CCNA 200-301 Official Cert Guide Library, 1/e

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Volume 1: CCNA 200-301 Official Cert Guide
	Cover
	Title Page
	Copyright Page
	About the Author
	About the Contributing Author
	About the Technical Reviewer
	Acknowledgments
	Contents at a Glance
	Contents
	Introduction
	Your Study Plan
		A Brief Perspective on Cisco Certification Exams
		Five Study Plan Steps
			Step 1: Think in Terms of Parts and Chapters
			Step 2: Build Your Study Habits Around the Chapter
			Step 3: Use Book Parts for Major Milestones
			Step 4: Use Volume 2’s Final Review Chapter
			Step 5: Set Goals and Track Your Progress
		Things to Do Before Starting the First Chapter
			Bookmark the Companion Website
			Bookmark/Install Pearson Test Prep
			Understand This Book’s PTP Databases and Modes
			Practice Viewing Per-Chapter DIKTA Questions
			Practice Viewing Per-Part Review Questions
			Join the Cisco Learning Network CCNA Study Group
		Getting Started: Now
	Part I: Introduction to Networking
		Chapter 1 Introduction to TCP/IP Networking
			“Do I Know This Already?” Quiz
			Foundation Topics
			Perspectives on Networking
			TCP/IP Networking Model
				History Leading to TCP/IP
				Overview of the TCP/IP Networking Model
				TCP/IP Application Layer
					HTTP Overview
					HTTP Protocol Mechanisms
				TCP/IP Transport Layer
					TCP Error Recovery Basics
					Same-Layer and Adjacent-Layer Interactions
				TCP/IP Network Layer
					Internet Protocol and the Postal Service
					Internet Protocol Addressing Basics
					IP Routing Basics
				TCP/IP Data-Link and Physical Layers
			Data Encapsulation Terminology
				Names of TCP/IP Messages
				OSI Networking Model and Terminology
					Comparing OSI and TCP/IP Layer Names and Numbers
					OSI Data Encapsulation Terminology
			Chapter Review
		Chapter 2 Fundamentals of Ethernet LANs
			“Do I Know This Already?” Quiz
			Foundation Topics
			An Overview of LANs
				Typical SOHO LANs
				Typical Enterprise LANs
				The Variety of Ethernet Physical Layer Standards
				Consistent Behavior over All Links Using the Ethernet Data-Link Layer
			Building Physical Ethernet LANs with UTP
				Transmitting Data Using Twisted Pairs
				Breaking Down a UTP Ethernet Link
				UTP Cabling Pinouts for 10BASE-T and 100BASE-T
					Straight-Through Cable Pinout
					Choosing the Right Cable Pinouts
				UTP Cabling Pinouts for 1000BASE-T
			Building Physical Ethernet LANs with Fiber
				Fiber Cabling Transmission Concepts
				Using Fiber with Ethernet
			Sending Data in Ethernet Networks
				Ethernet Data-Link Protocols
					Ethernet Addressing
					Identifying Network Layer Protocols with the Ethernet Type Field
					Error Detection with FCS
				Sending Ethernet Frames with Switches and Hubs
					Sending in Modern Ethernet LANs Using Full Duplex
					Using Half Duplex with LAN Hubs
			Chapter Review
		Chapter 3 Fundamentals of WANs and IP Routing
			“Do I Know This Already?” Quiz
			Foundation Topics
			Wide-Area Networks
				Leased-Line WANs
					Physical Details of Leased Lines
					HDLC Data-Link Details of Leased Lines
					How Routers Use a WAN Data Link
				Ethernet as a WAN Technology
					Ethernet WANs That Create a Layer 2 Service
					How Routers Route IP Packets Using Ethernet Emulation
			IP Routing
				Network Layer Routing (Forwarding) Logic
					Host Forwarding Logic: Send the Packet to the Default Router
					R1 and R2’s Logic: Routing Data Across the Network
					R3’s Logic: Delivering Data to the End Destination
				How Network Layer Routing Uses LANs and WANs
				How IP Addressing Helps IP Routing
					Rules for Groups of IP Addresses (Networks and Subnets)
					The IP Header
				How IP Routing Protocols Help IP Routing
			Other Network Layer Features
				Using Names and the Domain Name System
				The Address Resolution Protocol
				ICMP Echo and the ping Command
			Chapter Review
		Part I: Review
	Part II: Implementing Ethernet LANs
		Chapter 4 Using the Command-Line Interface
			“Do I Know This Already?” Quiz
			Foundation Topics
			Accessing the Cisco Catalyst Switch CLI
				Cisco Catalyst Switches
				Accessing the Cisco IOS CLI
					Cabling the Console Connection
					Accessing the CLI with Telnet and SSH
					User and Enable (Privileged) Modes
					Password Security for CLI Access from the Console
				CLI Help Features
				The debug and show Commands
			Configuring Cisco IOS Software
				Configuration Submodes and Contexts
				Storing Switch Configuration Files
				Copying and Erasing Configuration Files
			Chapter Review
		Chapter 5 Analyzing Ethernet LAN Switching
			“Do I Know This Already?” Quiz
			Foundation Topics
			LAN Switching Concepts
				Overview of Switching Logic
				Forwarding Known Unicast Frames
				Learning MAC Addresses
				Flooding Unknown Unicast and Broadcast Frames
				Avoiding Loops Using Spanning Tree Protocol
				LAN Switching Summary
			Verifying and Analyzing Ethernet Switching
				Demonstrating MAC Learning
				Switch Interfaces
				Finding Entries in the MAC Address Table
				Managing the MAC Address Table (Aging, Clearing)
