Deep Voice Mastery, 2nd Edition

Introduction to Networks Companion Guide is the official supplemental textbook for the Introduction to Networks course in the Cisco Networking Academy CCNA curriculum. The course introduces the architecture, protocols, functions, components, and models of the internet and computer networks. The principles of IP addressing and fundamentals of Ethernet concepts, media, and operations are introduced to provide a foundation for the curriculum. By the end of the course, you will be able to build simple LANs, perform basic configurations for routers and switches, understand the fundamentals of network security, and implement IP addressing schemes. The Companion Guide is designed as a portable desk reference to use anytime, anywhere to reinforce the material from the course and organize your time. The book’s features help you focus on important concepts to succeed in this course: * Chapter objectives: Review core concepts by answering the focus questions listed at the beginning of each chapter. * Key terms : Refer to the lists of networking vocabulary introduced and highlighted in context in each chapter. * Glossary : Consult the comprehensive Glossary with more than 300 terms. * Summary of Activities and Labs: Maximize your study time with this complete list of all associated practice exercises at the end of each chapter. * Check Your Understanding : Evaluate your readiness with the end-of-chapter questions that match the style of questions you see in the online course quizzes. The answer key explains each answer. * How To: Look for this icon to study the steps you need to learn to perform certain tasks. * Interactive Activities: Reinforce your understanding of topics with dozens of exercises from the online course identified throughout the book with this icon. * Videos: Watch the videos embedded within the online course. * Packet Tracer Activities : Explore and visualize networking concepts using Packet Tracer. There are multiple exercises interspersed throughout the chapters and provided in the accompanying Labs & Study Guide book. * Hands-on Labs: Work through all the labs and other activities that are included in the course and published in the separate Labs & Study Guide. This book is offered exclusively for students enrolled in Cisco Networking Academy courses. It is not designed for independent study or professional certification preparation. Visit netacad.com to learn more about program options and requirements. Related titles: CCNA 200-301 Portable Command Guide Book: 9780135937822 eBook: 9780135937709 31 Days Before Your CCNA Exam Book: 9780135964088 eBook: 9780135964231 CCNA 200-301 Official Cert Guide, Volume 1 Book: 9780135792735 Premium Edition: 9780135792728 CCNA 200-301 Official Cert Guide, Volume 2 Book: 9781587147135 Premium Edition: 9780135262719 Cover Title Page Copyright page About the Contributing Authors Contents at a Glance Reader Services Figure Credits Contents Introduction Chapter 1 Networking Today Objectives Key Terms Introduction (1.0) Networks Affect Our Lives (1.1) Networks Connect Us (1.1.1) No Boundaries (1.1.3) Network Components (1.2) Host Roles (1.2.1) Peer-to-Peer (1.2.2) End Devices (1.2.3) Intermediary Devices (1.2.4) Network Media (1.2.5) Network Representations and Topologies (1.3) Network Representations (1.3.1) Topology Diagrams (1.3.2) Physical Topology Diagrams Logical Topology Diagrams Common Types of Networks (1.4) Networks of Many Sizes (1.4.1) LANs and WANs (1.4.2) LANs WANs The Internet (1.4.3) Intranets and Extranets (1.4.4) Internet Connections (1.5) Internet Access Technologies (1.5.1) Home and Small Office Internet Connections (1.5.2) Businesses Internet Connections (1.5.3) The Converging Network (1.5.4) Reliable Networks (1.6) Network Architecture (1.6.1) Fault Tolerance (1.6.2) Scalability (1.6.3) Quality of Service (1.6.4) Network Security (1.6.5) Network Trends (1.7) Recent Trends (1.7.1) Bring Your Own Device (BYOD) (1.7.2) Online Collaboration (1.7.3) Video Communications (1.7.4) Cloud Computing (1.7.6) Technology Trends in the Home (1.7.7) Powerline Networking (1.7.8) Wireless Broadband (1.7.9) Wireless Internet Service Providers Wireless Broadband Service Network Security (1.8) Security Threats (1.8.1) Security Solutions (1.8.2) The IT Professional (1.9) CCNA (1.9.1) Networking Jobs (1.9.2) Summary (1.10) Networks Affect Our Lives Network Components Network Representations and Topologies Common Types of Networks Internet Connections Reliable Networks Network Trends Network Security The IT Professional Practice Check Your Understanding Questions Chapter 2 Basic Switch and End Device Configuration Objectives Key Terms Introduction (2.0) Cisco IOS Access (2.1) Operating Systems (2.1.1) GUI (2.1.2) Purpose of an OS (2.1.3) Access Methods (2.1.4) Terminal Emulation Programs (2.1.5) IOS Navigation (2.2) Primary Command Modes (2.2.1) Configuration Mode and Subconfiguration Modes (2.2.2) Navigate Between IOS Modes (2.2.4) A Note About Syntax Checker Activities (2.2.6) The Command Structure (2.3) Basic IOS Command Structure (2.3.1) IOS Command Syntax Check (2.3.2) IOS Help Features (2.3.3) Hot Keys and Shortcuts (2.3.5) Basic Device Configuration (2.4) Device Names (2.4.1) Password Guidelines (2.4.2) Configure Passwords (2.4.3) Encrypt Passwords (2.4.4) Banner Messages (2.4.5) Save Configurations (2.5) Configuration Files (2.5.1) Alter the Running Configuration (2.5.2) Capture Configuration to a Text File (2.5.4) Ports and Addresses (2.6) IP Addresses (2.6.1) Interfaces and Ports (2.6.2) Configure IP Addressing (2.7) Manual IP Address Configuration for End Devices (2.7.1) Automatic IP Address Configuration for End Devices (2.7.2) Switch Virtual Interface Configuration (2.7.4) Verify Connectivity (2.8) Summary (2.9) Cisco IOS Access IOS Navigation The Command Structure Basic Device Configuration Save Configurations Ports and Addresses Configure IP Addressing Verify Connectivity Practice Check Your Understanding Questions Chapter 3 Protocols and Models Objectives Key Terms Introduction (3.0) The Rules (3.1) Communications Fundamentals (3.1.2) Communication Protocols (3.1.3) Rule Establishment (3.1.4) Network Protocol Requirements (3.1.5) Message Encoding (3.1.6) Message Formatting and Encapsulation (3.1.7) Message Size (3.1.8) Message Timing (3.1.9) Message Delivery Options (3.1.10) A Note About the Node Icon (3.1.11) Protocols Network Protocol Overview (3.2.1) Network Protocol Functions (3.2.2) Protocol Interaction (3.2.3) Protocol Suites (3.3) Network Protocol Suites (3.3.1) Evolution of Protocol Suites (3.3.2) TCP/IP Protocol Example (3.3.3) TCP/IP Protocol Suite (3.3.4) Application Layer Transport Layer Internet Layer Network Access Layer TCP/IP Communication Process (3.3.5) Standards Organizations (3.4) Open Standards (3.4.1) Internet Standards (3.4.2) Electronic and Communications Standards (3.4.3) Reference Models (3.5) The Benefits of Using a Layered Model (3.5.1) The OSI Reference Model (3.5.2) The TCP/IP Protocol Model (3.5.3) OSI and TCP/IP Model Comparison (3.5.4) Data Encapsulation (3.6) Segmenting Messages (3.6.1) Sequencing (3.6.2) Protocol Data Units (3.6.3) Encapsulation Example (3.6.4) De-encapsulation Example (3.6.5) Data Access (3.7) Addresses (3.7.1) Layer 3 Logical Address (3.7.2) Devices on the Same Network (3.7.3) Role of the Data Link Layer Addresses: Same IP Network (3.7.4) Devices on a Remote Network (3.7.5) Role of the Network Layer Addresses (3.7.6) Role of the Data Link Layer Addresses: Different IP Networks (3.7.7) Data Link Addresses (3.7.8) Summary (3.8) The Rules Protocols Protocol Suites Standards Organizations Reference Models Data Encapsulation Data Access Practice Check Your Understanding Questions Chapter 4 Physical Layer Objectives Key Terms Introduction (4.0) Purpose of the Physical Layer (4.1) The Physical Connection (4.1.1) The Physical Layer (4.1.2) Physical Layer Characteristics (4.2) Physical Layer Standards (4.2.1) Physical Components (4.2.2) Encoding (4.2.3) Signaling (4.2.4) Bandwidth (4.2.5) Bandwidth Terminology (4.2.6) Latency Throughput Goodput Copper Cabling (4.3) Characteristics of Copper Cabling (4.3.1) Types of Copper Cabling (4.3.2) Unshielded Twisted-Pair (UTP) (4.3.3) Shielded Twisted-Pair (STP) (4.3.4) Coaxial Cable (4.3.5) UTP Cabling (4.4) Properties of UTP Cabling (4.4.1) UTP Cabling Standards and Connectors (4.4.2) Straight-Through and Crossover UTP Cables (4.4.3) Fiber-Optic Cabling (4.5) Properties of Fiber-Optic Cabling (4.5.1) Types of Fiber Media (4.5.2) Single-Mode Fiber Multimode Fiber Fiber-Optic Cabling Usage (4.5.3) Fiber-Optic Connectors (4.5.4) Fiber Patch Cords (4.5.5) Fiber Versus Copper (4.5.6) Wireless Media (4.6) Properties of Wireless Media (4.6.1) Types of Wireless Media (4.6.2) Wireless LAN (4.6.3) Summary (4.7) Purpose of the Physical Layer Physical Layer Characteristics Copper Cabling UTP Cabling Fiber-Optic Cabling Wireless Media Practice Check Your Understanding Questions Chapter 5 Number Systems Objectives Key Terms Introduction (5.0) Binary Number System (5.1) Binary and IPv4 Addresses (5.1.1) Binary Positional Notation (5.1.3) Convert Binary to Decimal (5.1.5) Decimal to Binary Conversion (5.1.7) Decimal to Binary Conversion Example (5.1.8) IPv4 Addresses (5.1.11) Hexadecimal Number System (5.2) Hexadecimal and IPv6 Addresses (5.2.1) Decimal to Hexadecimal Conversions (5.2.3) Hexadecimal to Decimal Conversion (5.2.4) Summary (5.3) Binary Number System Hexadecimal Number System Practice Check Your Understanding Questions Chapter 6 Data Link Layer Objectives Key Terms Introduction (6.0) Purpose of the Data Link Layer (6.1) The Data Link Layer (6.1.1) IEEE 802 LAN/MAN Data Link Sublayers (6.1.2) Providing Access to Media (6.1.3) Data Link Layer Standards (6.1.4) Topologies (6.2) Physical and Logical Topologies (6.2.1) WAN Topologies (6.2.2) Point-to-Point Hub and Spoke Mesh Point-to-Point WAN Topology (6.2.3) LAN Topologies (6.2.4) Legacy LAN Topologies Half-Duplex and Full-Duplex Communication (6.2.5) Half-Duplex Communication Full-Duplex Communication Access Control Methods (6.2.6) Contention-Based Access Controlled Access Contention-Based Access—CSMA/CD (6.2.7) Contention-Based Access—CSMA/CA (6.2.8) Data Link Frame (6.3) The Frame (6.3.1) Frame Fields (6.3.2) Layer 2 Addresses (6.3.3) LAN and WAN Frames (6.3.4) Summary (6.4) Purpose of the Data Link Layer Topologies Data Link Frame Practice Check Your Understanding Questions Chapter 7 Ethernet Switching Objectives Key Terms Introduction (7.0) Ethernet Frames (7.1) Ethernet Encapsulation (7.1.1) Data Link Sublayers (7.1.2) MAC Sublayer (7.1.3) Data Encapsulation Accessing the Media Ethernet Frame Fields (7.1.4) Ethernet MAC Address (7.2) MAC Address and Hexadecimal (7.2.1) Ethernet MAC Address (7.2.2) Frame Processing (7.2.3) Unicast MAC Address (7.2.4) Broadcast MAC Address (7.2.5) Multicast MAC Address (7.2.6) The MAC Address Table (7.3) Switch Fundamentals (7.3.1) Switch Learning and Forwarding (7.3.2) Examine the Source MAC Address Find the Destination MAC Address Filtering Frames (7.3.3) Switch Speeds and Forwarding Methods (7.4) Frame Forwarding Methods on Cisco Switches (7.4.1) Cut-Through Switching (7.4.2) Memory Buffering on Switches (7.4.3) Duplex and Speed Settings (7.4.4) Auto-MDIX (7.4.5) Summary (7.5) Ethernet Frame Ethernet MAC Address The MAC Address Table Switch Speeds and Forwarding Methods Practice Check Your Understanding Questions Chapter 8 Network Layer Objectives Key Terms Introduction (8.0) Network Layer Characteristics (8.1) The Network Layer (8.1.1) IP Encapsulation (8.1.2) Characteristics of IP (8.1.3) Connectionless (8.1.4) Best Effort (8.1.5) Media Independent (8.1.6) IPv4 Packet (8.2) IPv4 Packet Header (8.2.1) IPv4 Packet Header Fields (8.2.2) IPv6 Packet (8.3) Limitations of IPv4 (8.3.1) IPv6 Overview (8.3.2) IPv4 Packet Header Fields in the IPv6 Packet Header (8.3.3) IPv6 Packet Header (8.3.4) How a Host Routes (8.4) Host Forwarding Decision (8.4.1) Default Gateway (8.4.2) A Host Routes to the Default Gateway (8.4.3) Host Routing Tables (8.4.4) Introduction to Routing (8.5) Router Packet Forwarding Decision (8.5.1) IP Router Routing Table (8.5.2) Static Routing (8.5.3) Dynamic Routing (8.5.4) Introduction to an IPv4 Routing Table (8.5.6) Summary (8.6) Network Layer Characteristics IPv4 Packet