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Introduction
CHAPTER 1 Networking Models, Ports, Protocols, and Services The OSI Networking Model The OSI Seven-Layer Model Comparing OSI to the Four-Layer TCP/IP Model Identifying the OSI Layers at Which Various Network Components Operate Data Encapsulation/Decapsulation and OSI Ports, Protocols, Services, and Traffic Types Connection-Oriented Protocols Versus Connectionless Protocols Internet Protocol Transmission Control Protocol User Datagram Protocol Internet Control Message Protocol IPsec Generic Routing Encapsulation File Transfer Protocol (FTP) Secure File Transfer Protocol (SFTP) Secure Shell (SSH) Telnet Simple Mail Transfer Protocol (SMTP) Domain Name System (DNS) Dynamic Host Configuration Protocol (DHCP) Trivial File Transfer Protocol (TFTP) Hypertext Transfer Protocol (HTTP) Network Time Protocol (NTP) Simple Network Management Protocol (SNMP) Lightweight Directory Access Protocol (LDAP) Hypertext Transfer Protocol Secure (HTTPS) Server Message Block (SMB) Syslog Simple Mail Transfer Protocol Secure (SMTPS) Lightweight Directory Access Protocol over SSL (LDAPS) Structured Query Language (SQL) Server Remote Desktop Protocol (RDP) Session Initiation Protocol (SIP) Understanding Port Functions Traffic Types What''s Next?
CHAPTER 2 Network Topologies, Architectures, and Types Network Topologies Star/Hub and Spoke Mesh Topology Hybrid Topology Point to Point Spine and Leaf Three-Tier Hierarchical Model Collapsed Core Traffic Flows Older Topologies: Bus and Ring What''s Next?
CHAPTER 3 Network Addressing, Routing, and Switching IPv4 Network Addressing An Overview of IPv4 IP Address Classes Subnet Mask Assignment Subnetting Identifying the Differences Between IPv4 Public and Private Networks Classless Interdomain Routing Default Gateways Assigning IP Addresses Identifying MAC Addresses Routing and Switching Technologies The Default Gateway Routing Tables Static Routing Default Route Switching Methods Dynamic Routing Route Selection Address Translation First Hop Redundancy Protocol (FHRP) Virtual IP Subinterfaces Virtual Local-Area Networks Interface Configuration and Switch Management Voice VLAN Trunking The Spanning Tree Protocol (STP) Maximum Transmission Unit (MTU) Network Services Dynamic Host Configuration Protocol The DHCP Process DHCP and DNS Suffixes DHCP Relays and IP Helpers Domain Name Service (DNS) The DNS Namespace Types of DNS Entries DNS Records DNS in a Practical Implementation Time Protocols What''s Next?
CHAPTER 4 Network Implementations Common Networking Devices Router Switch Firewall IDS/IPS Load Balancer Proxy Server Network-Attached Storage (NAS) Storage-Area Networks Wireless Access Point Wireless LAN Controller Applications/Content Delivery Network VPNs Quality of Service Time To Live (TTL) Networking Use Cases Software-Defined Networking Virtual Extensible Local-Area Network (VXLAN) Zero Trust Architecture (ZTA) Secure Access Secure Edge (SASE)/Security Service Edge (SSE) Infrastructure as Code (IaC) IPv6 Addressing Comparing IPv4 and IPv6 Addressing What''s Next?
CHAPTER 5 Cabling Solutions and Issues General Media Considerations Broadband Versus Baseband Transmissions Simplex, Half-Duplex, and Full-Duplex Modes Data Transmission Rates Wired Versus Wireless Types of Wired Network Media Types of Media Connectors Media Couplers/Converters TIA/EIA 568A and 568B Wiring Standards Straight-Through Versus Crossover Cables Rollover and Loopback Cables Ethernet Copper and Fiber Standards Multiplexing Options Troubleshooting Common Cable Connectivity Issues Limitations, Considerations, and Issues Throughput, Speed, and Distance Cabling Specifications/Limitations Cabling Considerations Cabling Issues Signal Degradation Interference Improper Termination Incorrect Pinout Bad Ports Open/Short LED Status Indicators Duplexing Issues TX/RX Reversed Dirty Optical Cables Interface Issues Hardware Issues Power over Ethernet Issues Transceiver Issues Common Tools Cable Crimpers, Strippers, and Snips/Cutters Punchdown Tools Tone Generator Loopback Adapter TDR/OTDR Multimeter Cable Tester Wire Map Tap Fusion Splicer Spectrum Analyzer Fiber Light Meter What''s Next?
CHAPTER 6 Wireless Solutions Understanding Wireless Basics Wireless Channels and Frequencies Speed, Distance, and Bandwidth Channel Bonding MIMO/MU-MIMO/Directional/Omnidirectional Network Types Establishing Communications Between Wireless Devices Guest Networks Configuring the Wireless Connection Autonomous and Lightweight Access Points What''s Next?
CHAPTER 7 Cloud Computing Concepts and Options Cloud Concepts Service Models Software as a Service Platform as a Service Infrastructure as a Service Deployment Models Private Cloud Public Cloud Hybrid Cloud Multitenancy Elasticity Scalability Network Functions Virtualization (NFV) Cloud Connectivity Options Virtual Private Cloud (VPC) Cloud Gateways Network Security, Groups, and Lists What''s Next?
CHAPTER 8 Network Operations Physical Installation Factors Components of Wiring Distribution Using Uninterruptible Power Supplies Beyond the UPS Environmental Factors Organizational Processes and Procedures Wiring and Port Locations Physical and Logical Network Diagrams Baseline/Golden Configurations Policies, Procedures, Configurations, and Regulations Labeling Monitoring Network Performance Common Performance Metrics SNMP Network Performance, Load, and Stress