				MAC Address Tables with Multiple Switches
			Chapter Review
		Chapter 6 Configuring Basic Switch Management
			“Do I Know This Already?” Quiz
			Foundation Topics
			Securing the Switch CLI
				Securing User Mode and Privileged Mode with Simple Passwords
				Securing User Mode Access with Local Usernames and Passwords
				Securing User Mode Access with External Authentication Servers
				Securing Remote Access with Secure Shell
			Enabling IPv4 for Remote Access
				Host and Switch IP Settings
				Configuring IPv4 on a Switch
				Configuring a Switch to Learn Its IP Address with DHCP
				Verifying IPv4 on a Switch
			Miscellaneous Settings Useful in the Lab
				History Buffer Commands
				The logging synchronous, exec-timeout, and no ip domain-lookup Commands
			Chapter Review
		Chapter 7 Configuring and Verifying Switch Interfaces
			“Do I Know This Already?” Quiz
			Foundation Topics
			Configuring Switch Interfaces
				Configuring Speed, Duplex, and Description
				Configuring Multiple Interfaces with the interface range Command
				Administratively Controlling Interface State with shutdown
				Removing Configuration with the no Command
				Autonegotiation
					Autonegotiation Under Working Conditions
					Autonegotiation Results When Only One Node Uses Autonegotiation
					Autonegotiation and LAN Hubs
			Analyzing Switch Interface Status and Statistics
				Interface Status Codes and Reasons for Nonworking States
				Interface Speed and Duplex Issues
				Common Layer 1 Problems on Working Interfaces
			Chapter Review
		Part II: Review
	Part III: Implementing VLANs and STP
		Chapter 8 Implementing Ethernet Virtual LANs
			“Do I Know This Already?” Quiz
			Foundation Topics
			Virtual LAN Concepts
				Creating Multiswitch VLANs Using Trunking
					VLAN Tagging Concepts
					The 802.1Q and ISL VLAN Trunking Protocols
				Forwarding Data Between VLANs
					The Need for Routing Between VLANs
					Routing Packets Between VLANs with a Router
			VLAN and VLAN Trunking Configuration and Verification
			Creating VLANs and Assigning Access VLANs to an Interface
				VLAN Configuration Example 1: Full VLAN Configuration
				VLAN Configuration Example 2: Shorter VLAN Configuration
			VLAN Trunking Protocol
			VLAN Trunking Configuration
				Implementing Interfaces Connected to Phones
					Data and Voice VLAN Concepts
					Data and Voice VLAN Configuration and Verification
					Summary: IP Telephony Ports on Switches
			Troubleshooting VLANs and VLAN Trunks
				Access VLANs Undefined or Disabled
				Mismatched Trunking Operational States
				The Supported VLAN List on Trunks
				Mismatched Native VLAN on a Trunk
			Chapter Review
		Chapter 9 Spanning Tree Protocol Concepts
			“Do I Know This Already?” Quiz
			Foundation Topics
			STP and RSTP Basics
				The Need for Spanning Tree
				What Spanning Tree Does
				How Spanning Tree Works
					The STP Bridge ID and Hello BPDU
					Electing the Root Switch
						Choosing Each Switch’s Root Port
						Choosing the Designated Port on Each LAN Segment
					Configuring to Influence the STP Topology
			Details Specific to STP (and Not RSTP)
				STP Activity When the Network Remains Stable
				STP Timers That Manage STP Convergence
				Changing Interface States with STP
			Rapid STP Concepts
				Comparing STP and RSTP
				RSTP and the Alternate (Root) Port Role
				RSTP States and Processes
				RSTP and the Backup (Designated) Port Role
				RSTP Port Types
				Optional STP Features
					EtherChannel
					PortFast
					BPDU Guard
			Chapter Review
		Chapter 10 RSTP and EtherChannel Configuration
			“Do I Know This Already?” Quiz
			Foundation Topics
			Understanding RSTP Through Configuration
				The Need for Multiple Spanning Trees
				STP Modes and Standards
				The Bridge ID and System ID Extension
				How Switches Use the Priority and System ID Extension
				RSTP Methods to Support Multiple Spanning Trees
				Other RSTP Configuration Options
			Configuring Layer 2 EtherChannel
				Configuring a Manual Layer 2 EtherChannel
				Configuring Dynamic EtherChannels
				Physical Interface Configuration and EtherChannels
				EtherChannel Load Distribution
					Configuration Options for EtherChannel Load Distribution
					The Effects of the EtherChannel Load Distribution Algorithm
			Chapter Review
		Part III: Review
	Part IV: IPv4 Addressing
		Chapter 11 Perspectives on IPv4 Subnetting
			“Do I Know This Already?” Quiz
			Foundation Topics
			Introduction to Subnetting
				Subnetting Defined Through a Simple Example
				Operational View Versus Design View of Subnetting
			Analyze Subnetting and Addressing Needs
				Rules About Which Hosts Are in Which Subnet
				Determining the Number of Subnets
				Determining the Number of Hosts per Subnet
				One Size Subnet Fits All—Or Not
					Defining the Size of a Subnet
					One Size Subnet Fits All
					Multiple Subnet Sizes (Variable-Length Subnet Masks)
					One Mask for All Subnets, or More Than One
			Make Design Choices
				Choose a Classful Network
					Public IP Networks
					Growth Exhausts the Public IP Address Space
					Private IP Networks
