Cisco Networking Essentials

Learn Cisco Networking Quickly and Easily
This full–color guide gives networking newcomers a solid foundation in the fundamentals of Cisco technologies. Learn networking basics, then get quickly up to speed on how to configure Cisco routers and switches, manage the Cisco IOS, and much more. Whether you′re an aspiring networking professional or just brushing up on the basics, it′s the essential information you need to be successful in any computing environment.
Learn these Cisco networking essentials—and more:
Network basics—terms, components, architectures
The ins–and–outs of the OSI model and its layers
TCP/IP, protocols, and physical and logical topologies
Understanding classful and classless IP addressing
Cabling, network devices, and LAN operations
Managing the Cisco IOS effectively
How to configure routers and switches
Configuring static and dynamic routing
Full–color images of network configurations
Helpful illustrations to reinforce learning objectives
This striking Essentials book maximizes skill acquisition and knowledge retention with:
Chapter–opening learning topics
Step–by–step tutorials
Four–color screenshots and illustrations
Essentials and Beyond—summaries and additional suggested exercises
Chapter review questions

Spis treści:
Introduction xxi
Chapter 1 Networks 1
Describing Network Components  1
Defining the Benefits of Networks  2
Identifying the Requirements for a Network  5
Classifying Networks by Function 8
Understanding LANs  8
Understanding WANs 9
Defining Network Architectures  11
Understanding Peer–to–Peer Networks  11
Understanding Client–Server N etworks  14
The Essentials and Beyond 17
Chapter 2 The OSI Model 19
Using Reference Models  19
Understanding the Benefits of Reference 20
Exploring Reference Model Examples 21
Introducing the Layers of the OSI Model  22
Understanding the Application Layer  23
Understanding the Presentation Layer 23
Understanding the Session Layer  25
Understanding the Transport Layer  26
Understanding the Network Layer  29
Understanding the Data–Link Layer  30
Understanding the Physical Layer 32
Describing the OSI Encapsulation Process 32
Identifying the Process on the Source Device  33
Identifying the Process on the Destination Device  34
The Essentials and Beyond 35
Chapter 3 TCP/IP 37
Understanding the TCP/IP Model 38
Exploring the Four Layers 39
Comparing the OSI and TCP/IP Models  42
Describing the TCP/IP Encapsulation Process  44
Understanding Data and PDUs  44
Describing the Contents of Data 45
Describing the Contents of Segments 45
Describing the Contents of Packets  46
Describing the Contents of Frames 46
Understanding the Conversion to Bits  47
Describing the Functions at the Transport Layer 48
Understanding TCP  49
Understanding UDP  50
Describing the Functions at the Internet Layer  52
Defining Logical Addressing  52
Performing Routing 53
Accomplishing Packet Forwarding  53
Describing the Functions of ARP 53
Illustrating the ARP Broadcast  54
Describing the Logic of MAC–to–IP–Address Conversion 56
The Essentials and Beyond 58
Chapter 4 Protocols 63
Understanding the Function of Protocols 63
Defining Routed Protocols 64
Defining Routing Protocols 64
Exploring Application Layer Protocols  65
Describing FTP 65
Describing TFTP  67
Describing SMTP  67
Describing DNS  69
Describing SNMP 70
Exploring Transport Layer Protocols 72
Reviewing TCP 72
Reviewing UDP 76
Exploring Internet Layer Protocols  77
Describing IP  77
Describing ARP  79
Describing ICMP  80
Describing IGMP  82
Exploring Network Access Layer Protocols 83
Defining Network Access Layer Protocols on the LAN 84
Defining Network Access Layer Protocols on the WAN 85
The Essentials and Beyond 86
Chapter 5 Physical and Logical Topologies 89
Designing the Physical Topology 89
Implementing a Bus Topology 90
Implementing a Ring Topology 91
Implementing a Star Topology  92
Implementing a Mesh Topology  94
Implementing a Hybrid Topology  95
Implementing a Point–to–Point Topology  96
Implementing a Point–to–Multipoint Topology 98
Designing the Logical Topology 99
Understanding the Token Ring Topology  99
Understanding the FDDI Ring Topology 100
Understanding the Star Topology  101
The Essentials and Beyond 102
Chapter 6 Numbering Systems 105
Exploring Binary Numbering 105
Understanding the Base–2 Numbering System 106
Understanding the Relationship between Binary and Computers 108
Exploring Hexadecimal Numbering  110
Understanding the Base–16 Numbering System 110
Identifying MAC Addresses  113
Applying Conversions 114
Decimal–to–Binary Conversion  114
Hex–to–Decimal Conversion 117
Binary–to–Hex Conversion 119
The Essentials and Beyond 121
Chapter 7 Classful IP Addressing 125
Describing the Function of IP Addresses 125
Identification  126
Segmentation 127
Identifying IP Address Types  128
Defining IP Address Classes 129
Identifying Network and Host Addresses  130
Describing Private IP Addresses and NAT 134
Utilizing Diagnostic Tools 135
Executing the ipconfi g Command  137
Executing the ping Command 137
Executing the arp Command  138
Executing the traceroute Command 139
Understanding DHCP  139
Operations  139
Cisco DHCP  141
Introducing IPv6 142
IPv6 Address Format  142
IPv6 Address Types 143
Special IPv6 Addresses 144
Essentials and Beyond  144
Chapter 8 Classless IP Addressing 147
Understanding the Limitations of Classful Networking 147
Exhaustion of the Class B Network Address Space 148
Unmanageable Routing Tables  148
Exhaustion of the 32–Bit IPv4 Address Space 149
Understanding the Benefits of Subnetting  149
Identifying Sources of Network Congestion 150
Deploying Subnetting as a Segmentation Tool 151
Describing the Components of CIDR 152
Introducing Classless Subnetting 152
Understanding VLSM 161
Summarization  166
The Essentials and Beyond 166
Chapter 9 Media 169
Selecting the Proper Media Type  169
Bandwidth  170
Security  170
Convenience 174
Cost 174
Understanding Cabling 175
Describing Cable Behavior and Characteristics  175
Describing Physical Implementations 176
Choosing the Correct Wiring Standard  180
Describing Wireless Standards 184
Identifying Standards Bodies  185
Understanding 802.11 Amendments 185
Understanding Wireless LAN Components and Terminology  187
Describing CSMA/CA Operation 189
The Essentials and Beyond 190
Chapter 10 Network Devices 193
Describing Device Functions 193
Understanding Repeaters 194
Understanding Hubs  194
Understanding Bridges  195
Understanding Switches 197
Understanding Routers  201
Understanding Wireless Access Points and Wireless Routers  205
Understanding Device Placement Principles 207
Defining Broadcast Domains 207
Defining Collision Domains 208
Understand ing the Cisco Three–Layer Model  211
Essentials and Beyond  212
Chapter 11 LAN Operations 215
Understanding the Routing Process  215
Describing Routing Tables 216
Understanding Population Methods  219
Understanding Administrative Distance 221
Using Routing Protocols  223
Describing the Switching Process 232
Reviewing MAC and IP Addresses  233
Reviewing Contention Methods 234
Describing MAC Address Tables 235
Understanding Frame Forwarding  236
Describing End–to–End Communications 237
Understanding the Local LAN Process 237
Understanding the Remote Communication Process  238
Essentials and Beyond  239
Chapter 12 Managing the Cisco IOS 243
Describing Components 243
Defining the Contents of RAM  244
Defining the Contents of NVRAM 245
Defining the Contents of Flash 245
Defining the Contents of ROM  246
Describing IOS Navigation 248
Connecting to the Device  248
Accessing User, Privileged, and Global Configuration Modes  252
Understanding and Managing the Boot Process 256
Understanding the Boot Process 257
Managing the IOS  260
Understanding Configuration Files 261
Managing the Configuration Register 263
The Essentials and Beyond 266
Chapter 13 Configuring Routers 271
Cabling the Router  271
Cabling Router to Router 274
Cabling Router to Switch 276
Cabling PC to Router 277
Cabling Router to CSU/DSU  279
Creating a Console Session  280
Connecting with the Console Cable  280
Connecting through Telnet 281
Handling Initial Setup 282
Configuring Passwords 282
Interpreting Prompts 282
Configuring Privileged (Enable) Passwords 283
Configuring Enable Secret Passwords  284
Configuring Line Passwords  284
Configuring Interfaces  286
Accessing Interface Mode  286
Assigning an IP Address 287
Enabling the Interface 288
Verifying the Interface 288
Enabling DHCP  290
Configuring WAN Interfaces 292
Saving Configuration Changes 294
The Essentials and Beyond 295
Chapter 14 Conf iguring Switches 299
Cabling the Switch  299
Cabling Switch to Switch 300
Cabling Router to Switch 301
Cabling Hosts to Switch 302
Creating a Session with the Switch 302
Creating a Session with the Console Cable 303
Creating a Session through Telnet  304
Configuring Passwords 305
Configuring Privileged (Enable) Passwords 305
Configuring Enable Secret Passwords  306
Configuring Line Passwords  306
Configuring Interfaces  306
Accessing Switchports and Using Switchport Mode 306
Enabling the Port  307
Verifying the Port 307
Understanding Advanced Switch Functions  308
Understanding VLANs  308
Understanding Trunk Ports 310
Describing STP 311
The Essentials and Beyond 315
Chapter 15 Conf iguring Static Routing 317
Populating the Routing Table 318
Using the ip route Command  318
Verifying the Route Table 320
Configuring Inter–VLAN Routing 321
Creating a Trunk Link with Encapsulation  322
Creating and Configuring Subinterfaces  323
The Essentials and Beyond 325
Chapter 16 Configuring Dynamic Routing 331
Understanding Routing Protocols  331
Exploring RIP 333
Exploring EIGRP  335
Exploring OSPF  336
Configuring Routing Protocols  336
Enabling a Routing Protocol and Accessing Router Mode 337
Defining the Interfaces on Which the Protocol Is Operational 338
Verifying the Routing Table 340
Appendix Answers to Review Questions 349
Index 359

