | (4) |
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327 | (2) |
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329 | (3) |
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332 | (2) |
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334 | (1) |
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Refilling Cartridges, Re-inking Ribbons, and Recycling Cartridges |
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335 | (1) |
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336 | (1) |
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336 | (6) |
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Printer Installation Overview |
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342 | (1) |
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Installing Multifunction Devices |
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343 | (1) |
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343 | (1) |
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Printers in the Windows Environment |
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344 | (5) |
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349 | (5) |
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354 | (1) |
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General Printer Troubleshooting |
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355 | (4) |
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USB-Attached Printer Troubleshooting |
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359 | (1) |
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Windows Printer Troubleshooting |
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359 | (3) |
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Impact Printer Troubleshooting |
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362 | (1) |
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Inkjet Printer Troubleshooting |
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363 | (1) |
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Laser Printer Troubleshooting |
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363 | (3) |
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366 | (2) |
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368 | (1) |
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369 | (2) |
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371 | (1) |
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Exercise 9.1 Research a Local Printer |
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371 | (1) |
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Exercise 9.2 Printer Driver Research |
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371 | (1) |
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372 | (1) |
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372 | (1) |
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372 | (1) |
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373 | (2) |
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Chapter 10 Mobile Devices |
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375 | (98) |
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376 | (6) |
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382 | (3) |
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385 | (2) |
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387 | (3) |
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Mobile Device Wired Connectivity |
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390 | (3) |
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Mobile Device Wireless Connectivity |
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393 | (6) |
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Mobile Device Email Configuration |
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399 | (2) |
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Mobile Device Synchronization and Backup |
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401 | (7) |
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Other Mobile Software Tools |
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408 | (2) |
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410 | (1) |
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410 | (5) |
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415 | (3) |
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418 | (15) |
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433 | (7) |
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440 | (7) |
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Mobile Device Travel and Storage |
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447 | (1) |
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Mobile Device Troubleshooting Overview |
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447 | (15) |
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462 | (3) |
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465 | (1) |
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466 | (2) |
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468 | (1) |
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Exercise 10.1 Identifying Laptop Parts |
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468 | (1) |
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Exercise 10.2 Identifying Common Laptop Keys |
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469 | (1) |
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Exercise 10.3 Identifying Cell Phone Parts |
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469 | (1) |
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470 | (1) |
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470 | (1) |
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471 | (1) |
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471 | (2) |
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Chapter 11 Computer Design and Troubleshooting Review |
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473 | (42) |
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474 | (1) |
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474 | (7) |
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Motherboard and Associated Component Design |
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481 | (1) |
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Power Supply and Case Design |
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481 | (2) |
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483 | (1) |
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483 | (1) |
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484 | (1) |
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485 | (1) |
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Step 1 Identify the Problem |
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486 | (1) |
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Step 2 Establish a Theory of Probable Cause (Question the Obvious) |
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487 | (8) |
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Step 3 Test the Theory to Determine the Cause |
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495 | (2) |
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Step 4 Establish a Plan of Action to Resolve the Problem and Implement the Solution |
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497 | (1) |