IPv6 Packet How a Host Routes Introduction to Routing Practice Check Your Understanding Questions Chapter 9 Address Resolution Objectives Key Terms Introduction (9.0) MAC and IP (9.1) Destination on Same Network (9.1.1) Destination on Remote Network (9.1.2) ARP (9.2) ARP Overview (9.2.1) ARP Functions (9.2.2) Removing Entries from an ARP Table (9.2.6) ARP Tables on Networking Devices (9.2.7) ARP Issues—ARP Broadcasts and ARP Spoofing (9.2.8) IPv6 Neighbor Discovery (9.3) IPv6 Neighbor Discovery Messages (9.3.2) IPv6 Neighbor Discovery—Address Resolution (9.3.3) Summary (9.4) MAC and IP ARP Neighbor Discovery Practice Check Your Understanding Questions Chapter 10 Basic Router Configuration Objectives Introduction (10.0) Configure Initial Router Settings (10.1) Basic Router Configuration Steps (10.1.1) Basic Router Configuration Example (10.1.2) Configure Interfaces (10.2) Configure Router Interfaces (10.2.1) Configure Router Interfaces Example (10.2.2) Verify Interface Configuration (10.2.3) Configuration Verification Commands (10.2.4) Configure the Default Gateway (10.3) Default Gateway on a Host (10.3.1) Default Gateway on a Switch (10.3.2) Summary (10.4) Configure Initial Router Settings Configure Interfaces Configure the Default Gateway Practice Check Your Understanding Questions Chapter 11 IPv4 Addressing Objectives Key Terms Introduction (11.0) IPv4 Address Structure (11.1) Network and Host Portions (11.1.1) The Subnet Mask (11.1.2) The Prefix Length (11.1.3) Determining the Network: Logical AND (11.1.4) Network, Host, and Broadcast Addresses (11.1.6) Network Address Host Addresses Broadcast Address IPv4 Unicast, Broadcast, and Multicast (11.2) Unicast (11.2.1) Broadcast (11.2.2) IP Directed Broadcasts Multicast (11.2.3) Types of IPv4 Addresses (11.3) Public and Private IPv4 Addresses (11.3.1) Routing to the Internet (11.3.2) Special Use IPv4 Addresses (11.3.4) Loopback Addresses Link-Local Addresses Legacy Classful Addressing (11.3.5) Assignment of IP Addresses (11.3.6) Network Segmentation (11.4) Broadcast Domains and Segmentation (11.4.1) Problems with Large Broadcast Domains (11.4.2) Reasons for Segmenting Networks (11.4.3) Subnet an IPv4 Network (11.5) Subnet on an Octet Boundary (11.5.1) Subnet Within an Octet Boundary (11.5.2) Subnet a Slash 16 and a Slash 8 Prefix (11.6) Create Subnets with a Slash 16 Prefix (11.6.1) Create 100 Subnets with a Slash 16 Prefix (11.6.2) Create 1000 Subnets with a Slash 8 Prefix (11.6.3) Subnet to Meet Requirements (11.7) Subnet Private Versus Public IPv4 Address Space (11.7.1) What About the DMZ? Minimize Unused Host IPv4 Addresses and Maximize Subnets (11.7.2) Example: Efficient IPv4 Subnetting (11.7.3) VLSM (11.8) IPv4 Address Conservation (11.8.3) VLSM (11.8.4) VLSM Topology Address Assignment (11.8.5) Structured Design (11.9) IPv4 Network Address Planning (11.9.1) Device Address Assignment (11.9.2) Summary (11.10) IPv4 Addressing Structure IPv4 Unicast, Broadcast, and Multicast Types of IPv4 Addresses Network Segmentation Subnet an IPv4 Network Subnet a /16 and a /8 Prefix Subnet to Meet Requirements Variable-Length Subnet Masking Structured Design Practice Check Your Understanding Questions Chapter 12 IPv6 Addressing Objectives Key Terms Introduction (12.0) IPv4 Issues (12.1) Need for IPv6 (12.1.1) Internet of Things IPv4 and IPv6 Coexistence (12.1.2) Dual Stack Tunneling Translation IPv6 Address Representation (12.2) IPv6 Addressing Formats (12.2.1) Preferred Format Rule 1—Omit Leading Zeros (12.2.2) Rule 2—Double Colon (12.2.3) IPv6 Address Types (12.3) Unicast, Multicast, Anycast (12.3.1) IPv6 Prefix Length (12.3.2) Types of IPv6 Unicast Addresses (12.3.3) A Note About the Unique Local Address (12.3.4) IPv6 GUA (12.3.5) IPv6 GUA Structure (12.3.6) Global Routing Prefix Subnet ID Interface ID IPv6 LLA (12.3.7) GUA and LLA Static Configuration (12.4) Static GUA Configuration on a Router (12.4.1) Static GUA Configuration on a Windows Host (12.4.2) Static Configuration of a Link-Local Unicast Address (12.4.3) Dynamic Addressing for IPv6 GUAs (12.5) RS and RA Messages (12.5.1) Method 1: SLAAC (12.5.2) Method 2: SLAAC and Stateless DHCPv6 (12.5.3) Method 3: Stateful DHCPv6 (12.5.4) EUI-64 Process vs. Randomly Generated (12.5.5) EUI-64 Process (12.5.6) Randomly Generated Interface IDs (12.5.7) Dynamic Addressing for IPv6 LLAs (12.6) Dynamic LLAs (12.6.1) Dynamic LLAs on Windows (12.6.2) Dynamic LLAs on Cisco Routers (12.6.3) Verify IPv6 Address Configuration (12.6.4) IPv6 Multicast Addresses (12.7) Assigned IPv6 Multicast Addresses (12.7.1) Well-Known IPv6 Multicast Addresses (12.7.2) Solicited-Node IPv6 Multicast Addresses (12.7.3) Subnet an IPv6 Network (12.8) Subnet Using the Subnet ID (12.8.1) IPv6 Subnetting Example (12.8.2) IPv6 Subnet Allocation (12.8.3) Router Configured with IPv6 Subnets (12.8.4) Summary (12.9) IPv4 Issues IPv6 Address Representation IPv6 Address Types GUA and LLA Static Configuration Dynamic Addressing for IPv6 GUAs Dynamic Addressing for IPv6 LLAs IPv6 Multicast Addresses Subnet an IPv6 Network Practice Check Your Understanding Questions Chapter 13 ICMP Objectives Introduction (13.0) ICMP Messages (13.1) ICMPv4 and ICMPv6 Messages (13.1.1) Host Reachability (13.1.2) Destination or Service Unreachable (13.1.3) Time Exceeded (13.1.4) ICMPv6 Messages (13.1.5) Ping and Traceroute Tests (13.2) Ping—Test Connectivity (13.2.1) Ping the Loopback (13.2.2) Ping the Default Gateway (13.2.3) Ping a Remote Host (13.2.4) Traceroute—Test the Path (13.2.5) Round-Trip Time (RTT) IPv4 TTL and IPv6 Hop Limit Summary (13.3) ICMP Messages Ping and Traceroute Testing Practice Check Your Understanding Questions Chapter 14 Transport Layer Objectives Key Terms Introduction (14.0) Transportation of Data (14.1) Role of the Transport Layer (14.1.1) Transport Layer Responsibilities (14.1.2) Transport Layer Protocols (14.1.3) Transmission Control Protocol (TCP) (14.1.4) User Datagram Protocol (UDP) (14.1.5) The Right Transport Layer Protocol for the Right Application (14.1.6) TCP Overview (14.2) TCP Features (14.2.1) TCP Header (14.2.2) TCP Header Fields (14.2.3) Applications That Use TCP (14.2.4) UDP Overview (14.3) UDP Features (14.3.1) UDP Header (14.3.2) UDP Header Fields (14.3.3) Applications that use UDP (14.3.4) Port Numbers (14.4) Multiple Separate Communications (14.4.1) Socket Pairs (14.4.2) Port Number Groups (14.4.3) The netstat Command (14.4.4) TCP Communication Process (14.5) TCP Server Processes (14.5.1) TCP Connection Establishment (14.5.2) Session Termination (14.5.3) TCP Three-Way Handshake Analysis (14.5.4) Reliability and Flow Control (14.6) TCP Reliability—Guaranteed and Ordered Delivery (14.6.1) TCP Reliability—Data Loss and Retransmission (14.6.3) TCP Flow Control—Window Size and Acknowledgments (14.6.5) TCP Flow Control—Maximum Segment Size (MSS) (14.6.6) TCP Flow Control—Congestion Avoidance (14.6.7) UDP Communication (14.7) UDP Low Overhead Versus Reliability (14.7.1) UDP Datagram Reassembly (14.7.2) UDP Server Processes and Requests (14.7.3) UDP Client Processes (14.7.4) Summary (14.8) Transportation of Data TCP Overview UDP Overview Port Numbers TCP Communications Process Reliability and Flow Control UDP Communication Practice Check Your Understanding Questions Chapter 15 Application Layer Objectives Key Terms Introduction (15.0) Application, Presentation, and Session (15.1) Application Layer (15.1.1) Presentation and Session Layer (15.1.2) TCP/IP Application Layer Protocols (15.1.3) Peer-to-Peer (15.2) Client-Server Model (15.2.1) Peer-to-Peer Networks (15.2.2) Peer-to-Peer Applications (15.2.3) Common P2P Applications (15.2.4) Web and Email Protocols (15.3) Hypertext Transfer Protocol and Hypertext Markup Language (15.3.1) HTTP and HTTPS (15.3.2) Email Protocols (15.3.3) SMTP, POP, and IMAP (15.3.4) SMTP POP IMAP IP Addressing Services (15.4) Domain Name Service (15.4.1) DNS Message Format (15.4.2) DNS Hierarchy (15.4.3) The nslookup Command (15.4.4) Dynamic Host Configuration Protocol (15.4.6) DHCP Operation (15.4.7) File Sharing Services (15.5) File Transfer Protocol (15.5.1) Server Message Block (15.5.2) Summary Application, Presentation, and Session Peer-to-Peer Web and Email Protocols IP Addressing Services File