CCNA 200-301 official cert guide : advance your IT career with hands-on learning :

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CCNA 200-301 official cert guide : advance your IT career with hands-on learning

[by] Wendell Odom

Cisco Press, 2020

  • v.2

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Includes index

内容説明・目次

内容説明

Trust the best-selling Official Cert Guide series from Cisco Press to help you learn, prepare, and practice for exam success. It is built with the objective of providing assessment, review, and practice to help ensure you are fully prepared for your certification exam. This book, combined with the CCNA 200-301 Official Cert Guide Volume 1, cover all of exam topics on the CCNA 200-301 exam. CCNA 200-301 Official Cert Guide, Volume 2 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 2 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 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 Key Topic tables, 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 Network Simulator, Volume 2 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 enhance your knowledge * More than 50 minutes of video mentoring from the author * An online interactive Flash Cards application to help you drill on Key Terms by chapter * 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, hands-on labs, and challenging review questions and exercises, this official study guide helps you master the concepts and techniques that ensure your exam success. The CCNA 200-301 Official Cert Guide, Volume 2, combined with CCNA 200-301 Official Cert Guide, Volume 1, walk you through all the exam topics found in the Cisco 200-301 exam. Topics covered in Volume 2 include: * IP access control lists * Security services * IP services * Network architecture * Network automation Companion Website: The companion website contains more than 300 unique practice exam questions, CCNA Network Simulator Lite software, online practice exercises, and 50 minutes of video training. Includes Exclusive Offers For Up to 70% Off Video Training, Practice Tests, and more Pearson Test Prep online system requirements: Browsers: Chrome version 73 and above; Safari version 12 and above; Microsoft Edge 44 and above. Devices: Desktop and laptop computers, tablets running on Android v8.0 and iOS v13, smartphones with a minimum screen size of 4.7". Internet access required. Pearson Test Prep offline system requirements: Windows 10, Windows 8.1; Microsoft .NET Framework 4.5 Client; Pentium-class 1 GHz processor (or equivalent); 512 MB RAM; 650 MB disk space plus 50 MB for each downloaded practice exam; access to the Internet to register and download exam databases 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 activities. These exercises can be performed on the CCNA 200-301 Network Simulator Lite, Volume 2 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 13 free lab exercises, covering ACL topics in Part I: 1. ACL I 2. ACL II 3. ACL III 4. ACL IV 5. ACL V 6. ACL VI 7. ACL Analysis I 8. Named ACL I 9. Named ACL II 10. Named ACL III 11. Standard ACL Configuration Scenario 12. Extended ACL I Configuration Scenario 13. Extended ACL II Configuration Scenario If you are interested in exploring more hands-on labs and practicing configuration and troubleshooting with more router and switch commands, see the special discount offer in the coupon code included in the sleeve in the back of this book. Windows system requirements (minimum): * Windows 10 (32/64-bit), Windows 8.1 (32/64-bit), or Windows 7 (32/64-bit) * 1 gigahertz (GHz) or faster 32-bit (x86) or 64-bit (x64) processor * 1 GB RAM (32-bit) or 2 GB RAM (64-bit) * 16 GB available hard disk space (32-bit) or 20 GB (64-bit) * DirectX 9 graphics device with WDDM 1.0 or higher driver * Adobe Acrobat Reader version 8 and above Mac system requirements (minimum) * macOS 10.14, 10.13, 10.12, or 10.11 * Intel core Duo 1.83 GHz * 512 MB RAM (1 GB recommended) * 1.5 GB hard disk space * 32-bit color depth at 1024x768 resolution * Adobe Acrobat Reader version 8 and above CCNA 200-301 Official Cert Guide, Volume 2 Companion Website Access interactive study tools on this book's companion website, including practice test software, video training, CCNA Network Simulator Lite software, memory table and config checklist review exercises, a Key Term flash card application, a study planner, and more! To access the companion website, simply follow these steps: 1. Go to www.ciscopress.com/register. 2. Enter the print book ISBN: 9781587147135. 3. Answer the security question to validate your purchase. 4. Go to your account page. 5. Click on the Registered Products tab. 6. Under the book listing, click on the Access Bonus Content link. If you have any issues accessing the companion website, you can contact our support team by going to http://pearsonitp.echelp.org. Also available from Cisco Press for CCNA study is the CCNA 200-301 Official Cert Guide Volume 2 Premium Edition eBook and Practice Test . 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

