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Viser: CCNA 200-301 Official Cert Guide, Volume 1
CCNA 200-301 Official Cert Guide, Volume 1
Wendell Odom
(2024)
Sprog: Engelsk
Cisco Press
368,00 kr.
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Detaljer om varen
- 2. Udgave
- Paperback: 944 sider
- Udgiver: Cisco Press (Juni 2024)
- ISBN: 9780138229634
Trust the best-selling Official Cert Guide series from Cisco Press to help you learn, prepare, and practice for exam success. They are built with the objective of providing assessment, review, and practice to help ensure you are fully prepared for your certification exam.
CCNA 200-301 Official Cert Guide, Volume 1, Second Edition presents you with an organized test-preparation routine using proven series elements and techniques. "Do I Know This Already?" quizzes open each chapter and enable you to decide how much time you need to spend on each section. Exam topic lists make referencing easy. Chapter-ending Exam Preparation Tasks help you drill on key concepts you must know thoroughly.
- Master Cisco CCNA 200-301 exam topics
- Assess your knowledge with chapter-opening quizzes
- Review key concepts with exam preparation tasks
- Practice with realistic exam questions in the practice test software
CCNA 200-301 Official Cert Guide, Volume 1, Second Edition from Cisco Press enables you to succeed on the exam the first time and is the only self-study resource approved by Cisco. Best-selling author and expert instructor Wendell Odom shares preparation hints and test-taking tips, helping you identify areas of weakness and improve both your conceptual knowledge and hands-on skills.
This complete study package includes
- A test-preparation routine proven to help you pass the exams
- Do I Know This Already? quizzes, which enable you to decide how much time you need to spend on each section
- Chapter-ending and part-ending exercises, which help you drill on key concepts you must know thoroughly
- The powerful Pearson Test Prep Practice Test software, complete with hundreds of well-reviewed, exam-realistic questions, customization options, and detailed performance reports
- A free copy of the CCNA 200-301 Volume 1 Network Simulator Lite software, complete with meaningful lab exercises that help you hone your hands-on skills with the command-line interface for routers and switches
- Links to a series of hands-on config labs developed by the author
- Online, interactive practice exercises that help you hone your knowledge
- More than 6 hours of video mentoring from the author
- A final preparation chapter, which guides you through tools and resources to help you craft your review and test-taking strategies
- Study plan suggestions and templates to help you organize and optimize your study time
Well regarded for its level of detail, study plans, assessment features, challenging review questions and exercises, video instruction, and hands-on labs, this official study guide helps you master the concepts and techniques that ensure your exam success.
This official study guide has been fully updated to help you master the topics on the latest CCNA 200-301 exam. Volume 1 topic coverage includes
- Networking fundamentals
- Implementing Ethernet LANs
- Implementing VLANs and STP
- IPv4 addressing and subnetting
- IPv4 routing
- Implementing OSPF
- IPv6 addressing, subnetting, and routing
Content Update Program
This fully updated second edition includes the latest topics and additional information covering changes to the latest CCNA 200-301 exam. Visit ciscopress.com/newcerts for information on annual digital updates for this book that align to Cisco exam blueprint version changes.
Companion Website:
The companion website contains more than 400 unique practice exam questions, CCNA Network Simulator Lite software, online review and practice exercises, key term flash cards, and 6+ hours of video training.
Also available from Cisco Press for CCNA study is the CCNA 200-301 Official Cert Guide, Volume 1, Premium Edition eBook and Practice Test, Second Edition. This digital-only certification preparation product combines an eBook with enhanced Pearson Test Prep Practice Test.
