Introduction |
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xxiii | |
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Chapter 1 Network Technologies, Topologies, and Types |
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1 | (40) |
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Wired and Wireless Network Topologies |
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2 | (12) |
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2 | (1) |
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3 | (2) |
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Star Topology (Hub-and-Spoke) |
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5 | (1) |
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6 | (1) |
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7 | (1) |
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Bringing Wireless to a Topology |
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8 | (1) |
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Infrastructure Wireless Topology |
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8 | (1) |
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9 | (1) |
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10 | (4) |
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Network Types and Characteristics |
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14 | (8) |
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14 | (1) |
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15 | (1) |
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15 | (1) |
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16 | (1) |
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16 | (1) |
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17 | (1) |
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17 | (1) |
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17 | (1) |
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18 | (1) |
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18 | (1) |
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19 | (3) |
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Network Links and Concepts |
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22 | (17) |
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23 | (2) |
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25 | (1) |
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The Public Switched Telephone Network |
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26 | (1) |
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27 | (1) |
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28 | (1) |
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29 | (2) |
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Satellite Internet Access |
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31 | (1) |
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32 | (1) |
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Demarc, Demarc Extension, and Smart Jacks |
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32 | (2) |
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34 | (1) |
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Verify Wiring Installation and Termination |
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34 | (1) |
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34 | (5) |
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39 | (2) |
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Chapter 2 Models, Ports, Protocols, and Network Services |
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41 | (52) |
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42 | (11) |
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The OSI Seven-Layer Model |
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42 | (1) |
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43 | (1) |
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Data Link Layer (Layer 2) |
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44 | (1) |
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44 | (1) |
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Transport Layer (Layer 4) |
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45 | (1) |
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46 | (1) |
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Presentation Layer (Layer 6) |
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46 | (1) |
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Application Layer (Layer 7) |
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47 | (1) |
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47 | (1) |
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Comparing OSI to the Four-Layer TCP/IP Model |
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48 | (1) |
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Identifying the OSI Layers at Which Various Network Components Operate |
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49 | (1) |
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Data Encapsulation/Decapsulation and OSI |
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49 | (4) |
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53 | (25) |
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Connection-Oriented Protocols Versus Connectionless Protocols |
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54 | (1) |
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54 | (1) |
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Transmission Control Protocol |
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55 | (1) |
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56 | (1) |
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56 | (1) |
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Internet Control Message Protocol |
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57 | (1) |
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57 | (1) |
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Generic Routing Encapsulation |
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58 | (1) |
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58 | (2) |
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60 | (1) |
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Secure File Transfer Protocol |
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61 | (1) |
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61 | (1) |
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Simple Mail Transfer Protocol |
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62 | (1) |
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62 | (1) |
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Dynamic Host Configuration Protocol (DHCP) |
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62 | (1) |
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Trivial File Transfer Protocol |
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63 | (1) |
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Hypertext Transfer Protocol |
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64 | (1) |
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Network Time Protocol (NTP) |
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64 | (1) |
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Post Office Protocol Version 3/Internet Message Access Protocol Version 4 |
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65 | (1) |
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Simple Network Management Protocol |
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66 | (1) |
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66 | (1) |
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67 | (1) |
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67 | (1) |
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Management Information Bases |
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68 | (1) |
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69 | (1) |
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69 | (1) |
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Lightweight Directory Access Protocol |
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69 | (1) |
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Hypertext Transfer Protocol Secure |
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70 | (1) |
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70 | (1) |
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70 | (1) |
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71 | (1) |
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71 | (1) |
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71 | (1) |
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71 | (1) |