目次

Introduction xxvii Part I IP Access Control Lists 3 Chapter 1 Introduction to TCP/IP Transport and Applications 4 "Do I Know This Already?" Quiz 4 Foundation Topics 6 TCP/IP Layer 4 Protocols: TCP and UDP 6 Transmission Control Protocol 7 Multiplexing Using TCP Port Numbers 7 Popular TCP/IP Applications 10 Connection Establishment and Termination 12 Error Recovery and Reliability 13 Flow Control Using Windowing 15 User Datagram Protocol 16 TCP/IP Applications 16 Uniform Resource Identifiers 17 Finding the Web Server Using DNS 18 Transferring Files with HTTP 20 How the Receiving Host Identifies the Correct Receiving Application 21 Chapter Review 22 Chapter 2 Basic IPv4 Access Control Lists 24 "Do I Know This Already?" Quiz 24 Foundation Topics 26 IPv4 Access Control List Basics 26 ACL Location and Direction 26 Matching Packets 27 Taking Action When a Match Occurs 28 Types of IP ACLs 28 Standard Numbered IPv4 ACLs 29 List Logic with IP ACLs 29 Matching Logic and Command Syntax 31 Matching the Exact IP Address 31 Matching a Subset of the Address with Wildcards 31 Binary Wildcard Masks 33 Finding the Right Wildcard Mask to Match a Subnet 33 Matching Any/All Addresses 34 Implementing Standard IP ACLs 34 Standard Numbered ACL Example 1 35 Standard Numbered ACL Example 2 36 Troubleshooting and Verification Tips 38 Practice Applying Standard IP ACLs 39 Practice Building access-list Commands 39 Reverse Engineering from ACL to Address Range 40 Chapter Review 41 Chapter 3 Advanced IPv4 Access Control Lists 44 "Do I Know This Already?" Quiz 44 Foundation Topics 46 Extended Numbered IP Access Control Lists 46 Matching the Protocol, Source IP, and Destination IP 46 Matching TCP and UDP Port Numbers 48 Extended IP ACL Configuration 51 Extended IP Access Lists: Example 1 51 Extended IP Access Lists: Example 2 53 Practice Building access-list Commands 54 Named ACLs and ACL Editing 54 Named IP Access Lists 54 Editing ACLs Using Sequence Numbers 56 Numbered ACL Configuration Versus Named ACL Configuration 58 ACL Implementation Considerations 59 Additional Reading on ACLs 60 Chapter Review 61 Part I Review 64 Part II Security Services 67 Chapter 4 Security Architectures 68 "Do I Know This Already?" Quiz 68 Foundation Topics 70 Security Terminology 70 Common Security Threats 72 Attacks That Spoof Addresses 72 Denial-of-Service Attacks 73 Reflection and Amplification Attacks 75 Man-in-the-Middle Attacks 76 Address Spoofing Attack Summary 77 Reconnaissance Attacks 77 Buffer Overflow Attacks 78 Malware 78 Human Vulnerabilities 79 Password Vulnerabilities 80 Password Alternatives 80 Controlling and Monitoring User Access 82 Developing a Security Program to Educate Users 83 Chapter Review 84 Chapter 5 Securing Network Devices 86 "Do I Know This Already?" Quiz 86 Foundation Topics 88 Securing IOS Passwords 88 Encrypting Older IOS Passwords with service password-encryption 89 Encoding the Enable Passwords with Hashes 90 Interactions Between Enable Password and Enable Secret 90 Making the Enable Secret Truly Secret with a Hash 91 Improved Hashes for Cisco's Enable Secret 92 Encoding the Passwords for Local Usernames 94 Controlling Password Attacks with ACLs 95 Firewalls and Intrusion Prevention Systems 95 Traditional Firewalls 96 Security Zones 97 Intrusion Prevention Systems (IPS) 99 Cisco Next-Generation Firewalls 100 Cisco Next-Generation IPS 102 Chapter Review 103 Chapter 