Nota biograficzna:

Troy McMillan holds more than 30 IT certifications, including CCNA and CCNP. He is a product developer and technical editor for Kaplan IT, Inc. He is also a full–time trainer, teaching classes on Cisco, Microsoft, CompTIA, and wireless.

Okładka tylna:

Learn Cisco Networking Quickly and Easily
This full–color guide gives networking newcomers a solid foundation in the fundamentals of Cisco technologies. Learn networking basics, then get quickly up to speed on how to configure Cisco routers and switches, manage the Cisco IOS, and much more. Whether you′re an aspiring networking professional or just brushing up on the basics, it′s the essential information you need to be successful in any computing environment.
Learn these Cisco networking essentials—and more:
Network basics—terms, components, architectures
The ins–and–outs of the OSI model and its layers
TCP/IP, protocols, and physical and logical topologies
Understanding classful and classless IP addressing
Cabling, network devices, and LAN operations
Managing the Cisco IOS effectively
How to configure routers and switches
Configuring static and dynamic routing
Full–color images of network configurations
Helpful illustrations to reinforce learning objectives
This striking Essentials book maximizes skill acquisition and knowledge retention with:
Chapter–opening learning topics
Step–by–step tutorials
Four–color screenshots and illustrations
Essentials and Beyond—summaries and additional suggested exercises
Chapter review questions