					Choosing an IP Network During the Design Phase
				Choose the Mask
					Classful IP Networks Before Subnetting
					Borrowing Host Bits to Create Subnet Bits
					Choosing Enough Subnet and Host Bits
					Example Design: 172.16.0.0, 200 Subnets, 200 Hosts
					Masks and Mask Formats
				Build a List of All Subnets
			Plan the Implementation
				Assigning Subnets to Different Locations
				Choose Static and Dynamic Ranges per Subnet
			Chapter Review
		Chapter 12 Analyzing Classful IPv4 Networks
			“Do I Know This Already?” Quiz
			Foundation Topics
			Classful Network Concepts
				IPv4 Network Classes and Related Facts
					The Number and Size of the Class A, B, and C Networks
					Address Formats
					Default Masks
				Number of Hosts per Network
				Deriving the Network ID and Related Numbers
				Unusual Network IDs and Network Broadcast Addresses
			Practice with Classful Networks
				Practice Deriving Key Facts Based on an IP Address
				Practice Remembering the Details of Address Classes
			Chapter Review
		Chapter 13 Analyzing Subnet Masks
			“Do I Know This Already?” Quiz
			Foundation Topics
			Subnet Mask Conversion
				Three Mask Formats
				Converting Between Binary and Prefix Masks
				Converting Between Binary and DDN Masks
				Converting Between Prefix and DDN Masks
				Practice Converting Subnet Masks
			Identifying Subnet Design Choices Using Masks
				Masks Divide the Subnet’s Addresses into Two Parts
				Masks and Class Divide Addresses into Three Parts
				Classless and Classful Addressing
				Calculations Based on the IPv4 Address Format
				Practice Analyzing Subnet Masks
			Chapter Review
		Chapter 14 Analyzing Existing Subnets
			“Do I Know This Already?” Quiz
			Foundation Topics
			Defining a Subnet
				An Example with Network 172.16.0.0 and Four Subnets
				Subnet ID Concepts
				Subnet Broadcast Address
				Range of Usable Addresses
			Analyzing Existing Subnets: Binary
				Finding the Subnet ID: Binary
				Finding the Subnet Broadcast Address: Binary
				Binary Practice Problems
				Shortcut for the Binary Process
				Brief Note About Boolean Math
				Finding the Range of Addresses
			Analyzing Existing Subnets: Decimal
				Analysis with Easy Masks
				Predictability in the Interesting Octet
				Finding the Subnet ID: Difficult Masks
					Resident Subnet Example 1
					Resident Subnet Example 2
					Resident Subnet Practice Problems
				Finding the Subnet Broadcast Address: Difficult Masks
					Subnet Broadcast Example 1
					Subnet Broadcast Example 2
					Subnet Broadcast Address Practice Problems
			Practice Analyzing Existing Subnets
				A Choice: Memorize or Calculate
			Chapter Review
		Part IV: Review
	Part V: IPv4 Routing
		Chapter 15 Operating Cisco Routers
			“Do I Know This Already?” Quiz
			Foundation Topics
			Installing Cisco Routers
				Installing Enterprise Routers
					Cisco Integrated Services Routers
					Physical Installation
				Installing SOHO Routers
			Enabling IPv4 Support on Cisco Router Interfaces
				Accessing the Router CLI
				Router Interfaces
					Interface Status Codes
					Router Interface IP Addresses
					Bandwidth and Clock Rate on Serial Interfaces
				Router Auxiliary Port
			Chapter Review
		Chapter 16 Configuring IPv4 Addresses and Static Routes
			“Do I Know This Already?” Quiz
			Foundation Topics
			IP Routing
				IPv4 Routing Process Reference
				An Example of IP Routing
					Host Forwards the IP Packet to the Default Router (Gateway)
					Routing Step 1: Decide Whether to Process the Incoming Frame
					Routing Step 2: De-encapsulation of the IP Packet
					Routing Step 3: Choosing Where to Forward the Packet
					Routing Step 4: Encapsulating the Packet in a New Frame
					Routing Step 5: Transmitting the Frame
			Configuring IP Addresses and Connected Routes
				Connected Routes and the ip address Command
				The ARP Table on a Cisco Router
			Configuring Static Routes
				Static Network Routes
				Static Host Routes
				Floating Static Routes
				Static Default Routes
				Troubleshooting Static Routes
					Troubleshooting Incorrect Static Routes That Appear in the IP Routing Table
					The Static Route Does Not Appear in the IP Routing Table
					The Correct Static Route Appears but Works Poorly
			IP Forwarding with the Longest Prefix Match
				Using show ip route to Find the Best Route
				Using show ip route address to Find the Best Route
				Interpreting the IP Routing Table
			Chapter Review
		Chapter 17 IP Routing in the LAN
			“Do I Know This Already?” Quiz
			Foundation Topics
			VLAN Routing with Router 802.1Q Trunks
				Configuring ROAS
				Verifying ROAS
				Troubleshooting ROAS
			VLAN Routing with Layer 3 Switch SVIs
				Configuring Routing Using Switch SVIs
				Verifying Routing with SVIs
				Troubleshooting Routing with SVIs
			VLAN Routing with Layer 3 Switch Routed Ports
				Implementing Routed Interfaces on Switches
				Implementing Layer 3 EtherChannels
				Troubleshooting Layer 3 EtherChannels
			Chapter Review
		Chapter 18 Troubleshooting IPv4 Routing
			“Do I Know This Already?” Quiz
			Foundation Topics