Sharing Services Practice Check Your Understanding Questions Chapter 16 Network Security Fundamentals Objectives Key Terms Introduction (16.0) Security Threats and Vulnerabilities (16.1) Types of Threats (16.1.1) Types of Vulnerabilities (16.1.2) Physical Security (16.1.3) Network Attacks (16.2) Types of Malware (16.2.1) Viruses Worms Trojan Horses Reconnaissance Attacks (16.2.2) Access Attacks (16.2.3) Password Attacks Trust Exploitation Port Redirection Man-in-the-Middle Denial of Service Attacks (16.2.4) DoS Attack DDoS Attack Network Attack Mitigations (16.3) The Defense-in-Depth Approach (16.3.1) Keep Backups (16.3.2) Upgrade, Update, and Patch (16.3.3) Authentication, Authorization, and Accounting (16.3.4) Firewalls (16.3.5) Types of Firewalls (16.3.6) Endpoint Security (16.3.7) Device Security (16.4) Cisco AutoSecure (16.4.1) Passwords (16.4.2) Additional Password Security (16.4.3) Enable SSH (16.4.4) Disable Unused Services (16.4.5) Summary Security Threats and Vulnerabilities Network Attacks Network Attack Mitigation Device Security Practice Check Your Understanding Questions Chapter 17 Build a Small Network Objectives Key Terms Introduction (17.0) Devices in a Small Network (17.1) Small Network Topologies (17.1.1) Device Selection for a Small Network (17.1.2) Cost Speed and Types of Ports/Interfaces Expandability Operating System Features and Services IP Addressing for a Small Network (17.1.3) Redundancy in a Small Network (17.1.4) Traffic Management (17.1.5) Small Network Applications and Protocols (17.2) Common Applications (17.2.1) Network Applications Application Layer Services Common Protocols (17.2.2) Voice and Video Applications (17.2.3) Scale to Larger Networks (17.3) Small Network Growth (17.3.1) Protocol Analysis (17.3.2) Employee Network Utilization (17.3.3) Verify Connectivity (17.4) Verify Connectivity with Ping (17.4.1) Extended Ping (17.4.2) Verify Connectivity with Traceroute (17.4.3) Extended Traceroute (17.4.4) Network Baseline (17.4.5) Host and IOS Commands (17.5) IP Configuration on a Windows Host (17.5.1) IP Configuration on a Linux Host (17.5.2) IP Configuration on a macOS Host (17.5.3) The arp Command (17.5.4) Common show Commands Revisited (17.5.5) The show cdp neighbors Command (17.5.6) The show ip interface brief Command (17.5.7) Verify Switch Interfaces Troubleshooting Methodologies (17.6) Basic Troubleshooting Approaches (17.6.1) Resolve or Escalate? (17.6.2) The debug Command (17.6.3) The terminal monitor Command (17.6.4) Troubleshooting Scenarios (17.7) Duplex Operation and Mismatch Issues (17.7.1) IP Addressing Issues on IOS Devices (17.7.2) IP Addressing Issues on End Devices (17.7.3) Default Gateway Issues (17.7.4) Troubleshooting DNS Issues (17.7.5) Summary (17.8) Devices in a Small Network Small Network Applications and Protocols Scale to Larger Networks Verify Connectivity Host and IOS Commands Troubleshooting Methodologies Troubleshooting Scenarios Practice Check Your Understanding Questions Appendix A Answers to “Check Your Understanding” Questions Key Terms Glossary 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 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 Trust the best-selling Official Cert Guide series from Cisco Press to help you learn, prepare, and practice for exam success. 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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 (http://www.ciscopress.com/register) 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 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. This book, combined with the CCNA 200-301 Official Cert Guide Volume 2, cover all of exam topics on the CCNA 200-301 exam. CCNA 200-301 Official Cert Guide, Volume 1 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 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 90 minutes 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. The CCNA 200-301 Official Cert Guide, Volume 1, combined with CCNA 200-301 Official Cert Guide, Volume 2, walk you through all the exam topics found in the Cisco 200-301 exam. Topics covered in Volume 1 include: - Networking