6 Implementing Switch Port Security 106 "Do I Know This Already?" Quiz 106 Foundation Topics 108 Port Security Concepts and Configuration 108 Configuring Port Security 109 Verifying Port Security 112 Port Security MAC Addresses 113 Port Security Violation Modes 114 Port Security Shutdown Mode 115 Port Security Protect and Restrict Modes 117 Chapter Review 119 Chapter 7 Implementing DHCP 122 "Do I Know This Already?" Quiz 122 Foundation Topics 124 Dynamic Host Configuration Protocol 124 DHCP Concepts 125 Supporting DHCP for Remote Subnets with DHCP Relay 126 Information Stored at the DHCP Server 128 Configuring DHCP Features on Routers and Switches 129 Configuring DHCP Relay 130 Configuring a Switch as DHCP Client 130 Configuring a Router as DHCP Client 132 Identifying Host IPv4 Settings 133 Host Settings for IPv4 133 Host IP Settings on Windows 134 Host IP Settings on macOS 136 Host IP Settings on Linux 138 Chapter Review 140 Chapter 8 DHCP Snooping and ARP Inspection 144 "Do I Know This Already?" Quiz 144 Foundation Topics 146 DHCP Snooping 146 DHCP Snooping Concepts 146 A Sample Attack: A Spurious DHCP Server 147 DHCP Snooping Logic 148 Filtering DISCOVER Messages Based on MAC Address 150 Filtering Messages that Release IP Addresses 150 DHCP Snooping Configuration 152 Configuring DHCP Snooping on a Layer 2 Switch 152 Limiting DHCP Message Rates 154 DHCP Snooping Configuration Summary 155 Dynamic ARP Inspection 156 DAI Concepts 156 Review of Normal IP ARP 156 Gratuitous ARP as an Attack Vector 157 Dynamic ARP Inspection Logic 158 Dynamic ARP Inspection Configuration 160 Configuring ARP Inspection on a Layer 2 Switch 160 Limiting DAI Message Rates 163 Configuring Optional DAI Message Checks 164 IP ARP Inspection Configuration Summary 165 Chapter Review 166 Part II Review 168 Part III IP Services 171 Chapter 9 Device Management Protocols 172 "Do I Know This Already?" Quiz 172 Foundation Topics 174 System Message Logging (Syslog) 174 Sending Messages in Real Time to Current Users 174 Storing Log Messages for Later Review 175 Log Message Format 176 Log Message Severity Levels 177 Configuring and Verifying System Logging 178 The debug Command and Log Messages 180 Network Time Protocol (NTP) 181 Setting the Time and Timezone 182 Basic NTP Configuration 183 NTP Reference Clock and Stratum 185 Redundant NTP Configuration 186 NTP Using a Loopback Interface for Better Availability 188 Analyzing Topology Using CDP and LLDP 190 Examining Information Learned by CDP 190 Configuring and Verifying CDP 193 Examining Information Learned by LLDP 194 Configuring and Verifying LLDP 197 Chapter Review 199 Chapter 10 Network Address Translation 202 "Do I Know This Already?" Quiz 202 Foundation Topics 204 Perspectives on IPv4 Address Scalability 204 CIDR 205 Private Addressing 206 Network Address Translation Concepts 207 Static NAT 208 Dynamic NAT 210 Overloading NAT with Port Address Translation 211 NAT Configuration and Troubleshooting 213 Static NAT Configuration 213 Dynamic NAT Configuration 215 Dynamic NAT Verification 217 NAT Overload (PAT) Configuration 219 NAT Troubleshooting 222 Chapter Review 223 Chapter 11 Quality of Service (QoS) 226 "Do I Know This Already?" Quiz 226 Foundation Topics 228 Introduction to QoS 228 QoS: Managing Bandwidth, Delay, Jitter, and Loss 228 Types of Traffic 229 Data Applications 229 Voice and Video Applications 230 QoS as Mentioned in This