			Problem Isolation Using the ping Command
				Ping Command Basics
				Strategies and Results When Testing with the ping Command
					Testing Longer Routes from Near the Source of the Problem
					Using Extended Ping to Test the Reverse Route
					Testing LAN Neighbors with Standard Ping
					Testing LAN Neighbors with Extended Ping
					Testing WAN Neighbors with Standard Ping
				Using Ping with Names and with IP Addresses
			Problem Isolation Using the traceroute Command
				traceroute Basics
					How the traceroute Command Works
					Standard and Extended traceroute
			Telnet and SSH
				Common Reasons to Use the IOS Telnet and SSH Client
				IOS Telnet and SSH Examples
			Chapter Review
		Part V: Review
	Part VI: OSPF
		Chapter 19 Understanding OSPF Concepts
			“Do I Know This Already?” Quiz
			Foundation Topics
			Comparing Dynamic Routing Protocol Features
				Routing Protocol Functions
				Interior and Exterior Routing Protocols
				Comparing IGPs
					IGP Routing Protocol Algorithms
					Metrics
					Other IGP Comparisons
				Administrative Distance
			OSPF Concepts and Operation
				OSPF Overview
					Topology Information and LSAs
					Applying Dijkstra SPF Math to Find the Best Routes
				Becoming OSPF Neighbors
					The Basics of OSPF Neighbors
					Meeting Neighbors and Learning Their Router ID
				Exchanging the LSDB Between Neighbors
					Fully Exchanging LSAs with Neighbors
					Maintaining Neighbors and the LSDB
					Using Designated Routers on Ethernet Links
				Calculating the Best Routes with SPF
			OSPF Areas and LSAs
				OSPF Areas
				How Areas Reduce SPF Calculation Time
				(OSPFv2) Link-State Advertisements
					Router LSAs Build Most of the Intra-Area Topology
					Network LSAs Complete the Intra-Area Topology
			Chapter Review
		Chapter 20 Implementing OSPF
			“Do I Know This Already?” Quiz
			Foundation Topics
			Implementing Single-Area OSPFv2
				OSPF Single-Area Configuration
				Wildcard Matching with the network Command
				Verifying OSPF Operation
				Verifying OSPF Configuration
				Configuring the OSPF Router ID
				Implementing Multiarea OSPF
			Using OSPFv2 Interface Subcommands
				OSPF Interface Configuration Example
					Verifying OSPF Interface Configuration
			Additional OSPFv2 Features
				OSPF Passive Interfaces
				OSPF Default Routes
				OSPF Metrics (Cost)
					Setting the Cost Directly
					Setting the Cost Based on Interface and Reference Bandwidth
				OSPF Load Balancing
			Chapter Review
		Chapter 21 OSPF Network Types and Neighbors
			“Do I Know This Already?” Quiz
			Foundation Topics
			OSPF Network Types
				The OSPF Broadcast Network Type
					Verifying Operations with Network Type Broadcast
					Configuring to Influence the DR/BDR Election
				The OSPF Point-to-Point Network Type
			OSPF Neighbor Relationships
				OSPF Neighbor Requirements
				Issues That Prevent Neighbor Adjacencies
					Finding Area Mismatches
					Finding Duplicate OSPF Router IDs
					Finding OSPF Hello and Dead Timer Mismatches
					Shutting Down the OSPF Process
				Issues That Allow Adjacencies but Prevent IP Routes
					Mismatched MTU Settings
					Mismatched OSPF Network Types
			Chapter Review
		Part VI: Review
	Part VII: IP Version 6
		Chapter 22 Fundamentals of IP Version 6
			“Do I Know This Already?” Quiz
			Foundation Topics
			Introduction to IPv6
				The Historical Reasons for IPv6
				The IPv6 Protocols
				IPv6 Routing
				IPv6 Routing Protocols
			IPv6 Addressing Formats and Conventions
				Representing Full (Unabbreviated) IPv6 Addresses
				Abbreviating and Expanding IPv6 Addresses
					Abbreviating IPv6 Addresses
					Expanding Abbreviated IPv6 Addresses
				Representing the Prefix Length of an Address
				Calculating the IPv6 Prefix (Subnet ID)
				Finding the IPv6 Prefix
				Working with More-Difficult IPv6 Prefix Lengths
			Chapter Review
		Chapter 23 IPv6 Addressing and Subnetting
			“Do I Know This Already?” Quiz
			Foundation Topics
			Global Unicast Addressing Concepts
				Public and Private IPv6 Addresses
				The IPv6 Global Routing Prefix
				Address Ranges for Global Unicast Addresses
				IPv6 Subnetting Using Global Unicast Addresses
					Deciding Where IPv6 Subnets Are Needed
					The Mechanics of Subnetting IPv6 Global Unicast Addresses
					Listing the IPv6 Subnet Identifier
					List All IPv6 Subnets
					Assign Subnets to the Internetwork Topology
				Assigning Addresses to Hosts in a Subnet
			Unique Local Unicast Addresses
				Subnetting with Unique Local IPv6 Addresses
				The Need for Globally Unique Local Addresses
			Chapter Review
		Chapter 24 Implementing IPv6 Addressing on Routers
			“Do I Know This Already?” Quiz
			Foundation Topics
			Implementing Unicast IPv6 Addresses on Routers
				Static Unicast Address Configuration
					Configuring the Full 128-Bit Address
					Enabling IPv6 Routing
					Verifying the IPv6 Address Configuration
					Generating a Unique Interface ID Using Modified EUI-64
				Dynamic Unicast Address Configuration
			Special Addresses Used by Routers
			Link-Local Addresses
				Link-Local Address Concepts
