Networking for Home and Small Businesses, CCNA Discovery Learning Guide

購買商店

Networking for Home and Small Businesses, CCNA Discovery Learning Guide

$299.00

馬上購買

內容描述

Description

Networking for Home and Small Businesses, CCNA
Discovery Learning Guide is the official supplemental textbook for the
Networking for Home and Small Businesses course in the Cisco® Networking
Academy® CCNA® Discovery curriculum version 4. The course, the first of four
in the new curriculum, teaches networking concepts by applying them to a type
of network you may encounter in a home or small office.
 
The Learning Guide, written and edited by
instructors, is designed as a portable desk reference to use anytime, anywhere
to reinforce the material from the course and organize your time. In addition,
the book includes expanded coverage of CCENT™/CCNA exam topics.
 
The book’s features help you focus on important
concepts to succeed in this course:

Chapter Objectives–Review core concepts by answering the focus questions
listed at the beginning of each chapter.
Key Terms–Refer to the lists of networking vocabulary introduced and
highlighted in context in each chapter. The Glossary defines each key term.
Summary of Activities and Labs–Maximize your study time with this
complete list of all associated exercises at the end of each chapter.
Check Your Understanding–Evaluate your readiness with the end-of-chapter
questions that match the style of questions you see in the online course
quizzes. The answer key explains each answer.
Challenge Questions and Activities–Apply a deeper understanding of the
concepts with these challenging end-of-chapter questions and activities. The
answer key explains each answer.
Hands-on Labs–Master the practical, hands-on skills of the course by
performing all the tasks in the course labs and additional challenge labs
included in Part II of the Learning Guide.
 
Allan Reid is the curriculum lead for CCNA and a CCNA
and CCNP® instructor at the Centennial College CATC in Toronto, Canada.
 
Jim Lorenz is an instructor and curriculum developer
for the Cisco Networking Academy.
 
 
How To–Look for this icon to study the steps you need
to learn to perform certain tasks.
 
Interactive Activities–Reinforce your understanding of
topics with more than 50 different exercises from the online course identified
through-out the book with this icon. The files for these activities are on the
accompanying CD-ROM.
 
Packet Tracer Activities– Explore and visualize
networking concepts using Packet Tracer exercises interspersed throughout some
chapters. The files for these activities are on the accompanying CD-ROM.
Packet Tracer v4.1 software developed by Cisco is available separately.
 
Hands-on Labs–Work through all 26 course labs and 3
additional challenge labs included in Part II of the book. The labs are an
integral part of the CCNA Discovery curriculum, so you can review the core
text and the lab material to prepare for all your exams.
 
Companion CD-ROM
The CD-ROM includes

Interactive Activities
Packet Tracer Activity files
IT Career Information
Taking Notes
Lifelong Learning
OSI Model Overview
 
Table of
Contents
 
Part I Concepts
 
Chapter 1 Personal
Computer Hardware 3
Objectives 3
Key Terms 3
Personal Computers and
Applications 5
    How and Where Computers Are Used
5
    Types of Computer Applications
6
Types of Computers
7
    Classes of Computers 7
    Servers, Desktops, and Workstations
8
        Servers
8
        Desktops
9
        Workstations
9
    Portable Devices 10
        Laptops
10
        Tablet PC
11
        Pocket PC
11
        PDA 11
        Game Device
12
        Cell Phone
12
Binary Representation of
Data 12
    Representing Information Digitally
12
    Measuring Storage Capacity 13
    Measuring Speed, Resolution, and
Frequency 14
        File
Transfer Time 15
        Computer
Screen Resolution 15
        Analog
Frequencies 16
Computer Components and
Peripherals 16
    Computer Systems 16
    Motherboard, CPU, and RAM 17
        Motherboard
17
        Central
Processing Unit (CPU) 18
        Random-Access
Memory (RAM) 19
    Adapter Cards 20
        Video Cards
21
        Sound Cards
21
        Network
Interface Cards (NICs) 21
        Modems
22
        Controller
Cards 22
    Storage Devices 22
        Magnetic
Storage 22
        Optical
Storage 23
        Static
Memory and Memory Sticks 24
    Peripheral Devices 24
    Cases and Power Supplies 26
        Surge
Suppressors 26
        Uninterruptible
Power Supplies 27
Computer System Components
28
    Safety and Best Practices 28
    Installing Components and Verifying
Operation 30
    Installing Peripherals and Verifying
Operation 31
Summary 35
Activities and Labs 35
Check Your Understanding
36
Challenge Questions and
Activities 39
 