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71 | (1) |
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72 | (1) |
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Session Initiation Protocol |
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72 | (1) |
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Understanding Port Functions |
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73 | (5) |
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78 | (14) |
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Domain Name Service (DNS) |
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78 | (3) |
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81 | (2) |
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83 | (1) |
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83 | (2) |
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DNS in a Practical Implementation |
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85 | (1) |
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Dynamic Host Configuration Protocol |
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86 | (2) |
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88 | (1) |
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89 | (1) |
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DHCP Relays and IP Helpers |
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89 | (1) |
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89 | (3) |
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92 | (1) |
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Chapter 3 Addressing, Routing, and Switching |
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93 | (58) |
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94 | (26) |
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95 | (1) |
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95 | (2) |
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97 | (1) |
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97 | (1) |
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Identifying the Differences Between IPv4 Public and Private Networks |
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98 | (1) |
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99 | (1) |
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Classless Interdomain Routing |
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100 | (1) |
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100 | (2) |
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102 | (1) |
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102 | (1) |
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102 | (1) |
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102 | (1) |
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102 | (1) |
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103 | (1) |
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Where Have All the IPv4 Addresses Gone? |
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103 | (1) |
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Identifying IPv6 Addresses |
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103 | (2) |
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105 | (1) |
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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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Comparing IPv4 and IPv6 Addressing |
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107 | (1) |
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108 | (1) |
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108 | (1) |
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108 | (3) |
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111 | (1) |
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Automatic Private IP Addressing |
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111 | (1) |
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Identifying MAC Addresses |
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112 | (2) |
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114 | (1) |
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114 | (1) |
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115 | (1) |
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116 | (1) |
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116 | (4) |
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Managing Routing and Switching |
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120 | (30) |
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120 | (1) |
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121 | (1) |
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122 | (1) |
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123 | (1) |
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123 | (1) |
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123 | (1) |
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124 | (1) |
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Comparing Switching Methods |
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125 | (1) |
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126 | (1) |
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126 | (3) |
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129 | (1) |
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130 | (1) |
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130 | (3) |
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133 | (1) |
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Virtual Local-Area Networks |
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133 | (2) |
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135 | (2) |
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137 | (1) |
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The Spanning Tree Protocol |
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138 | (2) |
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Interface Configuration and Switch Management |
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140 | (2) |
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142 | (1) |
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142 | (1) |
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142 | (1) |
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143 | (1) |
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Power over Ethernet (PoE and PoE+) |
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143 | (1) |
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144 | (1) |
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144 | (1) |
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144 | (1) |
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145 | (1) |
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146 | (1) |
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146 | (1) |
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147 | (3) |
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150 | (1) |
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Chapter 4 Network Implementations |
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151 | (32) |
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Common Networking Devices |
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152 | (20) |
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153 | (1) |
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154 | (1) |
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155 | (2) |
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157 | (1) |
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158 | (1) |
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159 | (1) |
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160 | (1) |
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161 | (1) |
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161 | (1) |
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162 | (1) |
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163 | (1) |
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164 | (1) |
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165 | (1) |
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165 | (1) |
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165 | (1) |
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166 | (2) |
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VPN Concentrators and Headends |
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168 | (1) |
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168 | (4) |
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172 | (9) |
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Three-Tiered Architecture |