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Step 5 Verify Full System Functionality and, If Applicable, Implement Preventive Measures |
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497 | (1) |
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Step 6 Document the Findings, Actions, and Outcomes |
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497 | (1) |
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Sample Troubleshooting Flowcharts |
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498 | (4) |
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502 | (2) |
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504 | (1) |
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505 | (1) |
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506 | (1) |
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Exercise 11.1 Recommending Computer System Design |
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506 | (2) |
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Exercise 11.2 Understanding Design Components |
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508 | (1) |
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Exercise 11.3 Understanding Subsystem Design Components |
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509 | (2) |
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Exercise 11.4 Determining the Troubleshooting Theory Step |
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511 | (1) |
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511 | (1) |
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511 | (2) |
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513 | (1) |
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513 | (2) |
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Chapter 12 Internet Connectivity, Visualization, and Cloud Technologies |
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515 | (36) |
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Internet Connectivity Overview |
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516 | (1) |
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516 | (2) |
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518 | (1) |
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519 | (1) |
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520 | (2) |
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522 | (2) |
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524 | (1) |
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Mobile Connectivity Overview |
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525 | (3) |
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528 | (3) |
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|
531 | (2) |
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Introduction to Virtualization |
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533 | (1) |
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Desktop Virtualization Basics |
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534 | (3) |
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537 | (6) |
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543 | (2) |
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545 | (1) |
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546 | (1) |
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547 | (1) |
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Exercise 12.1 Exploring Internet Connectivity Options |
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547 | (1) |
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Exercise 12.2 Exploring the Interne! Options Window |
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548 | (1) |
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549 | (1) |
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549 | (1) |
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549 | (1) |
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550 | (1) |
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551 | (100) |
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552 | (7) |
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559 | (9) |
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568 | (1) |
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Protecting Your Network and Cable Investment |
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569 | (4) |
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573 | (2) |
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575 | (2) |
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577 | (1) |
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578 | (3) |
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Wireless Networks Overview |
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581 | (1) |
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Wireless Network Standards |
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582 | (1) |
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Wireless Network Components |
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|
583 | (2) |
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585 | (5) |
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590 | (4) |
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Wireless and Wired Client Device Configuration Overview |
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594 | (1) |
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Configuring an End Device: IP Addressing |
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594 | (7) |
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Adding a Computer to a Windows Domain |
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601 | (1) |
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Wireless NIC-Specific Settings |
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601 | (2) |
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603 | (1) |
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NIC Configuration When Using Virtualization |
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|
603 | (2) |
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Thin or Thick Client Installation Overview |
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|
605 | (2) |
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Wireless AP/Router Configuration |
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|
607 | (1) |
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WWAN Cellular Configuration |
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608 | (1) |
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609 | (2) |
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611 | (8) |
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Troubleshooting Cable and DSL Modems |
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|
619 | (1) |
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Networking Multifunction Devices |
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619 | (2) |
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621 | (1) |
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Embedded, SCADA, and Legacy Systems |
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622 | (1) |
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Software-Defined Networking |
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623 | (1) |
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624 | (1) |
