دانلود کتاب Introduction to Networks Companion Guide (CCNAv7)

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About This eBook Title Page Copyright Page About the Contributing Authors Contents at a Glance Reader Services Contents Command Syntax Conventions Introduction Who Should Read This Book Book Features How This Book Is Organized Figure Credits Chapter 1. Networking Today Objectives Key Terms Introduction (1.0) Networks Affect Our Lives (1.1) Network Components (1.2) Network Representations and Topologies (1.3) Common Types of Networks (1.4) Internet Connections (1.5) Reliable Networks (1.6) Network Trends (1.7) Network Security (1.8) The IT Professional (1.9) Summary (1.10) Practice Check Your Understanding Questions Chapter 2. Basic Switch and End Device Configuration Objectives Key Terms Introduction (2.0) Cisco IOS Access (2.1) IOS Navigation (2.2) The Command Structure (2.3) Basic Device Configuration (2.4) Save Configurations (2.5) Ports and Addresses (2.6) Configure IP Addressing (2.7) Verify Connectivity (2.8) Summary (2.9) Practice Check Your Understanding Questions Chapter 3. Protocols and Models Objectives Key Terms Introduction (3.0) The Rules (3.1) Protocols Protocol Suites (3.3) Standards Organizations (3.4) Reference Models (3.5) Data Encapsulation (3.6) Data Access (3.7) Summary (3.8) Practice Check Your Understanding Questions Chapter 4. Physical Layer Objectives Key Terms Introduction (4.0) Purpose of the Physical Layer (4.1) Physical Layer Characteristics (4.2) Copper Cabling (4.3) UTP Cabling (4.4) Fiber-Optic Cabling (4.5) Wireless Media (4.6) Summary (4.7) Practice Check Your Understanding Questions Chapter 5. Number Systems Objectives Key Terms Introduction (5.0) Binary Number System (5.1) Hexadecimal Number System (5.2) Summary (5.3) Practice Check Your Understanding Questions Chapter 6. Data Link Layer Objectives Key Terms Introduction (6.0) Purpose of the Data Link Layer (6.1) Topologies (6.2) Data Link Frame (6.3) Summary (6.4) Practice Check Your Understanding Questions Chapter 7. Ethernet Switching Objectives Key Terms Introduction (7.0) Ethernet Frames (7.1) Ethernet MAC Address (7.2) The MAC Address Table (7.3) Switch Speeds and Forwarding Methods (7.4) Summary (7.5) Practice Check Your Understanding Questions Chapter 8. Network Layer Objectives Key Terms Introduction (8.0) Network Layer Characteristics (8.1) IPv4 Packet (8.2) IPv6 Packet (8.3) How a Host Routes (8.4) Introduction to Routing (8.5) Summary (8.6) Practice Check Your Understanding Questions Chapter 9. Address Resolution Objectives Key Terms Introduction (9.0) MAC and IP (9.1) ARP (9.2) IPv6 Neighbor Discovery (9.3) Summary (9.4) Practice Check Your Understanding Questions Chapter 10. Basic Router Configuration Objectives Introduction (10.0) Configure Initial Router Settings (10.1) Configure Interfaces (10.2) Configure the Default Gateway (10.3) Summary (10.4) Practice Check Your Understanding Questions Chapter 11. IPv4 Addressing Objectives Key Terms Introduction (11.0) IPv4 Address Structure (11.1) IPv4 Unicast, Broadcast, and Multicast (11.2) Types of IPv4 Addresses (11.3) Network Segmentation (11.4) Subnet an IPv4 Network (11.5) Subnet a Slash 16 and a Slash 8 Prefix (11.6) Subnet to Meet Requirements (11.7) VLSM (11.8) Structured Design (11.9) Summary (11.10) Practice Check Your Understanding Questions Chapter 12. IPv6 Addressing Objectives Key Terms Introduction (12.0) IPv4 Issues (12.1) IPv6 Address Representation (12.2) IPv6 Address Types (12.3) GUA and LLA Static Configuration (12.4) Dynamic Addressing for IPv6 GUAs (12.5) Dynamic Addressing for IPv6 LLAs (12.6) IPv6 Multicast Addresses (12.7) Subnet an IPv6 Network (12.8) Summary (12.9) Practice Check Your Understanding Questions Chapter 13. ICMP Objectives Introduction (13.0) ICMP Messages (13.1) Ping and Traceroute Tests (13.2) Summary (13.3) Practice Check Your Understanding Questions Chapter 14. Transport Layer Objectives Key Terms Introduction (14.0) Transportation of Data (14.1) TCP Overview (14.2) UDP Overview (14.3) Port Numbers (14.4) TCP Communication Process (14.5) Reliability and Flow Control (14.6) UDP Communication (14.7) Summary (14.8) Practice Check Your Understanding Questions Chapter 15. Application Layer Objectives Key Terms Introduction (15.0) Application, Presentation, and Session (15.1) Peer-to-Peer (15.2) Web and Email Protocols (15.3) IP Addressing Services (15.4) File Sharing Services (15.5) Summary Practice Check Your Understanding Questions Chapter 16. Network Security Fundamentals Objectives Key Terms Introduction (16.0) Security Threats and Vulnerabilities (16.1) Network Attacks (16.2) Network Attack Mitigations (16.3) Device Security (16.4) Summary 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 Applications and Protocols (17.2) Scale to Larger Networks (17.3) Verify Connectivity (17.4) Host and IOS Commands (17.5) Troubleshooting Methodologies (17.6) Troubleshooting Scenarios (17.7) Summary (17.8) Practice Check Your Understanding Questions Appendix A. Answers to “Check Your Understanding” Questions Key Terms Glossary Index Code Snippets