				Creating Link-Local Addresses on Routers
				Routing IPv6 with Only Link-Local Addresses on an Interface
			IPv6 Multicast Addresses
				Reserved Multicast Addresses
				Multicast Address Scopes
				Solicited-Node Multicast Addresses
			Miscellaneous IPv6 Addresses
			Anycast Addresses
			IPv6 Addressing Configuration Summary
			Chapter Review
		Chapter 25 Implementing IPv6 Routing
			“Do I Know This Already?” Quiz
			Foundation Topics
			Connected and Local IPv6 Routes
				Rules for Connected and Local Routes
				Example of Connected IPv6 Routes
				Examples of Local IPv6 Routes
				Static IPv6 Routes
					Static Routes Using the Outgoing Interface
					Static Routes Using Next-Hop IPv6 Address
						Example Static Route with a Global Unicast Next-Hop Address
						Example Static Route with a Link-Local Next-Hop Address
						Static Routes over Ethernet Links
					Static Default Routes
					Static IPv6 Host Routes
					Floating Static IPv6 Routes
					Troubleshooting Static IPv6 Routes
						Troubleshooting Incorrect Static Routes That Appear in the IPv6 Routing Table
						The Static Route Does Not Appear in the IPv6 Routing Table
			The Neighbor Discovery Protocol
				Discovering Neighbor Link Addresses with NDP NS and NA
				Discovering Routers with NDP RS and RA
				Using SLAAC with NDP RS and RA
				Discovering Duplicate Addresses Using NDP NS and NA
				NDP Summary
			Chapter Review
		Part VII: Review
	Part VIII: Wireless LANs
		Chapter 26 Fundamentals of Wireless Networks
			“Do I Know This Already?” Quiz
			Foundation Topics
			Comparing Wired and Wireless Networks
			Wireless LAN Topologies
				Basic Service Set
				Distribution System
				Extended Service Set
				Independent Basic Service Set
			Other Wireless Topologies
				Repeater
				Workgroup Bridge
				Outdoor Bridge
				Mesh Network
			RF Overview
				Wireless Bands and Channels
				APs and Wireless Standards
			Chapter Review
		Chapter 27 Analyzing Cisco Wireless Architectures
			“Do I Know This Already?” Quiz
			Foundation Topics
			Autonomous AP Architecture
			Cloud-based AP Architecture
			Split-MAC Architectures
			Comparing Wireless LAN Controller Deployments
				Cisco AP Modes
			Chapter Review
		Chapter 28 Securing Wireless Networks
			“Do I Know This Already?” Quiz
			Foundation Topics
			Anatomy of a Secure Connection
				Authentication
				Message Privacy
				Message Integrity
			Wireless Client Authentication Methods
				Open Authentication
				WEP
				802.1x/EAP
					LEAP
					EAP-FAST
					PEAP
					EAP-TLS
			Wireless Privacy and Integrity Methods
				TKIP
				CCMP
				GCMP
			WPA, WPA2, and WPA3
			Chapter Review
		Chapter 29 Building a Wireless LAN
			“Do I Know This Already?” Quiz
			Foundation Topics
			Connecting a Cisco AP
			Accessing a Cisco WLC
			Connecting a Cisco WLC
				Using WLC Ports
				Using WLC Interfaces
			Configuring a WLAN
				Step 1. Configure a RADIUS Server
				Step 2. Create a Dynamic Interface
				Step 3. Create a New WLAN
				Configuring WLAN Security
				Configuring WLAN QoS
				Configuring Advanced WLAN Settings
				Finalizing WLAN Configuration
			Chapter Review
		Part VIII: Review
	Part IX: Appendixes
		Appendix A: Numeric Reference Tables
		Appendix B: CCNA 200-301, Volume 1 Exam Updates
		Appendix C: Answers to the “Do I Know This Already?” Quizzes
	Glossary
		A
		B
		C
		D
		E
		F
		G
		H
		I
		K-L
		M
		N
		O
		P
		Q-R
		S
		T
		U
		V
		W
		Z
	Index
		A
		B
		C
		D
		E
		F
		G
		H
		I
		J-K
		L
		M
		N
		O
		P
		Q-R
		S
		T
		U
		V
		W-X-Y-Z
	Online Appendixes
		Appendix D: Practice for Chapter 12: Analyzing Classful IPv4 Networks
		Appendix E: Practice for Chapter 13: Analyzing Subnet Masks
		Appendix F: Practice for Chapter 14: Analyzing Existing Subnets
		Appendix G: Practice for Chapter 22: Fundamentals of IP Version 6
		Appendix H: Practice for Chapter 24: Implementing IPv6 Addressing on Routers
		Appendix I: Study Planner
		Appendix J: Topics from Previous Editions
		Appendix K: Analyzing Ethernet LAN Designs
		Appendix L: Subnet Design
		Appendix M: Practice for Appendix L: Subnet Design
		Appendix N: Variable-Length Subnet Masks
		Appendix O: Spanning Tree Protocol Implementation
		Appendix P: LAN Troubleshooting
		Appendix Q: Troubleshooting IPv4 Routing Protocols
		Appendix R: Exam Topics Cross Reference
Volume 2: CCNA 200-301 Official Cert Guide
	Cover
	Title Page
	Copyright Page
	About the Author
	About the Contributing Author
	About the Technical Reviewer
	Acknowledgments
	Contents at a Glance
	Reader Services
	Icons Used in This Book
	Command Syntax Conventions
	Contents
	Introduction
	Part I: IP Access Control Lists
		Chapter 1 Introduction to TCP/IP Transport and Applications
			“Do I Know This Already?” Quiz
			Foundation Topics
			TCP/IP Layer 4 Protocols: TCP and UDP
				Transmission Control Protocol
					Multiplexing Using TCP Port Numbers
					Popular TCP/IP Applications
					Connection Establishment and Termination
					Error Recovery and Reliability
					Flow Control Using Windowing
				User Datagram Protocol
			TCP/IP Applications
				Uniform Resource Identifiers