Chapter 2 Operating
Systems 41
Objectives 41
Key Terms 41
Choosing the Operating
System 42
    Purpose of an Operating System
42
    Operating System Requirements 46
    Operating System Selection 48
Installing the Operating
System 50
    OS
Installation Methods 50
    Preparing for OS Installation 50
    Configuring a Computer for the
Network 52
    Computer Naming 53
    Network Name and Address Planning
54
Maintaining the Operating
System 54
    Why and When to Apply Patches 55
    Applying OS Patches 55
    Application Patches and Updates
56
Summary 58
Activities and Labs 58
Check Your Understanding
59
 
Chapter 3 Connecting to
the Network 61
Objectives 61
Key Terms 61
Introduction to Networking
63
    What Is a Network? 63
    Benefits of Networking 65
    Basic Network Components 65
    Computer Roles in a Network 67
    Peer-to-Peer Networks 69
    Network Topologies 71
Principles of
Communication 73
    Source, Channel, and Destination
73
    Rules of Communication 74
    Message Encoding 76
    Message Formatting 77
    Message Size 79
    Message Timing 80
        Access
Method 80
        Flow Control
80
        Response
Timeout 81
    Message Patterns 81
        Unicast
81
        Multicast
82
        Broadcast
82
Communicating on a Wired
Local Network 84
    Importance of Protocols 84
    Standardization of Protocols 85
    Physical Addressing 87
    Ethernet Communication 88
    Hierarchical Design of Ethernet
Networks 90
    Logical Addressing 91
    Access, Distribution, and Core
Layers and Devices 92
Building the Access Layer
of an Ethernet Network 94
    Access Layer 94
    Function of Hubs 95
    Function of Switches 96
    Broadcast Messaging 99
    MAC and IP Addresses 101
    Address Resolution Protocol (ARP)
101
Building the Distribution
Layer of a Network 103
    Distribution Layer 103
    Function of Routers 105
    Default Gateway 107
    Tables Maintained by Routers 108
    Local-Area Network (LAN) 112
    Adding Hosts to Local and Remote
Networks 114
Plan and Connect a Local
Network 115
    Plan and Document an Ethernet
Network 115
    Prototypes 116
    Multi-function Device 117
    Connecting the Linksys Router
119
    Sharing Resources 121
Summary 122
Activities and Labs
123
Check Your Understanding
124
Challenge Questions and
Activities 127
 
Chapter 4 Connecting to
the Internet Through an ISP 129
Objectives 129
Key Terms 129
The Internet and How We
Connect To It 130
    Explain What the Internet Is 130
    Internet Service Providers (ISP)
131
    The ISP’s Relationship with the
Internet 132
    Options for Connecting to the ISP
133
    ISP Levels of Service 135
Sending Information Across
the Internet 138
    Importance of the Internet Protocol
(IP) 138
    How ISPs Handle Packets 139
    Forwarding Packets Across the
Internet 141
Networking Devices in a
NOC 142
    Internet Cloud 142
    Devices in Internet Cloud 142
    Physical and Environmental
Requirements 145
Cables and Connectors
146
    Common Network Cables 147
    Twisted-Pair Cables 148
    Coaxial Cable 151
    Fiber-Optic Cables 152
        Multimode
Fiber 153
        Single-Mode
Fiber 154
Working with Twisted-Pair
Cabling 154
    Cabling Standards 154
    UTP Cables 155
        Unlike
Devices 157
        Like Devices
157
    UTP Cable Termination 158
    Terminating UTP at Patch Panels and
Wall Jacks 159
    Cable Testing 160
        Attenuation
161
        Crosstalk
162
    Cabling Best Practices 162
Summary 165
Activities and Labs
166
Check Your Understanding
167
Challenge Questions and
Activities 170
 
