1,001 CCNA Routing and Switching Practice Questions For Dummies

483 Pages·2014·4.489 MB·English

by  Glen E. Clarke

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Glen E. Clarke
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9 781118794296 Clarke All-In-One For Dummies

1,001 CCNA®
Routing and Switching
Prac tice Questions
by Glen E. Clarke
1,001 CCNA® Routing and Switching Practice Questions For Dummies®
Published by: John Wiley & Sons, Inc., 111 River Street, Hoboken, NJ 07030-5774, www.wiley.com
Copyright © 2014 by John Wiley & Sons, Inc., Hoboken, New Jersey
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Library of Congress Control Number: 2013949068
ISBN 978-1-118-79429-6 (pbk); ISBN 978-1-118-79414-2 (ebk); ISBN 978-1-118-79424-1 (ebk)
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Contents at a Glance
Introduction ............................................................................1
Part I: ICND 1 – Exam 100-101 ...............................................9
Chapter 1: Networking Devices, Technologies, and Models .........................................................11
Chapter 2: Introduction to TCP/IP ....................................................................................................21
Chapter 3: Subnetting and VLSM ......................................................................................................33
Chapter 4: Introduction to Cisco IOS ...............................................................................................45
Chapter 5: Basic Router Configuration ............................................................................................57
Chapter 6: Managing Cisco Devices .................................................................................................69
Chapter 7: Advanced Router Topics ................................................................................................79
Chapter 8: Static Routing ...................................................................................................................91
Chapter 9: Dynamic Routing Protocols ..........................................................................................103
Chapter 10: Introduction to Switching ...........................................................................................113
Chapter 11: Basic Switch Configuration .........................................................................................125
Chapter 12: Troubleshooting Network Communication ..............................................................137
Chapter 13: Cisco Device Security Best Practices ........................................................................153
Chapter 14: Introduction to Wireless Networking ........................................................................169
Chapter 15: Introduction to WANs .................................................................................................179
Part II: ICND 2 – Exam 200-101 ..........................................191
Chapter 16: ICND1 Review ...............................................................................................................193
Chapter 17: Switching Technologies ..............................................................................................227
Chapter 18: Cisco IOS Fundamentals .............................................................................................241
Chapter 19: Router Essentials and Route Summarization ...........................................................253
Chapter 20: RIP and OSPF ................................................................................................................265
Chapter 21: Routing with EIGRP......................................................................................................277
Chapter 22: Configuring IP Services ...............................................................................................289
Chapter 23: Frame Relay ..................................................................................................................301
Chapter 24: WAN Technologies ......................................................................................................311
Part III: The Answers ...........................................................323
Answers ..............................................................................................................................................325
Index ..................................................................................449