				Finding the Web Server Using DNS
				Transferring Files with HTTP
				How the Receiving Host Identifies the Correct Receiving Application
			Chapter Review
		Chapter 2 Basic IPv4 Access Control Lists
			“Do I Know This Already?” Quiz
			Foundation Topics
			IPv4 Access Control List Basics
				ACL Location and Direction
				Matching Packets
				Taking Action When a Match Occurs
				Types of IP ACLs
			Standard Numbered IPv4 ACLs
				List Logic with IP ACLs
				Matching Logic and Command Syntax
					Matching the Exact IP Address
					Matching a Subset of the Address with Wildcards
					Binary Wildcard Masks
					Finding the Right Wildcard Mask to Match a Subnet
					Matching Any/All Addresses
				Implementing Standard IP ACLs
					Standard Numbered ACL Example 1
					Standard Numbered ACL Example 2
				Troubleshooting and Verification Tips
			Practice Applying Standard IP ACLs
				Practice Building access-list Commands
				Reverse Engineering from ACL to Address Range
			Chapter Review
		Chapter 3 Advanced IPv4 Access Control Lists
			“Do I Know This Already?” Quiz
			Foundation Topics
			Extended Numbered IP Access Control Lists
				Matching the Protocol, Source IP, and Destination IP
				Matching TCP and UDP Port Numbers
				Extended IP ACL Configuration
					Extended IP Access Lists: Example 1
					Extended IP Access Lists: Example 2
				Practice Building access-list Commands
			Named ACLs and ACL Editing
				Named IP Access Lists
				Editing ACLs Using Sequence Numbers
				Numbered ACL Configuration Versus Named ACL Configuration
				ACL Implementation Considerations
				Additional Reading on ACLs
			Chapter Review
			Part I: Review
	Part II: Security Services
		Chapter 4 Security Architectures
			“Do I Know This Already?” Quiz
			Foundation Topics
			Security Terminology
			Common Security Threats
				Attacks That Spoof Addresses
					Denial-of-Service Attacks
					Reflection and Amplification Attacks
					Man-in-the-Middle Attacks
					Address Spoofing Attack Summary
				Reconnaissance Attacks
				Buffer Overflow Attacks
				Malware
				Human Vulnerabilities
				Password Vulnerabilities
					Password Alternatives
			Controlling and Monitoring User Access
			Developing a Security Program to Educate Users
			Chapter Review
		Chapter 5 Securing Network Devices
			“Do I Know This Already?” Quiz
			Foundation Topics
			Securing IOS Passwords
				Encrypting Older IOS Passwords with service password-encryption
				Encoding the Enable Passwords with Hashes
					Interactions Between Enable Password and Enable Secret
					Making the Enable Secret Truly Secret with a Hash
					Improved Hashes for Cisco’s Enable Secret
				Encoding the Passwords for Local Usernames
				Controlling Password Attacks with ACLs
			Firewalls and Intrusion Prevention Systems
				Traditional Firewalls
					Security Zones
				Intrusion Prevention Systems (IPS)
					Cisco Next-Generation Firewalls
					Cisco Next-Generation IPS
			Chapter Review
		Chapter 6 Implementing Switch Port Security
			“Do I Know This Already?” Quiz
			Foundation Topics
			Port Security Concepts and Configuration
				Configuring Port Security
				Verifying Port Security
				Port Security MAC Addresses
			Port Security Violation Modes
				Port Security Shutdown Mode
				Port Security Protect and Restrict Modes
			Chapter Review
		Chapter 7 Implementing DHCP
			“Do I Know This Already?” Quiz
			Foundation Topics
			Dynamic Host Configuration Protocol
				DHCP Concepts
					Supporting DHCP for Remote Subnets with DHCP Relay
					Information Stored at the DHCP Server
				Configuring DHCP Features on Routers and Switches
					Configuring DHCP Relay
					Configuring a Switch as DHCP Client
					Configuring a Router as DHCP Client
			Identifying Host IPv4 Settings
				Host Settings for IPv4
				Host IP Settings on Windows
				Host IP Settings on macOS
				Host IP Settings on Linux
			Chapter Review
		Chapter 8 DHCP Snooping and ARP Inspection
			“Do I Know This Already?” Quiz
			Foundation Topics
			DHCP Snooping
			DHCP Snooping Concepts
				A Sample Attack: A Spurious DHCP Server
				DHCP Snooping Logic
				Filtering DISCOVER Messages Based on MAC Address
				Filtering Messages that Release IP Addresses
			DHCP Snooping Configuration
				Configuring DHCP Snooping on a Layer 2 Switch
				Limiting DHCP Message Rates
				DHCP Snooping Configuration Summary
			Dynamic ARP Inspection
				DAI Concepts
					Review of Normal IP ARP
					Gratuitous ARP as an Attack Vector
					Dynamic ARP Inspection Logic
				Dynamic ARP Inspection Configuration
					Configuring ARP Inspection on a Layer 2 Switch
					Limiting DAI Message Rates
					Configuring Optional DAI Message Checks
					IP ARP Inspection Configuration Summary
			Chapter Review
			Part II: Review
	Part III: IP Services
		Chapter 9 Device Management Protocols
			“Do I Know This Already?” Quiz
			Foundation Topics
			System Message Logging (Syslog)
			Sending Messages in Real Time to Current Users
				Storing Log Messages for Later Review
				Log Message Format
				Log Message Severity Levels
				Configuring and Verifying System Logging