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172 | (1) |
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173 | (1) |
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Distribution/Aggregation Layer |
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173 | (1) |
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174 | (1) |
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Software-Defined Networking |
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174 | (1) |
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174 | (1) |
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175 | (1) |
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175 | (1) |
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175 | (1) |
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175 | (1) |
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176 | (1) |
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Datacenter Location Types |
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176 | (1) |
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177 | (1) |
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178 | (1) |
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178 | (1) |
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179 | (2) |
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181 | (2) |
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Chapter 5 Cabling Solutions and Issues |
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183 | (52) |
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General Media Considerations |
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184 | (33) |
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Broadband Versus Baseband Transmissions |
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185 | (1) |
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Simplex, Half-Duplex, and Full-Duplex Modes |
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185 | (1) |
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186 | (1) |
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186 | (1) |
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Twisted-Pair Cabling (Copper) |
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187 | (3) |
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190 | (1) |
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191 | (1) |
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192 | (2) |
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194 | (1) |
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Types of Media Connectors |
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194 | (1) |
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194 | (1) |
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195 | (1) |
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196 | (1) |
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F-Type Connectors and RG-59 and RG-6 Cables |
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197 | (1) |
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197 | (2) |
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199 | (1) |
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Media Couplers/Converters |
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200 | (1) |
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TIA/EIA 568A and 568B Wiring Standards |
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200 | (1) |
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Straight-Through Versus Crossover Cables |
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201 | (2) |
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Rollover and Loopback Cables |
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203 | (1) |
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Components of Wiring Distribution |
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204 | (1) |
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204 | (1) |
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205 | (1) |
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206 | (1) |
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207 | (1) |
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Fiber Distribution Panels |
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208 | (1) |
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66 and 110 Blocks (T568A, T568B) |
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208 | (1) |
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MDF and IDF Wiring Closets |
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209 | (1) |
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Ethernet Copper and Fiber Standards |
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210 | (1) |
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210 | (1) |
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211 | (1) |
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212 | (1) |
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212 | (1) |
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213 | (1) |
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1000BASE-LX and 1000BASE-SX |
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213 | (1) |
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10GBASE-LR and 10GBASE-SR |
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214 | (1) |
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214 | (3) |
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Troubleshooting Common Cable Connectivity Issues |
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217 | (1) |
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Limitations, Considerations, and Issues |
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218 | (8) |
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Throughput, Speed, and Distance |
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218 | (2) |
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Cabling Specifications/Limitations |
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220 | (1) |
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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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223 | (1) |
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223 | (1) |
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224 | (1) |
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224 | (1) |
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224 | (1) |
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225 | (1) |
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225 | (1) |
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226 | (8) |
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Cable Crimpers, Strippers, and Snips/Cutters |
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226 | (1) |
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227 | (1) |
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228 | (1) |
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228 | (1) |
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229 | (1) |
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230 | (1) |
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230 | (1) |
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231 | (1) |
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231 | (1) |
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231 | (1) |
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231 | (1) |
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232 | (2) |
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234 | (1) |
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Chapter 6 Wireless Solutions and Issues |
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235 | (34) |
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Understanding Wireless Basics |
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236 | (21) |
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Wireless Channels and Frequencies |
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236 | (5) |
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Cellular Technology Access |
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241 | (1) |
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Speed, Distance, and Bandwidth |
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241 | (1) |
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242 | (1) |
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MIMO/MU-MIMO/Directional/Omnidirectional |
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243 | (1) |
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244 | (1) |
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244 | (2) |