This integrated learning package
- Enables you to focus on individual topic areas or take complete, timed exams
- Includes direct links from each question to detailed tutorials to help you understand the concepts behind the questions
- Provides unique sets of exam-realistic practice questions
- Tracks your performance and provides feedback on a module-by-module basis, laying out a complete assessment of your knowledge to help you focus your study where it is needed most
In addition to the wealth of updated content, this new edition includes a series of free hands-on exercises to help you master several real-world configuration and troubleshooting activities. These exercises can be performed on the CCNA 200-301 Network Simulator Lite, Volume 1 software included for free on the companion website that accompanies this book. This software, which simulates the experience of working on actual Cisco routers and switches, contains the following free lab exercises, covering topics in Part II and Part III, the first hands-on configuration sections of the book:
- Configuring Local Usernames
- Configuring Hostnames
- Interface Status I
- Interface Status II
- Interface Status III
- Interface Status IV
- Configuring Switch IP Settings
- Switch IP Address
- Switch IP Connectivity I
- Switch CLI Configuration Process I
- Switch CLI Configuration Process II
- Switch CLI Exec Mode
- Setting Switch Passwords
- Interface Settings I
- Interface Settings II
- Interface Settings III
- Switch Forwarding I
- Switch Security I
- Switch Interfaces and Forwarding Configuration Scenario
- Configuring VLANs Configuration Scenario
- VLAN Troubleshooting
Introduction xxxiv Your Study Plan 2
Part I Introduction to Networking 15
Chapter 1 Introduction to TCP/IP Networking 16 "Do I Know This Already?" Quiz 17 Foundation Topics 18 Perspectives on Networking 18 TCP/IP Networking Model 19 History Leading to TCP/IP 20 Overview of the TCP/IP Networking Model 21 TCP/IP Application Layer 23 HTTP Overview 23 HTTP Protocol Mechanisms 23 TCP/IP Transport Layer 24 TCP Error Recovery Basics 25 Same-Layer and Adjacent-Layer Interactions 25 TCP/IP Network Layer 26 Internet Protocol and the Postal Service 26 Internet Protocol Addressing Basics 27 IP Routing Basics 28 TCP/IP Data-Link and Physical Layers 29 Data Encapsulation Terminology 31 Names of TCP/IP Messages 31 OSI Networking Model and Terminology 32 Comparing OSI and TCP/IP Layer Names and Numbers 33
Chapter Review 34
Chapter 2 Fundamentals of Ethernet LANs 36 "Do I Know This Already?" Quiz 36 Foundation Topics 38 An Overview of LANs 38 Typical SOHO LANs 39 Typical Enterprise LANs 40 The Variety of Ethernet Physical Layer Standards 41 Consistent Behavior over All Links Using the Ethernet Data-Link Layer 42 Building Physical Ethernet LANs with UTP 43 Transmitting Data Using Twisted Pairs 43 Breaking Down a UTP Ethernet Link 44 UTP Cabling Pinouts for 10BASE-T and 100BASE-T 46 Straight-Through Cable Pinout 46 Choosing the Right Cable Pinouts 48 Automatic Rewiring with Auto-MDIX 49 UTP Cabling Pinouts for 1000BASE-T 49 Building Physical Ethernet LANs with Fiber 50 Fiber Cabling Transmission Concepts 50 Using Fiber with Ethernet 52 Sending Data in Ethernet Networks 53 Ethernet Data-Link Protocols 53 Ethernet Addressing 54 Identifying Network Layer Protocols with the Ethernet Type Field 56 Error Detection with FCS 56 Sending Ethernet Frames with Switches and Hubs 57 Sending in Modern Ethernet LANs Using Full Duplex 57 Using Half Duplex with LAN Hubs 58
Chapter Review 60