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The TCP/IP Model in Action |
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|
625 | (2) |
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More Windows Network Settings |
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|
627 | (5) |
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Introduction to Shared Folders |
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632 | (3) |
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635 | (2) |
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637 | (2) |
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639 | (3) |
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|
642 | (1) |
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Exercise 13.1 Understanding Wireless AP Paper Configuration |
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|
642 | (1) |
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Exercise 13.2 Understanding T568B Color Sequence |
|
|
642 | (1) |
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Exercise 13.3 Recognizing Network Devices |
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643 | (1) |
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Exercise 13.4 Identifying Basic Wireless Network Parts |
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644 | (1) |
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Exercise 13.5 Creating a Wireless Network |
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644 | (1) |
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Exercise 13.6 Practicing with Network Numbers and Broadcast Addresses |
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645 | (1) |
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Exercise 13.7 Practicing with CIDR Notation |
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646 | (1) |
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Exercise 13.8 Determining the Default Gateway |
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646 | (2) |
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648 | (1) |
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648 | (1) |
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649 | (1) |
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|
649 | (2) |
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Chapter 14 Introduction to Operating Systems |
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|
651 | (46) |
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Operating Systems Overview |
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652 | (1) |
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User Interaction with Operating Systems |
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|
653 | (1) |
|
Overview of Popular Operating Systems |
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|
654 | (1) |
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32-Bit vs. 64-Bit Operating Systems |
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|
655 | (1) |
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Windows 10 and Windows 11 Versions |
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|
656 | (1) |
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Workstation Operating Systems |
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|
657 | (1) |
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Operating Systems for Mobile Devices |
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657 | (1) |
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End-of-Life (EOL) Concerns |
|
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658 | (1) |
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658 | (1) |
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|
659 | (1) |
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Corporate Operating System Needs |
|
|
660 | (1) |
|
Basic Windows Usage Overview |
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|
661 | (2) |
|
Windows 10 and Windows 11 Desktop Components |
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|
663 | (6) |
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|
669 | (1) |
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|
670 | (1) |
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Interactions Within a Window |
|
|
670 | (2) |
|
Managing Windows Files and Folders |
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|
672 | (6) |
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|
678 | (1) |
|
Attributes, Compression, and Encryption |
|
|
679 | (3) |
|
Introduction to Windows Control Panel Utilities |
|
|
682 | (3) |
|
Determining the Windows Version |
|
|
685 | (1) |
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|
686 | (1) |
|
Editing the Windows Registry |
|
|
687 | (1) |
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|
688 | (1) |
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|
688 | (1) |
|
Recovering the Windows OS |
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|
688 | (2) |
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690 | (1) |
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691 | (1) |
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692 | (1) |
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693 | (1) |
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693 | (1) |
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694 | (1) |
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694 | (1) |
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695 | (1) |
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695 | (1) |
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695 | (1) |
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696 | (1) |
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Chapter 15 Introduction to Scripting |
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697 | (66) |
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698 | (1) |
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699 | (1) |
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699 | (2) |
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Moving Around from a Command Prompt |
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701 | (4) |
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705 | (1) |
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Two Useful Commands: del and type |
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706 | (1) |
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706 | (2) |
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708 | (1) |
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708 | (1) |
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|
708 | (1) |
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Other Commands You Should Look Over |
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|
709 | (1) |
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|
710 | (24) |
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Introduction to Scripting |
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734 | (1) |
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735 | (1) |
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|
736 | (1) |
|
Mitigating Consequences of Scripting |
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|
737 | (1) |
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|
738 | (2) |
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|
740 | (1) |
|
Introduction to Script Programming |