				The debug Command and Log Messages
			Network Time Protocol (NTP)
				Setting the Time and Timezone
				Basic NTP Configuration
				NTP Reference Clock and Stratum
				Redundant NTP Configuration
				NTP Using a Loopback Interface for Better Availability
			Analyzing Topology Using CDP and LLDP
				Examining Information Learned by CDP
				Configuring and Verifying CDP
				Examining Information Learned by LLDP
				Configuring and Verifying LLDP
			Chapter Review
		Chapter 10 Network Address Translation
			“Do I Know This Already?” Quiz
			Foundation Topics
			Perspectives on IPv4 Address Scalability
				CIDR
				Private Addressing
			Network Address Translation Concepts
				Static NAT
				Dynamic NAT
				Overloading NAT with Port Address Translation
			NAT Configuration and Troubleshooting
				Static NAT Configuration
				Dynamic NAT Configuration
				Dynamic NAT Verification
				NAT Overload (PAT) Configuration
				NAT Troubleshooting
			Chapter Review
		Chapter 11 Quality of Service (QoS)
			“Do I Know This Already?” Quiz
			Foundation Topics
			Introduction to QoS
				QoS: Managing Bandwidth, Delay, Jitter, and Loss
				Types of Traffic
					Data Applications
					Voice and Video Applications
				QoS as Mentioned in This Book
				QoS on Switches and Routers
			Classification and Marking
				Classification Basics
				Matching (Classification) Basics
				Classification on Routers with ACLs and NBAR
				Marking IP DSCP and Ethernet CoS
					Marking the IP Header
					Marking the Ethernet 802.1Q Header
					Other Marking Fields
				Defining Trust Boundaries
				DiffServ Suggested Marking Values
					Expedited Forwarding (EF)
					Assured Forwarding (AF)
					Class Selector (CS)
					Guidelines for DSCP Marking Values
			Queuing
				Round-Robin Scheduling (Prioritization)
				Low Latency Queuing
				A Prioritization Strategy for Data, Voice, and Video
			Shaping and Policing
				Policing
					Where to Use Policing
				Shaping
					Setting a Good Shaping Time Interval for Voice and Video
			Congestion Avoidance
				TCP Windowing Basics
				Congestion Avoidance Tools
			Chapter Review
		Chapter 12 Miscellaneous IP Services
			“Do I Know This Already?” Quiz
			Foundation Topics
			First Hop Redundancy Protocol
				The Need for Redundancy in Networks
				The Need for a First Hop Redundancy Protocol
				The Three Solutions for First-Hop Redundancy
				HSRP Concepts
					HSRP Failover
					HSRP Load Balancing
			Simple Network Management Protocol
				SNMP Variable Reading and Writing: SNMP Get and Set
				SNMP Notifications: Traps and Informs
				The Management Information Base
				Securing SNMP
			FTP and TFTP
				Managing Cisco IOS Images with FTP/TFTP
					The IOS File System
					Upgrading IOS Images
					Copying a New IOS Image to a Local IOS File System Using TFTP
					Verifying IOS Code Integrity with MD5
					Copying Images with FTP
				The FTP and TFTP Protocols
					FTP Protocol Basics
					FTP Active and Passive Modes
					FTP over TLS (FTP Secure)
				TFTP Protocol Basics
			Chapter Review
			Part III: Review
	Part IV: Network Architecture
		Chapter 13 LAN Architecture
			“Do I Know This Already?” Quiz
			Foundation Topics
			Analyzing Campus LAN Topologies
				Two-Tier Campus Design (Collapsed Core)
					The Two-Tier Campus Design
					Topology Terminology Seen Within a Two-Tier Design
				Three-Tier Campus Design (Core)
				Topology Design Terminology
			Small Office/Home Office
			Power over Ethernet (PoE)
				PoE Basics
				PoE Operation
				PoE and LAN Design
			Chapter Review
		Chapter 14 WAN Architecture
			“Do I Know This Already?” Quiz
			Foundation Topics
			Metro Ethernet
				Metro Ethernet Physical Design and Topology
				Ethernet WAN Services and Topologies
					Ethernet Line Service (Point-to-Point)
					Ethernet LAN Service (Full Mesh)
					Ethernet Tree Service (Hub and Spoke)
				Layer 3 Design Using Metro Ethernet
					Layer 3 Design with E-Line Service
					Layer 3 Design with E-LAN Service
			Multiprotocol Label Switching (MPLS)
				MPLS VPN Physical Design and Topology
				MPLS and Quality of Service
				Layer 3 with MPLS VPN
			Internet VPNs
				Internet Access
					Digital Subscriber Line
					Cable Internet
					Wireless WAN (3G, 4G, LTE, 5G)
					Fiber (Ethernet) Internet Access
				Internet VPN Fundamentals
					Site-to-Site VPNs with IPsec
					Remote Access VPNs with TLS
				VPN Comparisons
			Chapter Review
		Chapter 15 Cloud Architecture
			“Do I Know This Already?” Quiz
			Foundation Topics
			Server Virtualization
				Cisco Server Hardware
				Server Virtualization Basics
				Networking with Virtual Switches on a Virtualized Host
				The Physical Data Center Network
				Workflow with a Virtualized Data Center
			Cloud Computing Services
				Private Cloud (On-Premise)
				Public Cloud
				Cloud and the “As a Service” Model
					Infrastructure as a Service
					Software as a Service
					(Development) Platform as a Service
			WAN Traffic Paths to Reach Cloud Services
				Enterprise WAN Connections to Public Cloud
					Accessing Public Cloud Services Using the Internet