Chapter 3 Fundamentals of WANs and IP Routing 62 "Do I Know This Already?" Quiz 62 Foundation Topics 64 Wide-Area Networks 64 Leased-Line WANs 64 Physical Details of Leased Lines 65 Data-Link Details of Leased Lines 66 How Routers Use a WAN Data Link 67 Ethernet as a WAN Technology 69 Ethernet WANs That Create a Layer 2 Service 70 How Routers Route IP Packets Using Ethernet WAN Links 70 IP Routing 71 Network Layer Routing (Forwarding) Logic 72 Host Forwarding Logic: Send the Packet to the Default Router 73 R1 and R2''s Logic: Routing Data Across the Network 73 R3''s Logic: Delivering Data to the End Destination 73 How Network Layer Routing Uses LANs and WANs 73 How IP Addressing Helps IP Routing 76 Rules for Groups of IP Addresses (Networks and Subnets) 76 The IP Header 77 How IP Routing Protocols Help IP Routing 77 Other Network Layer Features 79 Using Names and the Domain Name System 79 The Address Resolution Protocol 80 ICMP Echo and the ping Command 81
Chapter Review 82
Part I Review 84
Part II Implementing Ethernet LANs 87
Chapter 4 Using the Command-Line Interface 88 "Do I Know This Already?" Quiz 88 Foundation Topics 90 Accessing the Cisco Catalyst Switch CLI 90 Cisco Catalyst Switches 90 Accessing the Cisco IOS XE CLI 91 The Operating System in Cisco Catalyst Switches 92 Accessing the IOS XE CLI 92 Cabling the Console Connection 93 Configuring a Terminal Emulator 95 Accessing the CLI with Telnet and SSH 96 User and Enable (Privileged) Modes 96 Password Security for CLI Access from the Console 98 Accessing the CLI with the WebUI 99 CLI Help Features 101 The debug and show Commands 103 Configuring Cisco IOS Software 103 Configuration Submodes and Contexts 104 Storing Switch Configuration Files 106 Copying and Erasing Configuration Files 109
Chapter Review 109
Chapter 5 Analyzing Ethernet LAN Switching 112 "Do I Know This Already?" Quiz 112 Foundation Topics 114 LAN Switching Concepts 114 Overview of Switching Logic 115 Forwarding Known Unicast Frames 116 Learning MAC Addresses 118 Flooding Unknown Unicast and Broadcast Frames 119 Avoiding Loops Using Spanning Tree Protocol 120 LAN Switching Summary 121 Verifying and Analyzing Ethernet Switching 121 Demonstrating MAC Learning 122 Switch Interfaces 123 Finding Entries in the MAC Address Table 124 Managing the MAC Address Table (Aging, Clearing) 126 MAC Address Tables with Multiple Switches 127
Chapter Review 128
Chapter 6 Configuring Basic Switch Management 132 "Do I Know This Already?" Quiz 132 Foundation Topics 134 Securing the Switch CLI 134 Securing User Mode and Privileged Mode with Simple Passwords 135 Securing User Mode Access with Local Usernames and Passwords 139 Securing User Mode Access with External Authentication Servers 141 Securing Remote Access with Secure Shell 142 Enabling and Securing the WebUI 145 Enabling IPv4 for Remote Access 146 Host and Switch IP Settings 147 Configuring IPv4 on a Switch 149 Configuring a Switch to Learn Its IP Address with DHCP 150 Verifying IPv4 on a Switch 150 Miscellaneous Settings Useful in the Lab 151 History Buffer Commands 151 The logging synchronous, exec-timeout, and no ip domain-lookup Commands 152
Chapter Review 153
Chapter 7 Configuring and Verifying Switch Interfaces 158 "Do I Know This Already?" Quiz 158 Foundation Topics 161 Configuring Switch Interface Speed and Duplex 161 IEEE Autonegotiation Concepts 161 Autonegotiation Under Working Conditions 161 Autonegotiation Results When Only One Node Uses Autonegotiation 163 Autonegotiation and LAN Hubs 165 Configuring Autonegotiation, Speed, and Duplex 165 Using Autonegotiation on Cisco Switches 165 Setting Speed and Duplex Manually 169 Using Auto-MDIX on Cisco Switches 170 Managing Switch Interface Configuration 172 The Description and Interface Range Commands 172 Administratively Controlling Interface State with shutdown 173 Removing Configuration with the no Command 174 Analyzing Switch Interface Status and Statistics 176 Interface Status Codes 176 The Duplex Mismatch Issue 177 Common Layer 1 Problems on Working Interfaces 178
