Introduction | p. 1 |
Self-Assessment | p. 9 |
Networking Fundamentals | p. 17 |
Introduction | p. 18 |
Components and Terms | p. 18 |
Topologies | p. 18 |
LAN Technologies | p. 19 |
Ethernet | p. 19 |
WAN Technologies | p. 21 |
Dedicated Leased Line Connections | p. 22 |
Circuit-Switched Connections | p. 22 |
Packet-Switched Connections | p. 22 |
Cell-Switched Connections | p. 23 |
Wireless Networks | p. 23 |
Other Network Technologies | p. 23 |
Exam Prep Questions | p. 25 |
Answers to Exam Prep Questions | p. 27 |
Network Models | p. 29 |
Introduction | p. 30 |
Cisco Hierarchical Model | p. 30 |
Access Layer | p. 31 |
Distribution Layer | p. 31 |
Core Layer | p. 31 |
Advantages of the Three-Layer Model | p. 32 |
OSI Model | p. 32 |
The Application Layer | p. 33 |
The Presentation Layer | p. 34 |
The Session Layer | p. 34 |
The Transport Layer | p. 35 |
The Network Layer | p. 41 |
The Data Link Layer | p. 43 |
The Physical Layer | p. 44 |
TCP/IP Model | p. 46 |
Exam Prep Questions | p. 48 |
Answers to Exam Prep Questions | p. 50 |
Concepts in IP Addressing | p. 53 |
Introduction | p. 54 |
Binary | p. 54 |
Hexadecimal | p. 56 |
Conversion Between Binary, Hex, and Decimal | p. 57 |
Decimal to Hexadecimal Conversions | p. 58 |
Hexadecimal to Decimal Conversions | p. 58 |
IP Address Components | p. 59 |
Address Class | p. 59 |
Default Subnet Mask | p. 59 |
The Network Field | p. 60 |
The Host Field | p. 61 |
Non-Default Masks | p. 61 |
The Subnet Field | p. 61 |
Subnetting | p. 62 |
Address Class and Default Mask | p. 62 |
The Increment | p. 63 |
Number of Hosts | p. 66 |
The Broadcast ID | p. 67 |
Number of Subnets | p. 69 |
Working with Subnetting Questions | p. 71 |
The Subnetting Chart | p. 72 |
Exam Prep Questions | p. 75 |
Answers to Exam Prep Questions | p. 80 |
Working with Cisco Equipment | p. 83 |
Introduction | p. 84 |
Products | p. 84 |
External Connections | p. 84 |
Console | p. 84 |
Aux Port | p. 86 |
Ethernet Port | p. 86 |
Serial Port | p. 87 |
Other Connections | p. 88 |
Connecting and Configuring Cisco Devices | p. 88 |
Device Memory Locations | p. 89 |
IOS Startup Process | p. 89 |
Setup Mode | p. 91 |
Configuration Register | p. 91 |
Password Recovery | p. 91 |
Command Line Modes | p. 93 |
Command Shortcuts | p. 94 |
Context-Sensitive Help | p. 95 |
Basic Switch Configuration | p. 96 |
Basic Router Configuration | p. 97 |
Securing Routers and Switches | p. 98 |
Configuring SSH Access to Your Router | p. 100 |
Exam Prep Questions | p. 102 |
Answers to Exam Prep Questions | p. 104 |
Managing Your Router | p. 107 |
Introduction | p. 108 |
IOS Naming Conventions | p. 108 |
Back Up and Restore IOS | p. 110 |
Backup and Restore Configurations | p. 111 |
Troubleshooting and Remote Management | p. 112 |
Telnet | p. 112 |
Secure Shell (SSH) | p. 114 |
CDP | p. 115 |
ICMP | p. 116 |
Exam Prep Questions | p. 118 |
Answers to Exam Prep Questions | p. 120 |
Basic Catalyst Switch Operations and Configuration | p. 123 |
Introduction | p. 124 |
Bridging and Switching | p. 124 |
Functions of Bridges and Switches | p. 124 |
The Differences Between Switches and Bridges | p. 128 |
Switching Modes | p. 130 |