Chapter 5 Network
Addressing 171
Objectives 171
Key Terms 171
IP Addresses and Subnet
Masks 172
    Purpose of an IP Address 172
    IP
Address Structure 172
    Parts of an IP Address 174
    How IP Addresses and Subnet Masks
Interact 175
Types of IP Addresses
177
    IP
Address Classes and Default Subnet Masks 177
    Public and Private IP Addresses
179
    Unicast, Broadcast, and Multicast
Addresses 180
        Unicast
181
        Broadcast
181
        Multicast
182
How IP Addresses Are
Obtained 184
    Static and Dynamic Address
Assignment 184
        Static
184
        Dynamic
184
    DHCP Servers 185
    Configuring DHCP 186
Address Management
188
    Network Boundaries and Address Space
188
    Address Assignment 189
    Network Address Translation
190
Summary 195
Activities and Labs
195
Check Your Understanding
196
Challenge Questions and
Activities 199
 
Chapter 6 Network Services
201
Objectives 201
Key Terms 201
Clients/Servers and Their
Interaction 202
    Client/Server Relationship 202
    Role of Protocols in Client/Server
Communication 204
        Application
Protocol 204
        Transport
Protocol 205
        Internetwork
Protocol 205
        Network
Access Protocols 206
    TCP and UDP Transport Protocols
206
        Using TCP
206
        Using UDP
208
    TCP/IP Port Numbers 208
        Destination
Port 208
        Source Port
208
Application Protocols and
Services 209
    Domain Name Service 209
    Web Clients and Servers 211
    FTP Clients and Servers 212
    E-mail Clients and Servers 213
    IM
Clients and Servers 215
    Voice Clients and Servers 216
    Port Numbers 217
Layered Model and
Protocols 218
    Protocol Interaction 218
    Protocol Operation of Sending and
Receiving a Message 219
    Open System Interconnection Model
221
Summary 225
Activities and Labs
226
Check Your Understanding
227
Challenge Questions and
Activities 229
 
Chapter 7 Wireless
Technologies 231
Objectives 231
Key Terms 231
Wireless Technology
233
    Wireless Technologies and Devices
233
        Infrared
233
        Radio
Frequency (RF) 234
    Benefits and Limitations of Wireless
Technology 235
    Types of Wireless Networks and Their
Boundaries 236
        WPAN 236
        WLAN 236
        WWAN
236
Wireless LANs 237
    Wireless LAN Standards 237
    Wireless LAN Components 238
    WLANs and the SSID 240
        Ad-hoc
240
        Infrastructure
Mode 240
    Wireless Channels 242
    Configuring the Access Point
244
        Wireless
Mode 244
        SSID 245
        Wireless
Channel 246
    Configuring the Wireless Client
246
        Integrated
Wireless Utility Software 246
        Standalone
Wireless Utility Software 247
Security Considerations on
a Wireless LAN 248
    Why People Attack WLANs 248
    MAC Address Filtering 250
    Authentication on a WLAN 251
        Open
Authentication 251
        Pre-shared
keys (PSK) 251
        Extensible
Authentication Protocol (EAP) 252
    Encryption on a WLAN 253
        Wired
Equivalency Protocol (WEP) 253
        Wi-Fi
Protected Access (WPA) 254
    Traffic Filtering on a WAN
254
Configuring an Integrated
AP and Wireless Client 255
    Planning the WLAN 255
        Wireless
Standards 255
        Installation
of Wireless Devices 256
    Installing and Securing the AP
257
    Backing Up and Restoring
Configuration Files 257
    Updating the Firmware 258
Summary 260
Activities and Labs
261
Check Your Understanding
262
Challenge Questions and
Activities 263
 
Chapter 8 Basic Security
265
Objectives 265
Key Terms 265
Networking Threats
266
    Risks of Networking Intrusion
266
    Sources of Network Intrusion
267
        External
Threats 267
        Internal
Threats 267
    Social Engineering and Phishing
268
        Pretexting
268
        Phishing
269
        Vishing
269
Methods of Attack
269
    Viruses, Worms, and Trojan Horses
270
        Viruses
270
        Worms
270
        Trojan
Horses 271
    Denial of Service and Brute Force
Attacks 271
        Denial of
Service Attack 271
        Distributed
Denial of Service Attack 272
        Brute-Force
Attack 272
    Spyware, Tracking Cookies, Adware,
and Pop-Ups 273
        Spyware
273
        Tracking
Cookies 274
        Adware
274
        Pop-Ups and
Pop-Unders 275
    Spam 275
Security Policy
276
    Common Security Measures 276
    Updates and Patches 278
    Anti-virus Software 278
    Anti-spam 280
    Anti-spyware 282
Using Firewalls
283
    What Is a Firewall? 283
    Using a Firewall 284
        Single-Firewall
Configuration 285
        Two-Firewall
Configuration 286
        Home
Networking Device Firewalls 286
    Vulnerability Analysis 287
    Best Practices 288
Summary 290
Activities and Labs
291
Check Your Understanding
291
Challenge Questions and
Activities 294
 