Chapter Review 180
Part II Review 184
Part III Implementing VLANs and STP 187
Chapter 8 Implementing Ethernet Virtual LANs 188 "Do I Know This Already?" Quiz 189 Foundation Topics 191 Virtual LAN Concepts 191 Creating Multiswitch VLANs Using Trunking 192 VLAN Tagging Concepts 193 The
802.1Q and ISL VLAN Trunking Protocols 194 Forwarding Data Between VLANs 195 The Need for Routing Between VLANs 195 Routing Packets Between VLANs with a Router 196 VLAN and VLAN Trunking Configuration and Verification 197 Creating VLANs and Assigning Access VLANs to an Interface 197 VLAN Configuration Example
1: Full VLAN Configuration 198 VLAN Configuration Example
2: Shorter VLAN Configuration 201 VLAN Trunking Protocol 201 VLAN Trunking Configuration 203 Implementing Interfaces Connected to Phones 207 Data and Voice VLAN Concepts 208 Data and Voice VLAN Configuration and Verification 209 Summary: IP Telephony Ports on Switches 212 Troubleshooting VLANs and VLAN Trunks 212 Confirm the Correct Access VLAN Is Assigned 213 Access VLANs Undefined or Disabled 213 Mismatched Trunking Operational States 215 The Supported VLAN List on Trunks 217 Mismatched Native VLAN on a Trunk 218
Chapter Review 218
Chapter 9 Spanning Tree Protocol Concepts 222 "Do I Know This Already?" Quiz 223 Foundation Topics 224 STP and RSTP Basics 224 The Need for Spanning Tree 225 What Spanning Tree Does 227 How Spanning Tree Works 228 The STP Bridge ID and Hello BPDU 229 Electing the Root Switch 230 Choosing Each Switch''s Root Port 232 Choosing the Designated Port on Each LAN Segment 234 Configuring to Influence the STP Topology 235 Details Specific to STP (and Not RSTP) 236 STP Activity When the Network Remains Stable 236 STP Timers That Manage STP Convergence 237 Changing Interface States with STP 238 Rapid STP Concepts 239 Comparing STP and RSTP 240 RSTP and the Alternate (Root) Port Role 241 RSTP States and Processes 243 RSTP and the Backup (Designated) Port Role 244 RSTP Port Types 245 Optional STP Features 246 EtherChannel 246 PortFast 247 BPDU Guard 248 BPDU Filter 248 BPDU Filter to Prevent Loops on PortFast Ports 249 BPDU Filter to Disable STP on a Port 249 Root Guard 250 Loop Guard 251
Chapter Review 254
Chapter 10 RSTP and EtherChannel Configuration 256 "Do I Know This Already?" Quiz 256 Foundation Topics 259 Understanding RSTP Through Configuration 259 The Need for Multiple Spanning Trees 260 STP Modes and Standards 260 The Bridge ID and System ID Extension 261 Identifying Switch Priority and the Root Switch 263 Switch Priority and Identifying the Root Switch 263 Switch Priority Using Root Primary and Secondary 265 RSTP (One Tree) and RPVST+ (One Tree P
Part I Introduction to Networking 15
Chapter 1 Introduction to TCP/IP Networking 16 "Do I Know This Already?" Quiz 17 Foundation Topics 18 Perspectives on Networking 18 TCP/IP Networking Model 19 History Leading to TCP/IP 20 Overview of the TCP/IP Networking Model 21 TCP/IP Application Layer 23 HTTP Overview 23 HTTP Protocol Mechanisms 23 TCP/IP Transport Layer 24 TCP Error Recovery Basics 25 Same-Layer and Adjacent-Layer Interactions 25 TCP/IP Network Layer 26 Internet Protocol and the Postal Service 26 Internet Protocol Addressing Basics 27 IP Routing Basics 28 TCP/IP Data-Link and Physical Layers 29 Data Encapsulation Terminology 31 Names of TCP/IP Messages 31 OSI Networking Model and Terminology 32 Comparing OSI and TCP/IP Layer Names and Numbers 33
Chapter Review 34