STP | p. 133 |
Exam Prep Questions | p. 135 |
Answers to Exam Prep Questions | p. 137 |
Introduction to Wide-Area Networks | p. 139 |
Introduction | p. 140 |
Encapsulation Types | p. 140 |
Cisco HDLC | p. 141 |
PPP | p. 142 |
Components | p. 142 |
Configuration | p. 144 |
Verification and Troubleshooting | p. 146 |
Frame Relay | p. 146 |
Concepts and Terminology | p. 146 |
The Split Horizon Problem | p. 150 |
Configuration | p. 151 |
Verification and Troubleshooting | p. 154 |
Network Address Translation | p. 155 |
NAT Terminology | p. 156 |
Applications, Advantages, and Disadvantages of NAT | p. 157 |
Static NAT | p. 159 |
Dynamic NAT | p. 161 |
PAT | p. 162 |
Exam Prep Questions | p. 166 |
Answers to Exam Prep Questions | p. 167 |
Wireless LANs | p. 169 |
Introduction | p. 170 |
WLAN Stands | p. 170 |
Unlicensed Radio Bands | p. 170 |
802.11 | p. 171 |
802.11a | p. 172 |
802.11b | p. 173 |
802.11g | p. 174 |
802.11n | p. 174 |
WLAN Operational Modes | p. 175 |
Ad Hoc Mode | p. 175 |
Infrastructure Mode | p. 175 |
Basic Service Set and Extended Service Set | p. 176 |
BSS | p. 176 |
ESS | p. 176 |
WLAN Security | p. 177 |
WLAN Security Threats | p. 177 |
WLAN Security Methods | p. 178 |
WLAN Security Standards | p. 179 |
Basic WLAN Configuration Steps | p. 181 |
Exam Prep Questions | p. 183 |
Answers to Exam Prep Questions | p. 185 |
Basic Network Security | p. 187 |
Introduction | p. 188 |
The Need for Security | p. 188 |
Mitigation Steps | p. 189 |
Reconnaissance Attacks | p. 190 |
Access Attacks | p. 191 |
Denial of Service Attacks | p. 192 |
Common Security Appliances | p. 193 |
Best Practices | p. 195 |
Exam Prep Questions | p. 196 |
Answers to Exam Prep Questions | p. 198 |
Basic Routing | p. 201 |
Introduction | p. 202 |
Static Routes | p. 202 |
Default Routes | p. 203 |
Dynamic Routes | p. 204 |
RIP | p. 211 |
Characteristics of RIP | p. 211 |
Implementing RIP | p. 212 |
Verifying and Troubleshooting RIP | p. 214 |
Exam Prep Questions | p. 218 |
Answers to Exam Prep Questions | p. 223 |
Small-Office Internet Connection | p. 225 |
Introduction | p. 226 |
Basic Configuration Using the Cisco Router and Security Device Manager (SDM) | p. 226 |
Setting Hostname, Domain, and Login Credentials | p. 230 |
Configuring IP Addressing Using SDM Express | p. 230 |
Configuring the DHCP Server Using SDM Express | p. 232 |
Setting Up the Wan Interface in SDM Express | p. 233 |
Configuring NAT Using SDM Express | p. 234 |
Firewall Option | p. 235 |
Security Configuration Checklist | p. 236 |
SDM Express Configuration Summary | p. 237 |
Configuring a Default Route in SDM | p. 242 |
Testing Connectivity Using the SDM Interface | p. 243 |
Basic Switch Configuration Using the CLI | p. 246 |
Securing the Switch | p. 246 |
Configuring a Management IP and Default Gateway | p. 247 |
Exam Prep Questions | p. 250 |
Answers to Exam Prep Questions | p. 252 |
Practice Exam #1 | p. 255 |
Practice Exam #1 Answer Key | p. 275 |
Practice Exam #2 | p. 289 |
Practice Exam #2 Answer Key | p. 307 |
What's on the CD-ROM | p. 319 |
Need to Know More? | p. 323 |
Glossary | p. 327 |
Index | p. 343 |
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