Chapter 9 Troubleshooting
Your Network 295
Objectives 295
Key Terms 295
Troubleshooting Process
296
    Gathering Information 297
    Approaches to Troubleshooting
298
        Top-Down
298
        Bottom-Up
298
        Divide-and-Conquer
300
        Trial-and-Error
301
    Substitution 301
Using Utilities to
Troubleshoot Connectivity Issues 301
    Detecting Physical Problems
301
        Vision
302
        Smell
302
        Touch
302
        Hearing
302
    Software Utilities for
Troubleshooting Connectivity 302
        Troubleshooting
Using ipconfig 303
        Troubleshooting
Using ping 304
        Troubleshooting
Using tracert 306
        Troubleshooting
Using netstat 307
        Troubleshooting
Using nslookup 308
Common Networking Issues
309
    Connectivity Issues 309
    LED Indicators 310
        Power LED
311
        Status LED
311
        Activity LED
311
    Wired Connectivity Problems 311
    Connectivity Problems in a WLAN
312
        SSID 313
        Authentication
313
        Encryption
313
    DHCP Issues 314
    Troubleshooting the Wireless Router
to ISP Connection 315
Troubleshooting and the
Help Desk 316
    Documentation 317
    Using Outside Sources of Help
317
    Using the Help Desk 318
Summary 320
Activities and Labs
321
Check Your Understanding
321
Challenge Questions and
Activities 323
 
Chapter 10 Putting It All
Together 325
Summary Activity 325
Activities and Labs
325
 
Appendix Check Your
Understanding and Challenge Questions
Answer Key 327
Chapter 1 327
    Check Your Understanding 327
    Challenge Questions and Activities
328
Chapter 2 328
    Check Your Understanding 328
Chapter 3 329
    Check Your Understanding 329
    Challenge Questions and Activities
330
Chapter 4 331
    Check Your Understanding 331
    Challenge Questions and Activities
332
Chapter 5 333
    Check Your Understanding 333
    Challenge Questions and Activities
334
Chapter 6 335
    Check Your Understanding 335
    Challenge Questions and Activities
336
Chapter 7 336
    Check Your Understanding 336
    Challenge Questions and Activities
337
Chapter 8 337
    Check Your Understanding 337
    Challenge Questions and Activities
338
Chapter 9 339
    Check Your Understanding 339
    Challenge Questions and Activities
339
 
Part II Labs
 
Chapter 1 Labs: Personal
Computer Hardware 343
Lab 1-1: Determining Data
Storage Capacity (1.3.2.2) 343
    Task 1: Identify the Amount of RAM
in a Computer 343
    Task 2: Determine the Size of the
Hard Disk Drive 344
    Task 3: Determine the Free Space and
Used Space on the Hard Drive 345
    Task 4: Check for Other Storage
Devices 346
    Task 5: Reflection 347
Lab 1-2: Determining the
Screen Resolution of a Computer (1.3.3.4) 348
    Task 1: Determine the Current Screen
Resolution 348
    Task 2: Determine the Maximum
Resolution for the Highest Color Quality 349
    Task 3: Calculate the Pixels for
Current and Maximum
        Resolution
Settings 349
    Task 4: Identify the Type of
Graphics Card Installed 350
    Task 5: Identify the Type of Monitor
and Available Refresh Rates 350
Lab 1-3: Installing a
Printer and Verifying Its Operation (1.5.3.4) 352
    Task 1: Add a Printer 352
    Task 2: Verify the Printer
Installation 355
    Task 3: Download and Install an
Updated Printer Driver 356
    Task 4: Verify the New Driver
Installation 360
 