Chapter 2 Fundamentals of Ethernet LANs 36 "Do I Know This Already?" Quiz 36 Foundation Topics 38 An Overview of LANs 38 Typical SOHO LANs 39 Typical Enterprise LANs 40 The Variety of Ethernet Physical Layer Standards 41 Consistent Behavior over All Links Using the Ethernet Data-Link Layer 42 Building Physical Ethernet LANs with UTP 43 Transmitting Data Using Twisted Pairs 43 Breaking Down a UTP Ethernet Link 44 UTP Cabling Pinouts for 10BASE-T and 100BASE-T 46 Straight-Through Cable Pinout 46 Choosing the Right Cable Pinouts 48 Automatic Rewiring with Auto-MDIX 49 UTP Cabling Pinouts for 1000BASE-T 49 Building Physical Ethernet LANs with Fiber 50 Fiber Cabling Transmission Concepts 50 Using Fiber with Ethernet 52 Sending Data in Ethernet Networks 53 Ethernet Data-Link Protocols 53 Ethernet Addressing 54 Identifying Network Layer Protocols with the Ethernet Type Field 56 Error Detection with FCS 56 Sending Ethernet Frames with Switches and Hubs 57 Sending in Modern Ethernet LANs Using Full Duplex 57 Using Half Duplex with LAN Hubs 58
Chapter Review 60
Chapter 3 Fundamentals of WANs and IP Routing 62 "Do I Know This Already?" Quiz 62 Foundation Topics 64 Wide-Area Networks 64 Leased-Line WANs 64 Physical Details of Leased Lines 65 Data-Link Details of Leased Lines 66 How Routers Use a WAN Data Link 67 Ethernet as a WAN Technology 69 Ethernet WANs That Create a Layer 2 Service 70 How Routers Route IP Packets Using Ethernet WAN Links 70 IP Routing 71 Network Layer Routing (Forwarding) Logic 72 Host Forwarding Logic: Send the Packet to the Default Router 73 R1 and R2''s Logic: Routing Data Across the Network 73 R3''s Logic: Delivering Data to the End Destination 73 How Network Layer Routing Uses LANs and WANs 73 How IP Addressing Helps IP Routing 76 Rules for Groups of IP Addresses (Networks and Subnets) 76 The IP Header 77 How IP Routing Protocols Help IP Routing 77 Other Network Layer Features 79 Using Names and the Domain Name System 79 The Address Resolution Protocol 80 ICMP Echo and the ping Command 81
Chapter Review 82
Part I Review 84
Part II Implementing Ethernet LANs 87
Chapter 4 Using the Command-Line Interface 88 "Do I Know This Already?" Quiz 88 Foundation Topics 90 Accessing the Cisco Catalyst Switch CLI 90 Cisco Catalyst Switches 90 Accessing the Cisco IOS XE CLI 91 The Operating System in Cisco Catalyst Switches 92 Accessing the IOS XE CLI 92 Cabling the Console Connection 93 Configuring a Terminal Emulator 95 Accessing the CLI with Telnet and SSH 96 User and Enable (Privileged) Modes 96 Password Security for CLI Access from the Console 98 Accessing the CLI with the WebUI 99 CLI Help Features 101 The debug and show Commands 103 Configuring Cisco IOS Software 103 Configuration Submodes and Contexts 104 Storing Switch Configuration Files 106 Copying and Erasing Configuration Files 109
Chapter Review 109
Chapter 5 Analyzing Ethernet LAN Switching 112 "Do I Know This Already?" Quiz 112 Foundation Topics 114 LAN Switching Concepts 114 Overview of Switching Logic 115 Forwarding Known Unicast Frames 116 Learning MAC Addresses 118 Flooding Unknown Unicast and Broadcast Frames 119 Avoiding Loops Using Spanning Tree Protocol 120 LAN Switching Summary 121 Verifying and Analyzing Ethernet Switching 121 Demonstrating MAC Learning 122 Switch Interfaces 123 Finding Entries in the MAC Address Table 124 Managing the MAC Address Table (Aging, Clearing) 126 MAC Address Tables with Multiple Switches 127
Chapter Review 128
Chapter 6 Configuring Basic Switch Management 132 "Do I Know This Already?" Quiz 132 Foundation Topics 134 Securing the Switch CLI 134 Securing User Mode and Privileged Mode with Simple Passwords 135 Securing User Mode Access with Local Usernames and Passwords 139 Securing User Mode Access with External Authentication Servers 141 Securing Remote Access with Secure Shell 142 Enabling and Securing the WebUI 145 Enabling IPv4 for Remote Access 146 Host and Switch IP Settings 147 Configuring IPv4 on a Switch 149 Configuring a Switch to Learn Its IP Address with DHCP 150 Verifying IPv4 on a Switch 150 Miscellaneous Settings Useful in the Lab 151 History Buffer Commands 151 The logging synchronous, exec-timeout, and no ip domain-lookup Commands 152