fundamentals - Implementing Ethernet LANs - Implementing VLANs and STP - IPv4 addressing - IPv4 routing - OSPF - IPv6 - Wireless LANs Companion Website The companion website contains more than 300 unique practice exam questions, CCNA Network Simulator Lite software, online practice exercises, and 90 minutes of video training. Includes Exclusive Offers For Up to 70% Off Video Training, Practice Tests, and more Also available from Cisco Press for CCNA study is the CCNA 200-301 Official Cert Guide, Volume 1 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 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 22 free lab exercises, covering topics in Part II and Part III, the first hands-on configuration sections of the book: 1. Configuring Local Usernames 2. Configuring Hostnames 3. Interface Status I 4. Interface Status II 5. Interface Status III 6. Interface Status IV 7. Configuring Switch IP Settings 8. Switch IP Address 9. Switch IP Connectivity I 10. Switch CLI Configuration Process I 11. Switch CLI Configuration Process II 12. Switch CLI Exec Mode 13. Setting Switch Passwords 14. Interface Settings I 15. Interface Settings II 16. Interface Settings III 17. Switch Forwarding I 18. Switch Security I 19. Switch Interfaces and Forwarding Configuration Scenario 20. Configuring VLANs Configuration Scenario 21. VLAN Troubleshooting 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. · Master Cisco CCNA 200-301 exam topics · Assess your knowledge with chapter-opening quizzes · Review key concepts with exam preparation tasks This is the eBook edition of the CCNA 200-301 Official Cert Guide, Volume 1. This eBook, combined with the CCNA 200-301 Official Cert Guide Volume 2, cover all of exam topics on the CCNA 200-301 exam. This eBook does not include the practice exams that comes with the print edition. CCNA 200-301 Official Cert Guide, Volume 1 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. CCNA 200-301 Official Cert Guide, Volume 1 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 · 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 90 minutes 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 feat "CCNA 200-301 Portable Command Guide is filled with valuable, easy-to-access information-and it's portable enough to use whether you're in the server room or the equipment closet. The guide summarizes all CCNA certification-level Cisco IOS Software commands, keywords, command arguments, and associated prompts, providing you with tips and examples of how to apply the commands to real-world scenarios. Throughout, configuration examples give you a better understanding of how these commands are used in simple network designs. This book has been completely updated to cover topics in the new 200-301 exam. Use this quick reference resource to help you memorize commands and concepts as you work to pass the CCNA certification exam. Coverage includes: ·Network Fundamentals: IPv4 addressing, subnetting, VLSM, route summarization, IPv6 addressing, cables/connections, CLI ·LAN Switching Technologies: Switch configuration, VLANs, VLAN trunking protocol, inter-VLAN communication, STP, EtherChannel, CDP, LLDP ·Routing Technologies: Router configuration, static routing, OSPF ·IP Services: DHCP, NAT, NTP ·Security Fundamentals: Layer 2 security, ACL traffic management, device monitoring and hardening ·Wireless Technologies: Configuring and securing a WLAN AP ·Quick, offline access to all CCNA commands for research and solutions ·Logical how-to topic groupings for a one-stop resource ·Great for review before CCNA certification exams ·Compact size makes it easy to carry with you wherever you go ·"Create Your Own Journal" section with blank, lined pages enables you to personalize the book for your needs. This book is part of the Cisco Press Certification Self-Study Product Family, which offers readers a self-paced study routine for Cisco certification exams. Titles in the Cisco Press Certification Self-Study Product Family are part of a recommended learning program from Cisco that includes simulation and hands-on training from authorized Cisco Learning Partners and self-study products from Cisco Press."