Book 232 QoS on Switches and Routers 233 Classification and Marking 233 Classification Basics 233 Matching (Classification) Basics 234 Classification on Routers with ACLs and NBAR 235 Marking IP DSCP and Ethernet CoS 236 Marking the IP Header 237 Marking the Ethernet 802.1Q Header 237 Other Marking Fields 238 Defining Trust Boundaries 238 DiffServ Suggested Marking Values 239 Expedited Forwarding (EF) 240 Assured Forwarding (AF) 240 Class Selector (CS) 241 Guidelines for DSCP Marking Values 241 Queuing 242 Round-Robin Scheduling (Prioritization) 243 Low Latency Queuing 243 A Prioritization Strategy for Data, Voice, and Video 245 Shaping and Policing 245 Policing 246 Where to Use Policing 246 Shaping 248 Setting a Good Shaping Time Interval for Voice and Video 249 Congestion Avoidance 250 TCP Windowing Basics 250 Congestion Avoidance Tools 251 Chapter Review 252 Chapter 12 Miscellaneous IP Services 254 "Do I Know This Already?" Quiz 254 Foundation Topics 256 First Hop Redundancy Protocol 256 The Need for Redundancy in Networks 257 The Need for a First Hop Redundancy Protocol 259 The Three Solutions for First-Hop Redundancy 260 HSRP Concepts 261 HSRP Failover 261 HSRP Load Balancing 262 Simple Network Management Protocol 263 SNMP Variable Reading and Writing: SNMP Get and Set 264 SNMP Notifications: Traps and Informs 265 The Management Information Base 266 Securing SNMP 267 FTP and TFTP 268 Managing Cisco IOS Images with FTP/TFTP 268 The IOS File System 268 Upgrading IOS Images 270 Copying a New IOS Image to a Local IOS File System Using TFTP 271 Verifying IOS Code Integrity with MD5 273 Copying Images with FTP 273 The FTP and TFTP Protocols 275 FTP Protocol Basics 275 FTP Active and Passive Modes 276 FTP over TLS (FTP Secure) 278 TFTP Protocol Basics 279 Chapter Review 280 Part III Review 284 Part IV Network Architecture 287 Chapter 13 LAN Architecture 288 "Do I Know This Already?" Quiz 288 Foundation Topics 290 Analyzing Campus LAN Topologies 290 Two-Tier Campus Design (Collapsed Core) 290 The Two-Tier Campus Design 290 Topology Terminology Seen Within a Two-Tier Design 291 Three-Tier Campus Design (Core) 293 Topology Design Terminology 295 Small Office/Home Office 295 Power over Ethernet (PoE) 297 PoE Basics 297 PoE Operation 298 PoE and LAN Design 299 Chapter Review 300 Chapter 14 WAN Architecture 302 "Do I Know This Already?" Quiz 302 Foundation Topics 304 Metro Ethernet 304 Metro Ethernet Physical Design and Topology 305 Ethernet WAN Services and Topologies 306 Ethernet Line Service (Point-to-Point) 307 Ethernet LAN Service (Full Mesh) 308 Ethernet Tree Service (Hub and Spoke) 309 Layer 3 Design Using Metro Ethernet 309 Layer 3 Design with E-Line Service 309 Layer 3 Design with E-LAN Service 311 Multiprotocol Label Switching (MPLS) 311 MPLS VPN Physical Design and Topology 313 MPLS and Quality of Service 314 Layer 3 with MPLS VPN 315 Internet VPNs 317 Internet Access 317 Digital Subscriber Line 318 Cable Internet 319 Wireless WAN (3G, 4G, LTE, 5G) 320 Fiber (Ethernet) Internet Access 321 Internet VPN Fundamentals 321 Site-to-Site VPNs with IPsec 322 Remote Access VPNs with TLS 324 VPN Comparisons 326 Chapter Review 326 Chapter 15 Cloud Architecture 328 "Do I Know This Already?" Quiz 328 Foundation Topics 330 Server Virtualization 330 Cisco Server Hardware 330 Server Virtualization Basics 331 Networking with Virtual Switches on a Virtualized Host 333 