Chapter Review 153
Chapter 7 Configuring and Verifying Switch Interfaces 158 "Do I Know This Already?" Quiz 158 Foundation Topics 161 Configuring Switch Interface Speed and Duplex 161 IEEE Autonegotiation Concepts 161 Autonegotiation Under Working Conditions 161 Autonegotiation Results When Only One Node Uses Autonegotiation 163 Autonegotiation and LAN Hubs 165 Configuring Autonegotiation, Speed, and Duplex 165 Using Autonegotiation on Cisco Switches 165 Setting Speed and Duplex Manually 169 Using Auto-MDIX on Cisco Switches 170 Managing Switch Interface Configuration 172 The Description and Interface Range Commands 172 Administratively Controlling Interface State with shutdown 173 Removing Configuration with the no Command 174 Analyzing Switch Interface Status and Statistics 176 Interface Status Codes 176 The Duplex Mismatch Issue 177 Common Layer 1 Problems on Working Interfaces 178
Chapter Review 180
Part II Review 184
Part III Implementing VLANs and STP 187
Chapter 8 Implementing Ethernet Virtual LANs 188 "Do I Know This Already?" Quiz 189 Foundation Topics 191 Virtual LAN Concepts 191 Creating Multiswitch VLANs Using Trunking 192 VLAN Tagging Concepts 193 The
802.1Q and ISL VLAN Trunking Protocols 194 Forwarding Data Between VLANs 195 The Need for Routing Between VLANs 195 Routing Packets Between VLANs with a Router 196 VLAN and VLAN Trunking Configuration and Verification 197 Creating VLANs and Assigning Access VLANs to an Interface 197 VLAN Configuration Example
1: Full VLAN Configuration 198 VLAN Configuration Example
2: Shorter VLAN Configuration 201 VLAN Trunking Protocol 201 VLAN Trunking Configuration 203 Implementing Interfaces Connected to Phones 207 Data and Voice VLAN Concepts 208 Data and Voice VLAN Configuration and Verification 209 Summary: IP Telephony Ports on Switches 212 Troubleshooting VLANs and VLAN Trunks 212 Confirm the Correct Access VLAN Is Assigned 213 Access VLANs Undefined or Disabled 213 Mismatched Trunking Operational States 215 The Supported VLAN List on Trunks 217 Mismatched Native VLAN on a Trunk 218
Chapter Review 218
Chapter 9 Spanning Tree Protocol Concepts 222 "Do I Know This Already?" Quiz 223 Foundation Topics 224 STP and RSTP Basics 224 The Need for Spanning Tree 225 What Spanning Tree Does 227 How Spanning Tree Works 228 The STP Bridge ID and Hello BPDU 229 Electing the Root Switch 230 Choosing Each Switch''s Root Port 232 Choosing the Designated Port on Each LAN Segment 234 Configuring to Influence the STP Topology 235 Details Specific to STP (and Not RSTP) 236 STP Activity When the Network Remains Stable 236 STP Timers That Manage STP Convergence 237 Changing Interface States with STP 238 Rapid STP Concepts 239 Comparing STP and RSTP 240 RSTP and the Alternate (Root) Port Role 241 RSTP States and Processes 243 RSTP and the Backup (Designated) Port Role 244 RSTP Port Types 245 Optional STP Features 246 EtherChannel 246 PortFast 247 BPDU Guard 248 BPDU Filter 248 BPDU Filter to Prevent Loops on PortFast Ports 249 BPDU Filter to Disable STP on a Port 249 Root Guard 250 Loop Guard 251
Chapter Review 254
Chapter 10 RSTP and EtherChannel Configuration 256 "Do I Know This Already?" Quiz 256 Foundation Topics 259 Understanding RSTP Through Configuration 259 The Need for Multiple Spanning Trees 260 STP Modes and Standards 260 The Bridge ID and System ID Extension 261 Identifying Switch Priority and the Root Switch 263 Switch Priority and Identifying the Root Switch 263 Switch Priority Using Root Primary and Secondary 265 RSTP (One Tree) and RPVST+ (One Tree P
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