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Establishing Communications Between Wireless Devices |
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246 | (2) |
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Configuring the Wireless Connection |
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248 | (9) |
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Troubleshooting Wireless Issues |
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257 | (10) |
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262 | (1) |
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Factors Affecting Wireless Signals |
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262 | (1) |
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262 | (1) |
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Reflection, Refraction, and Absorption |
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263 | (1) |
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Troubleshooting AP Coverage |
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264 | (3) |
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267 | (2) |
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Chapter 7 Cloud Computing Concepts and Options |
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269 | (14) |
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270 | (11) |
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271 | (1) |
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271 | (1) |
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272 | (1) |
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Infrastructure as a Service |
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273 | (1) |
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274 | (1) |
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275 | (1) |
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275 | (1) |
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275 | (1) |
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Hybrid and Community Clouds |
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276 | (1) |
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276 | (1) |
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277 | (1) |
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278 | (1) |
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278 | (1) |
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278 | (1) |
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278 | (1) |
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The Relationship Between Resources |
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279 | (2) |
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281 | (2) |
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Chapter 8 Network Operations |
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283 | (60) |
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Organizational Documents and Policies |
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284 | (24) |
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Wiring and Port Locations |
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287 | (2) |
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Troubleshooting Using Wiring Schematics |
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289 | (1) |
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Physical and Logical Network Diagrams |
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290 | (3) |
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293 | (2) |
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Policies, Procedures, Configurations, and Regulations |
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295 | (1) |
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295 | (3) |
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Password-Related Policies |
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298 | (3) |
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301 | (1) |
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Change Management Documentation |
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302 | (1) |
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Configuration Documentation |
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303 | (1) |
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303 | (1) |
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304 | (4) |
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High Availability and Disaster Recovery |
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308 | (15) |
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309 | (1) |
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309 | (1) |
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310 | (1) |
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310 | (2) |
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312 | (1) |
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312 | (1) |
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Using Uninterruptible Power Supplies |
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313 | (1) |
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313 | (1) |
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313 | (1) |
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314 | (1) |
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Cold, Warm, Hot, and Cloud Sites |
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315 | (1) |
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High Availability and Recovery Concepts |
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316 | (2) |
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Active-Active Versus Active-Passive |
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318 | (5) |
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Monitoring Network Performance |
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323 | (19) |
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Common Performance Metrics |
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324 | (4) |
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328 | (1) |
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Management Information Base (MIB) |
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329 | (1) |
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Network Performance, Load, and Stress Testing |
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329 | (1) |
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330 | (1) |
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Load Tests and Send/Receive Traffic |
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330 | (1) |
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331 | (1) |
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331 | (1) |
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332 | (1) |
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332 | (2) |
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334 | (1) |
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334 | (1) |
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335 | (1) |
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335 | (1) |
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336 | (3) |
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339 | (3) |
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342 | (1) |
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Chapter 9 Network Security |
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343 | (60) |
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344 | (21) |
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346 | (1) |
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346 | (1) |
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Discretionary Access Control |
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346 | (1) |
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Rule-Based Access Control |
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347 | (1) |
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Role-Based Access Control |
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348 | (1) |
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349 | (1) |
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349 | (1) |
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349 | (2) |
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351 | (1) |
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351 | (1) |
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352 | (1) |
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353 | (2) |
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355 | (1) |