					Pros and Cons with Connecting to Public Cloud with Internet
					Private WAN and Internet VPN Access to Public Cloud
					Pros and Cons of Connecting to Cloud with Private WANs
					Intercloud Exchanges
					Summarizing the Pros and Cons of Public Cloud WAN Options
				A Scenario: Branch Offices and the Public Cloud
					Migrating Traffic Flows When Migrating to Email SaaS
					Branch Offices with Internet and Private WAN
			Chapter Review
			Part IV: Review
	Part V: Network Automation
		Chapter 16 Introduction to Controller-Based Networking
			“Do I Know This Already?” Quiz
			Foundation Topics
			SDN and Controller-Based Networks
				The Data, Control, and Management Planes
					The Data Plane
					The Control Plane
					The Management Plane
					Cisco Switch Data Plane Internals
				Controllers and Software-Defined Architecture
					Controllers and Centralized Control
					The Southbound Interface
					The Northbound Interface
				Software Defined Architecture Summary
			Examples of Network Programmability and SDN
				OpenDaylight and OpenFlow
					The OpenDaylight Controller
					The Cisco Open SDN Controller (OSC)
				Cisco Application Centric Infrastructure (ACI)
					ACI Physical Design: Spine and Leaf
					ACI Operating Model with Intent-Based Networking
				Cisco APIC Enterprise Module
					APIC-EM Basics
					APIC-EM Replacement
				Summary of the SDN Examples
			Comparing Traditional Versus Controller-Based Networks
				How Automation Impacts Network Management
				Comparing Traditional Networks with Controller-Based Networks
			Chapter Review
		Chapter 17 Cisco Software-Defined Access (SDA)
			“Do I Know This Already?” Quiz
			Foundation Topics
			SDA Fabric, Underlay, and Overlay
				The SDA Underlay
					Using Existing Gear for the SDA Underlay
					Using New Gear for the SDA Underlay
				The SDA Overlay
					VXLAN Tunnels in the Overlay (Data Plane)
					LISP for Overlay Discovery and Location (Control Plane)
			DNA Center and SDA Operation
				Cisco DNA Center
				Cisco DNA Center and Scalable Groups
					Issues with Traditional IP-Based Security
					SDA Security Based on User Groups
			DNA Center as a Network Management Platform
				DNA Center Similarities to Traditional Management
				DNA Center Differences with Traditional Management
			Chapter Review
		Chapter 18 Understanding REST and JSON
			“Do I Know This Already?” Quiz
			Foundation Topics
			REST-Based APIs
				REST-Based (RESTful) APIs
					Client/Server Architecture
					Stateless Operation
					Cacheable (or Not)
				Background: Data and Variables
					Simple Variables
					List and Dictionary Variables
				REST APIs and HTTP
					Software CRUD Actions and HTTP Verbs
					Using URIs with HTTP to Specify the Resource
				Example of REST API Call to DNA Center
			Data Serialization and JSON
				The Need for a Data Model with APIs
				Data Serialization Languages
					JSON
					XML
					YAML
					Summary of Data Serialization
				Interpreting JSON
					Interpreting JSON Key:Value Pairs
					Interpreting JSON Objects and Arrays
					Minified and Beautified JSON
			Chapter Review
		Chapter 19 Understanding Ansible, Puppet, and Chef
			“Do I Know This Already?” Quiz
			Foundation Topics
			Device Configuration Challenges and Solutions
				Configuration Drift
				Centralized Configuration Files and Version Control
				Configuration Monitoring and Enforcement
				Configuration Provisioning
					Configuration Templates and Variables
					Files That Control Configuration Automation
				Ansible, Puppet, and Chef Basics
					Ansible
					Puppet
					Chef
					Summary of Configuration Management Tools
			Chapter Review
			Part V: Review
	Part VI: Final Review
		Chapter 20 Final Review
			Advice About the Exam Event
				Exam Event: Learn About Question Types
				Exam Event: Think About Your Time Budget
				Exam Event: A Sample Time-Check Method
				Exam Event: One Week Away
				Exam Event: 24 Hours Before the Exam
				Exam Event: The Last 30 Minutes
				Exam Event: Reserve the Hour After the Exam
			Exam Review
				Exam Review: Take Practice Exams
					Using the Practice CCNA Exams
					Exam Review: Advice on How to Answer Exam Questions
					Exam Review: Additional Exams with the Premium Edition
				Exam Review: Find Knowledge Gaps
				Exam Review: Practice Hands-On CLI Skills
					CCNA Exam Topics with CLI Skill Requirements
				Exam Review: Self-Assessment Pitfalls
				Exam Review: Adjustments for Your Second Attempt
				Exam Review: Other Study Tasks
				Final Thoughts
	Part VII: Appendixes
		Appendix A: Numeric Reference Tables
		Appendix B: CCNA 200-301, Volume 2 Exam Updates
		Appendix C: Answers to the “Do I Know This Already?” Quizzes
	Glossary
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	Index
		A
		B
		C
		D
		E
		F
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	Online Appendixes
		Appendix D: Topics from Previous Editions
		Appendix E: Practice for Chapter 2: Basic IPv4 Access Control Lists
		Appendix F: Previous Edition ICND1 Chapter 35: Managing IOS Files
		Appendix G: Exam Topics Cross-Reference
		Appendix H: Study Planner