The Physical Data Center Network 334 Workflow with a Virtualized Data Center 335 Cloud Computing Services 336 Private Cloud (On-Premise) 337 Public Cloud 338 Cloud and the "As a Service" Model 339 Infrastructure as a Service 339 Software as a Service 341 (Development) Platform as a Service 341 WAN Traffic Paths to Reach Cloud Services 342 Enterprise WAN Connections to Public Cloud 342 Accessing Public Cloud Services Using the Internet 342 Pros and Cons with Connecting to Public Cloud with Internet 343 Private WAN and Internet VPN Access to Public Cloud 344 Pros and Cons of Connecting to Cloud with Private WANs 345 Intercloud Exchanges 346 Summarizing the Pros and Cons of Public Cloud WAN Options 346 A Scenario: Branch Offices and the Public Cloud 347 Migrating Traffic Flows When Migrating to Email SaaS 347 Branch Offices with Internet and Private WAN 349 Chapter Review 350 Part IV Review 352 Part V Network Automation 355 Chapter 16 Introduction to Controller-Based Networking 356 "Do I Know This Already?" Quiz 357 Foundation Topics 358 SDN and Controller-Based Networks 358 The Data, Control, and Management Planes 358 The Data Plane 359 The Control Plane 360 The Management Plane 361 Cisco Switch Data Plane Internals 361 Controllers and Software-Defined Architecture 362 Controllers and Centralized Control 363 The Southbound Interface 364 The Northbound Interface 365 Software Defined Architecture Summary 367 Examples of Network Programmability and SDN 367 OpenDaylight and OpenFlow 367 The OpenDaylight Controller 368 The Cisco Open SDN Controller (OSC) 369 Cisco Application Centric Infrastructure (ACI) 369 ACI Physical Design: Spine and Leaf 370 ACI Operating Model with Intent-Based Networking 371 Cisco APIC Enterprise Module 373 APIC-EM Basics 373 APIC-EM Replacement 374 Summary of the SDN Examples 375 Comparing Traditional Versus Controller-Based Networks 375 How Automation Impacts Network Management 376 Comparing Traditional Networks with Controller-Based Networks 378 Chapter Review 379 Chapter 17 Cisco Software-Defined Access (SDA) 382 "Do I Know This Already?" Quiz 383 Foundation Topics 384 SDA Fabric, Underlay, and Overlay 384 The SDA Underlay 386 Using Existing Gear for the SDA Underlay 386 Using New Gear for the SDA Underlay 387 The SDA Overlay 390 VXLAN Tunnels in the Overlay (Data Plane) 390 LISP for Overlay Discovery and Location (Control Plane) 392 DNA Center and SDA Operation 395 Cisco DNA Center 395 Cisco DNA Center and Scalable Groups 396 Issues with Traditional IP-Based Security 397 SDA Security Based on User Groups 398 DNA Center as a Network Management Platform 400 DNA Center Similarities to Traditional Management 401 DNA Center Differences with Traditional Management 402 Chapter Review 403 Chapter 18 Understanding REST and JSON 406 "Do I Know This Already?" Quiz 406 Foundation Topics 408 REST-Based APIs 408 REST-Based (RESTful) APIs 408 Client/Server Architecture 409 Stateless Operation 410 Cacheable (or Not) 410 Background: Data and Variables 410 Simple Variables 410 List and Dictionary Variables 411 REST APIs and HTTP 413 Software CRUD Actions and HTTP Verbs 413 Using URIs with HTTP to Specify the Resource 414 Example of REST API Call to DNA Center 417 Data Serialization and JSON 418 The Need for a Data Model with APIs 419 Data Serialization Languages 421 JSON 421 XML 421 YAML 422 S

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