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Lightweight Directory Access Protocol |
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356 | (1) |
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356 | (1) |
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357 | (1) |
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Multifactor Authentication Factors |
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357 | (1) |
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Additional Access Control Methods |
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358 | (1) |
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358 | (1) |
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Extensible Authentication Protocol (EAP) |
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358 | (1) |
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Network Access Control (NAC) |
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359 | (1) |
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360 | (1) |
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361 | (1) |
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361 | (1) |
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Security Information and Event Management |
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362 | (3) |
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Common Networking Attacks |
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365 | (12) |
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Denial-of-Service and Distributed Denial-of-Service Attacks |
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365 | (1) |
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366 | (2) |
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368 | (1) |
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368 | (1) |
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368 | (1) |
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369 | (1) |
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Rogue Access Points and Evil Twins |
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369 | (1) |
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Advertising Wireless Weaknesses |
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369 | (1) |
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369 | (1) |
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370 | (1) |
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370 | (1) |
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370 | (1) |
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370 | (1) |
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370 | (1) |
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371 | (1) |
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371 | (1) |
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371 | (1) |
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372 | (1) |
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Vulnerabilities and Prevention |
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372 | (5) |
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Network Hardening and Physical Security |
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377 | (15) |
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379 | (1) |
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Implementing Physical Security |
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379 | (1) |
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380 | (1) |
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Swipe Card and PIN Access |
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381 | (1) |
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381 | (1) |
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Two-Factor and Multifactor Authentication |
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382 | (1) |
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Secured Versus Unsecured Protocols |
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382 | (2) |
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384 | (3) |
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387 | (1) |
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388 | (1) |
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Antenna Placement and Power Levels |
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388 | (1) |
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388 | (1) |
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388 | (1) |
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389 | (1) |
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390 | (1) |
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IoT Access Considerations |
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390 | (2) |
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392 | (10) |
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394 | (1) |
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394 | (1) |
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Components of the VPN Connection |
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395 | (1) |
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396 | (1) |
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396 | (1) |
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397 | (1) |
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398 | (1) |
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Site-to-Site and Client-to-Site |
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399 | (1) |
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399 | (1) |
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400 | (1) |
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Authentication and Authorization Considerations |
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400 | (1) |
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400 | (2) |
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402 | (1) |
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Chapter 10 Network Troubleshooting |
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403 | (58) |
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Troubleshooting Steps and Procedures |
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404 | (10) |
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405 | (1) |
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406 | (1) |
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Determine Whether Anything Has Changed |
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406 | (1) |
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Duplicate the Problem if Possible |
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|
407 | (1) |
|
Approach Multiple Problems Individually |
|
|
407 | (1) |
|
Establish a Theory of Probable Cause |
|
|
407 | (1) |
|
Test the Theory to Determine the Cause |
|
|
408 | (1) |
|
Establish a Plan of Action |
|
|
408 | (1) |
|
Implement the Solution or Escalate |
|
|
409 | (1) |
|
Determine Whether Escalation Is Necessary |
|
|
409 | (1) |
|
Verify Full System Functionality |
|
|
410 | (1) |
|
Document Findings, Actions, Outcomes, and Lessons |
|
|
411 | (3) |
|
Software Troubleshooting Tools |
|
|
414 | (34) |
|
|
415 | (1) |
|
|
415 | (1) |
|
|
416 | (1) |
|
|
416 | (2) |
|
|
418 | (1) |
|
|
419 | (1) |
|
|
419 | (1) |
|
|
419 | (1) |
|
|
419 | (1) |
|
|
420 | (1) |
|
The Trace Route Utility (tracert/traceroute) |
|
|
421 | (4) |
|
|
425 | (1) |
|
The Destination Host Unreachable Message |
|
|
426 | (1) |
|
The Request Timed Out Message |
|
|
426 | (1) |
|
|
427 | (1) |
|
|
428 | (1) |
|
Troubleshooting with ping |
|
|
428 | (2) |
|
|
430 | (1) |
|
|
430 | (1) |
|
|
431 | (1) |
|
|
432 | (2) |
|
|
434 | (1) |
|
|
434 | (1) |
|
|
435 | (1) |
|
|
436 | (1) |
|
|
437 | (1) |
|
|
437 | (3) |
|
|
440 | (1) |
|
|
441 | (1) |
|
|
442 | (1) |
|
|
443 | (1) |
|
|
443 | (2) |
|
|
445 | (1) |
|
Basic Network Platform Commands |
|
|
445 | (3) |
|
Troubleshooting General Networking Issues |
|
|
448 | (11) |
|
|
449 | (1) |
|
Common Problems to Be Aware Of |
|
|
449 | (1) |
|
|
450 | (1) |
|
|
450 | (1) |
|
|
450 | (1) |
|
|
450 | (1) |
|
|
450 | (1) |
|
|
451 | (1) |
|
|
451 | (1) |
|
|
451 | (1) |
|
|
451 | (1) |
|
|
451 | (1) |
|
|
452 | (1) |
|
|
452 | (1) |
|
Duplicate or Incorrect IP Address |
|
|
452 | (1) |
|
|
453 | (1) |
|
|
453 | (1) |
|
|
454 | (1) |
|
|
454 | (1) |
|
NTP Issues/Incorrect Time |
|
|
454 | (1) |
|
|
454 | (1) |
|
Blocked Ports, Services, or Addresses |
|
|
454 | (1) |
|
Incorrect Firewall Settings |
|
|
455 | (1) |
|
|
455 | (1) |
|
|
455 | (1) |
|
|
455 | (1) |
|
|
456 | (1) |
|
|
456 | (1) |
|
Network Performance Issues |
|
|
457 | (2) |
|
|
459 | (2) |
Glossary |
|
461 | (50) |
Index |
|
511 | |