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|
741 | (1) |
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|
741 | (2) |
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|
743 | (1) |
|
Examples of Using Variables |
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|
744 | (1) |
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|
745 | (1) |
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|
746 | (1) |
|
Decisions: The Selection Structure |
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|
746 | (4) |
|
Compound Conditions and Logical Operators |
|
|
750 | (1) |
|
Loops: The Repetition Structure |
|
|
751 | (2) |
|
A Brief Look at VBScript and PowerShell |
|
|
753 | (3) |
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|
756 | (1) |
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|
757 | (1) |
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|
758 | (1) |
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|
759 | (1) |
|
Exercise 15.1 Identifying command-line commands |
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|
759 | (1) |
|
Exercise 15.2 Scripting Concepts |
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760 | (1) |
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|
760 | (1) |
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|
760 | (1) |
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761 | (1) |
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|
761 | (2) |
|
Chapter 16 Advanced Windows |
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|
763 | (94) |
|
Advanced Windows Overview |
|
|
764 | (1) |
|
Preinstallation of Windows |
|
|
764 | (10) |
|
Installation/Upgrade of Windows |
|
|
774 | (1) |
|
Corporate Windows Deployment |
|
|
775 | (1) |
|
Verifying the Installation |
|
|
776 | (1) |
|
Troubleshooting a Windows Installation |
|
|
777 | (2) |
|
|
779 | (1) |
|
|
780 | (1) |
|
Backing Up the Windows Registry and Data |
|
|
781 | (2) |
|
Configuring Windows Overview |
|
|
783 | (1) |
|
|
784 | (1) |
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|
784 | (8) |
|
Installing/Removing Software |
|
|
792 | (4) |
|
Computer Management Console |
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|
796 | (1) |
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|
797 | (4) |
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|
801 | (6) |
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|
807 | (4) |
|
Managing Services and Applications |
|
|
811 | (1) |
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|
812 | (1) |
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|
813 | (1) |
|
Overview of the Windows Boot Process |
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|
814 | (1) |
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|
815 | (1) |
|
Windows Recovery Environment (WinRE) |
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|
816 | (3) |
|
|
819 | (1) |
|
System Configuration Utility |
|
|
820 | (4) |
|
|
824 | (2) |
|
Speeding Up the Windows Boot Process |
|
|
826 | (1) |
|
Troubleshooting the Windows Boot Process |
|
|
827 | (2) |
|
Black Screen/Video Issues |
|
|
829 | (2) |
|
Troubleshooting a Service That Does Not Start |
|
|
831 | (1) |
|
|
832 | (1) |
|
Troubleshooting Windows Network Settings |
|
|
833 | (2) |
|
Windows Reboots/System Instability |
|
|
835 | (1) |
|
|
835 | (1) |
|
Summary of Troubleshooting Steps |
|
|
836 | (1) |
|
|
836 | (2) |
|
Monitoring System Performance |
|
|
838 | (5) |
|
Supporting Windows Computers Remotely |
|
|
843 | (3) |
|
Preventive Maintenance for Your Operating System |
|
|
846 | (2) |
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|
848 | (2) |
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|
850 | (1) |
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|
851 | (1) |
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|
852 | (1) |
|
Exercise 16.1 Windows Tools |
|
|
852 | (1) |
|
Exercise 16.2 Task Manager Tabs |
|
|
853 | (1) |
|
Exercise 16.3 System Configuration Tabs |
|
|
854 | (1) |
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|
854 | (1) |
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|
854 | (1) |
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|
855 | (2) |
|
Chapter 17 macOS and Linux Operating Systems |
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|
857 | (42) |
|
|
858 | (1) |
|
Navigating the User Interface |
|
|
859 | (3) |
|
Basic System Usage, Updates, and Backups |
|
|
862 | (4) |
|
Management and Troubleshooting Tools |
|
|
866 | (3) |
|
|
869 | (9) |
|
|
878 | (1) |
|
Navigating the GNOME User Interface |
|
|
879 | (1) |
|
Basic System Usage, Updates, and Backups |
|
|
880 | (3) |
|
|
883 | (9) |
|
macOS and Linux Best Practices |
|
|
892 | (1) |
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|
893 | (1) |
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|
894 | (1) |
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|
895 | (1) |
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896 | (1) |
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|
896 | (1) |
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|
896 | (1) |
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|
897 | (1) |
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|
897 | (1) |
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|
897 | (1) |
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|
898 | (1) |
|
Chapter 18 Computer and Network Security |
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|
899 | (78) |
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|
900 | (1) |
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|
900 | (1) |
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|
901 | (7) |
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|
908 | (4) |
|
|
912 | (1) |
|
|
912 | (3) |
|
Security Threats and Vulnerabilities |
|
|
915 | (5) |
|
Protecting Access to Local and Network Resources |
|
|
920 | (8) |
|
|
928 | (6) |
|
|
934 | (1) |
|
Protecting the Operating System and Data |
|
|
935 | (7) |
|
|
942 | (13) |
|
Remote Access to Network Devices |
|
|
955 | (1) |
|
|
956 | (1) |
|
Wireless Network Security Overview |
|
|
957 | (7) |
|
Security Incident Response |
|
|
964 | (2) |
|
A Final Word About Security |
|
|
966 | (2) |
|
|
968 | (1) |
|
|
969 | (2) |
|
|
971 | (2) |
|
|
973 | (1) |
|
Exercise 18.1 Examining the Security Incident Response |
|
|
973 | (1) |
|
Exercise 18.2 Wireless Security |
|
|
974 | (1) |
|
Exercise 18.3 Data Security |
|
|
974 | (1) |
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|
975 | (1) |
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|
975 | (1) |
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|
976 | (1) |
|
|
976 | (1) |
|
Chapter 19 Operational Procedures |
|
|
977 | (44) |
|
Operational Procedures Overview |
|
|
978 | (8) |
|
Proper Power Handling and Adverse Power Conditions |
|
|
986 | (8) |
|
|
994 | (5) |
|
|
999 | (13) |
|
|
1012 | (2) |
|
|
1014 | (1) |
|
|
1015 | (2) |
|
|
1017 | (1) |
|
Exercise 19.1 Determining a Power Solution |
|
|
1017 | (1) |
|
Exercise 19.2 Determining the Type of Documentation Needed |
|
|
1018 | (1) |
|
|
1018 | (1) |
|
|
1018 | (1) |
|
|
1019 | (1) |
|
|
1020 | (1) |
|
Appendix A Subnetting Basics |
|
|
1021 | (4) |
|
|
1024 | (1) |
|
Exercise A.1 Subnet Practice Exercise |
|
|
1024 | (1) |
|
Appendix B Certification Exam Objectives (Online) |
|
|
Glossary |
|
1025 | (50) |
Index |
|
1075 | |