--Amazon.com Introduction To Networks (ccna V7) Companion Guide Is Designed As A Portable Desk Reference To Use Anytime, Anywhere To Reinforce The Material From The Introduction To Networks Course And Organize Your Time. The Book's Features Help You Focus On Important Concepts To Succeed In This Course: Chapter Objectives - Review Core Concepts By Answering The Focus Questions Listed At The Beginning Of Each Chapter. Key Terms - Refer To The Lists Of Networking Vocabulary Introduced And Highlighted In Context In Each Chapter. Glossary - Consult The Comprehensive Glossary With More Than 250 Terms. Summary Of Activities And Labs - Maximize Your Study Time With This Complete List Of All Associated Practice Exercises At The End Of Each Chapter. Check Your Understanding - Evaluate Your Readiness With The End-of-chapter Questions That Match The Style Of Questions You See In The Online Course Quizzes. The Answer Key Explains Each Answer. How To - Look For This Icon To Study The Steps You Need To Learn To Perform Certain Tasks. Interactive Activities - Reinforce Your Understanding Of Topics With Dozens Of Exercises From The Online Course Identified Throughout The Book With This Icon. Videos - Watch The Videos Embedded Within The Online Course. Packet Tracer Activities - Explore And Visualize Networking Concepts Using Packet Tracer. There Are 40 Exercises Interspersed Throughout The Chapters And Provided In The Accompanying Labs & Study Guide Book. Part Of The Cisco Networking Academy Series From Cisco Press, Books In This Series Support And Complement The Cisco Networking Academy Curriculum. 31 Days Before Your Ccna 200-301 Exam Offers A Friendly, Practical Way To Understand The Ccna Routing & Switching Certification Process, Commit To Taking The Ccna 200-301 Exam, And Fully Prepare Using A Variety Of Foundational And Supplemental Study Resources. Use This Book's Day-by-day Guide And Checklist To Organize, Prepare, And Review All The Exam Objectives. The Book Breaks Down Key Exam Topics Into 31 Daily Review Sessions Using Short Summaries, Lists, Tables, Examples, And Graphics. A Study Resources Section Provides You With A Quick Reference For Locating More In-depth Treatment Of A Day's Topics Within Foundational And Supplemental Resources. This Book's Features Help You Fit Exam Preparation Into A Busy Schedule: Tear Out Visual Calendar Summarizes Each Day's Study Topics Checklist Highlights Important Tasks And Deadlines Leading Up To Your Exam Description Of The Ccna 200-301 Exam Organization And Sign Up Process Strategies From The Author Help You To Be Mentally, Organizationally, And Physically Prepared For Exam Day Conversational Tone, Making Your Study Time More Enjoyable Preparing For The Ccna® Exam? Here Are All The Ccna-level Commands You Need In One Condensed, Portable Resource. The Ccna Portable Command Guide, Fifth Edition, Is Filled With Valuable, Easy-to-access Information In A Compact, Portable Size. This Book Has Been Completely Updated To Cover Topics In The Ccna 200-301 Exams. This Quick Reference Resource Is Designed To Help Students Memorize Commands And Concepts As They Work To Pass The Ccna Exam. The Guide Summarizes All Certification-level Cisco Ios® Software Commands, Keywords, Command Arguments, And Associated Prompts, Providing Readers With Tips And Examples Of How To Apply The Commands To Real-world Scenarios. Configuration Examples Throughout The Book Provide Readers With A Better Understanding Of How These Commands Are Used In Simple Network Designs. Ten Topics This Guide Covers Are: Tcp/ip An Introduction To Cisco Devices Configuring A Router Routing Switching Implementing A Wireless Lan Network Administration And Troubleshooting Managing Ip Services Wans Network Security-- Ccna 200-301 Official Cert Guide Enables Students 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 Students Identify Areas Of Weakness And Improve Both Conceptual Knowledge And Hands-on Skills. 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 Students Master The Concepts And Techniques That Ensure Exam Success--