Chapter 2 Labs: Operating
Systems 361
Lab 2-1: Examining
Operating System and Application
Versions (2.3.3.2)
361
    Task 1: Determine the Windows XP
Version and Revision Number 361
    Task 2: Configure Windows XP for
Updates 362
    Task 3: Determine an Application
Version 363
    Task 4: Reflection 363
Challenge Lab 2-2:
Evaluating an OS Upgrade 363
    Task 1: Locate Minimum Requirements
for Windows Vista 364
    Task 2: Determine the Hardware
Information for the Computer Using
        winmsd.exe
365
    Task 3: Determine CPU Type and
Amount of RAM Using System
        Properties
365
    Task 4: Determine Hard Disk Capacity
and Amount of Free Disk Space Using
        My Computer
Properties 365
    Task 5: Check for Other Drives
(Floppy, CD-ROM, DVD) 366
    Task 6: Verify the Monitor and
Graphics Capabilities 366
    Task 7: Download and Run Windows
Vista Upgrade Advisor 366
    Task 8: Reflection 367
 
Chapter 3 Labs: Connecting
to the Network 369
Lab 3-1: Building a
Peer-to-Peer Network (3.1.5.3) 369
    Task 1: Diagram the Network 369
    Task 2: Document the PCs 370
    Task 3: Connect the Ethernet Cable
371
    Task 4: Verify Physical Connectivity
371
    Task 5: Configure IP Settings
371
    Task 6: Verify IP Connectivity
Between the Two PCs 372
    Task 7: Verify Connectivity Using My
Network Places 373
    Task 8: (Optional) Re-enable the
Firewall 373
Lab 3-2: Determine the MAC
Address of a Host (3.3.3.2) 373
    Task 1: Open a Windows Command
Prompt Window 374
    Task 2: Use the ipconfig /all
Command 374
    Task 3: Locate the MAC (Physical)
Address(es) in the Output from the ipconfig
        /all Command
375
    Task 4: Reflection 375
Lab 3-3: Determine the IP
Address of a Computer (3.3.6.2) 376
    Task 1: Determine the IP Address of
the Computer 376
Lab 3-4: IP Addresses and
Network Communication (3.5.2.2) 378
    Task 1: Connect the PCs to Create a
Peer-to-Peer Network 378
    Task 2: Verify Physical Connectivity
378
    Task 3: Configure IP Settings for
the Two PCs 379
    Task 4: Verify IP Connectivity
Between the Two PCs 379
    Task 5: Change IP Address for PC2
380
    Task 6: Test Network Connectivity
Between the Two PCs 381
    Task 7: Change IP Address for PC1
381
    Task 8: Test Network Connectivity
Between the Two PCs 382
    Task 9: (Optional) Re-enable the
Firewall 382
Lab 3-5: Connect and
Configure Hosts (3.6.4.3) 383
    Task 1: Identify Ethernet Ports
383
    Task 2: Connect the Cable Between
the PC and the Router 384
    Task 3: Assign the PCs an IP Address
and Default Gateway 384
    Task 4: Verify the IP Address
Configuration 385
    Task 5: Test Connectivity Between
the Two PCs 386
    Task 6: Configure the NetBIOS Name
386
    Task 7: Verify Configuration 387
    Task 8: (Optional) Re-enable the
Firewall 388
    Task 9: Return IP Address and
NetBIOS Name to Original Values 388
    Task 10: Reflection 389
Lab 3-6: Sharing Resources
(3.6.5.3) 390
    Task 1: Share a Folder 390
    Task 2: Map Network Drives to
Provide Quick and Easy Access to Shared
        Folders
392
    Task 3: Verify Work 393
    Task 4: Reflection 393
 
Chapter 4 Labs: Connecting
to the Internet Through an ISP 395
Lab 4-1: Tracing Internet
Connectivity (4.2.3.3) 395
    Task 1: (Optional) Download and
Install a Free Program 395
    Task 2: Locate Websites 396
    Task 3: (Optional) Use Downloaded
Visual Trace Route Tool 396
    Task 4: Use the tracert Command
397
    Task 5: Use the pathping Command
398
    Task 6: (Optional) Use the whois
Function 398
    Task 7: Reflection 399
Lab 4-2: Building
Straight-Through and Crossover UTP Cables (4.5.3.2) 400
    Part A: Build and Test an Ethernet
Straight-Through Patch Cable 401
        Task A1:
Obtain and Prepare the Cable 401
        Task A2:
Prepare and Insert the Wires 401
        Task A3:
Inspect, Crimp, and Reinspect 402
        Task A4:
Terminate the Other Cable End 403
        Task A5:
Test the Cable 403
    Part B: Build and Test an Ethernet
Crossover Cable 403