Table of Contents
Introduction ................................................................. 1
About This Book ..............................................................................................1
Conventions Used in This Book .....................................................................1
Foolish Assumptions .......................................................................................2
How This Book Is Organized ..........................................................................2
Part I: ICND1 – Exam 100-101 ................................................................2
Part II: ICND2 – Exam 200-101 ...............................................................3
Beyond the Book .............................................................................................3
What you’ll find online ..........................................................................3
How to register .......................................................................................3
Extra content ..........................................................................................4
The Value of CCNA Certification ....................................................................4
CCNA Exam Details ..........................................................................................5
What to Expect on the CCNA Exams .............................................................6
Types of questions ................................................................................6
Exam objectives .....................................................................................7
On Your Test Day ............................................................................................8
Arriving at the test site .........................................................................8
Getting lots of rest .................................................................................8
Answering questions .............................................................................8
Part I: ICND 1 – Exam 100-101 .................................... 9
Chapter 1: Networking Devices, Technologies, and Models . . . . . . .11
The Questions You’ll Work On ....................................................................11
What to Watch Out For .................................................................................11
Network Services .................................................................................12
Network Devices and Communication ..............................................13
OSI Model and Network Standards ....................................................15
Network Cabling ...................................................................................18
Chapter 2: Introduction to TCP/IP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
The Questions You’ll Work On ....................................................................21
What to Watch Out For .................................................................................21
IP Addressing........................................................................................22
TCP/IP Protocols ..................................................................................25
IPv6 ........................................................................................................28
TCP/IP Ports .........................................................................................29
Troubleshooting ..................................................................................30
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1,001 CCNA Routing and Switching Practice Questions For Dummies
Chapter 3: Subnetting and VLSM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
The Problems You’ll Work On .....................................................................33
What to Watch Out For .................................................................................33
Subnetting .............................................................................................34
VLSM ......................................................................................................41
Chapter 4: Introduction to Cisco IOS . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
The Problems You’ll Work On .....................................................................45
What to Watch Out For .................................................................................45
Device Ports..........................................................................................46
Memory Types .....................................................................................48
IOS Basics..............................................................................................50
Boot Process.........................................................................................52
IOS Version Information ......................................................................54
Chapter 5: Basic Router Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . .57
The Problems You’ll Work On .....................................................................57
What to Watch Out For .................................................................................57
Configuring Interfaces .........................................................................58
Basic Configuration .............................................................................60
Basic Troubleshooting ........................................................................63
Chapter 6: Managing Cisco Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69
The Problems You’ll Work On .....................................................................69
What to Watch Out For .................................................................................69
Backup and Remote .............................................................................70
Cisco Discovery Protocol (CDP) ........................................................73
Telnet.....................................................................................................76
Chapter 7: Advanced Router Topics . . . . . . . . . . . . . . . . . . . . . . . . . . . . .79
The Problems You’ll Work On .....................................................................79
What to Watch Out For .................................................................................79
Hostname Resolution ..........................................................................80
Configuration of DHCP Service ...........................................................82
Implementing NAT ...............................................................................83
Password Recovery .............................................................................86
Access Control Lists (ACLs) ...............................................................88
Chapter 8: Static Routing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .91
The Problems You’ll Work On .....................................................................91
What to Watch Out For .................................................................................91
Introduction to Routing and Communication ..................................92
Configuring Static Routes ...................................................................94
Gateway of Last Resort .......................................................................96
Troubleshooting Connectivity ...........................................................97
Router on a Stick ................................................................................100
Administrative Distances ..................................................................101
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Table of Contents
Chapter 9: Dynamic Routing Protocols . . . . . . . . . . . . . . . . . . . . . . . . . .103
The Problems You’ll Work On ...................................................................103
What to Watch Out For ...............................................................................103
Introduction to Dynamic Routing Protocols ..................................104
Configuring RIP and RIPv2 ................................................................107
Basics of Configuring OSPF ...............................................................110
Chapter 10: Introduction to Switching . . . . . . . . . . . . . . . . . . . . . . . . . .113
The Problems You’ll Work On ...................................................................113
What to Watch Out For ...............................................................................113
Introduction to Cisco Switches ........................................................114
Understanding Switch Functionality ...............................................115
Understanding Data Flow ..................................................................120
Basic Switch Configuration ...............................................................122
Chapter 11: Basic Switch Configuration . . . . . . . . . . . . . . . . . . . . . . . .125
The Problems You’ll Work On ...................................................................125
What to Watch Out For ...............................................................................125
Configuring Ports ...............................................................................126
Troubleshooting Switch Configuration ...........................................128
Port Security .......................................................................................131
Configuring VLANs .............................................................................134
Chapter 12: Troubleshooting Network Communication . . . . . . . . . . .137
The Problems You’ll Work On ...................................................................137
What to Watch Out For ...............................................................................137
Troubleshooting Commands ............................................................138
Troubleshooting Connectivity Issues .............................................140
Using Show Commands to Troubleshoot .......................................145
Using Debug Commands ...................................................................151
Chapter 13: Cisco Device Security Best Practices . . . . . . . . . . . . . . .153
The Problems You’ll Work On ...................................................................153
What to Watch Out For ...............................................................................153
Security Basics ...................................................................................154
Security Configuration ......................................................................155
Switch Security ...................................................................................160
Configuring Passwords......................................................................163
Configuring Banners ..........................................................................165
Remote Management .........................................................................166
Chapter 14: Introduction to Wireless Networking . . . . . . . . . . . . . . . .169
The Problems You’ll Work On ...................................................................169
What to Watch Out For ...............................................................................169
Wireless Basics ..................................................................................170
Wireless Security ...............................................................................175
Wireless Standards ............................................................................177
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1,001 CCNA Routing and Switching Practice Questions For Dummies
Chapter 15: Introduction to WANs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .179
The Problems You’ll Work On ...................................................................179
What to Watch Out For ...............................................................................179
Introduction to WAN Terminology ..................................................180
Methods of Connecting to WANs .....................................................182
Configuring Serial Links ....................................................................183
Part II: ICND 2 – Exam 200-101 ............................... 191
Chapter 16: ICND1 Review . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .193
The Problems You’ll Work On ...................................................................193
What to Watch Out For ...............................................................................193
Networking Basics .............................................................................194
IP Addressing, Subnetting and VLSM ..............................................197
Configuring Routers and IP Routing ................................................202
Configuring Switches .........................................................................213
Troubleshooting and Security..........................................................218
Wireless and WANs............................................................................223
Chapter 17: Switching Technologies . . . . . . . . . . . . . . . . . . . . . . . . . . .227
The Problems You’ll Work On ...................................................................227
What to Watch Out For ...............................................................................227
Understanding Spanning Tree Protocol (STP) ...............................228
Configuring VLANs .............................................................................232
Configuring VLAN Trunking Protocol (VTP) ..................................236
Implementing Etherchannel and Port Security ..............................239
Chapter 18: Cisco IOS Fundamentals . . . . . . . . . . . . . . . . . . . . . . . . . . .241
The Problems You’ll Work On ...................................................................241
What to Watch Out For ...............................................................................241
Understanding the Cisco IOS Boot Process ...................................242
Working with IOS Images ..................................................................245
Managing Cisco IOS Files ..................................................................247
Working with Licenses ......................................................................250
Chapter 19: Router Essentials and Route Summarization . . . . . . . . . .253
The Problems You’ll Work On ...................................................................253
What to Watch Out For ...............................................................................253
Understanding Static and Dynamic Routing...................................254
Recognizing Routing Terminology ...................................................259
Working with Route Summarization ................................................260
Knowing about Inter-VLAN Routing ................................................261