Computer Networks

Where to Move

Move chapter:

• ☰ 1 Introduction to Networking
  • ☰ 1.1 What is a Computer Network?
  • ☰ 1.2 Why Networks Matter
  • ☰ 1.3 Types of Networks
    • ☰ 1.3.1 PAN
    • ☰ 1.3.2 LAN
    • ☰ 1.3.3 MAN
    • ☰ 1.3.4 WAN
  • ☰ 1.4 Network Topologies
    • ☰ 1.4.1 Bus
    • ☰ 1.4.2 Star
    • ☰ 1.4.3 Ring
    • ☰ 1.4.4 Mesh
  • ☰ 1.5 Network Components
    • ☰ 1.5.1 Hosts
    • ☰ 1.5.2 Clients / Servers
    • ☰ 1.5.3 NICs
    • ☰ 1.5.4 Switches
    • ☰ 1.5.5 Routers
    • ☰ 1.5.6 Modems
  • ☰ 1.6 Bandwidth, Latency, Throughput
• ☰ 2 Binary and Networking Fundamentals
  • ☰ 2.1 Binary Numbers
  • ☰ 2.2 Bits vs Bytes
  • ☰ 2.3 Decimal ↔ Binary Conversion
  • ☰ 2.4 Hexadecimal Basics
  • ☰ 2.5 Data Units (Kbps, Mbps, Gbps)
  • ☰ 2.6 Encapsulation
• ☰ 3 OSI Model
  • ☰ 3.1 Why Layering?
  • ☰ 3.2 Overview of 7 Layers
  • ☰ 3.3 Physical Layer
  • ☰ 3.4 Data Link Layer
  • ☰ 3.5 Network Layer
  • ☰ 3.6 Transport Layer
  • ☰ 3.7 Session Layer
  • ☰ 3.8 Presentation Layer
  • ☰ 3.9 Application Layer
  • ☰ 3.10 Encapsulation & Decapsulation
  • ☰ 3.11 Packet Journey
• ☰ 4 TCP/IP Model
  • ☰ 4.1 TCP/IP vs OSI
  • ☰ 4.2 Internet Layer
  • ☰ 4.3 Transport Layer
    • ☰ 4.3.1 Ports & Sockets
    • ☰ 4.3.2 TCP Overview
    • ☰ 4.3.3 Three-Way Handshake
    • ☰ 4.3.4 Reliable Transmission
    • ☰ 4.3.5 Flow Control
    • ☰ 4.3.6 Congestion Control
    • ☰ 4.3.7 UDP
    • ☰ 4.3.8 TCP vs UDP
  • ☰ 4.4 Application Layer
  • ☰ 4.5 Packet Flow
• ☰ 5 Physical Layer & Transmission Media
  • ☰ 5.1 Electrical Signals
  • ☰ 5.2 Copper Cables
    • ☰ 5.2.1 Twisted Pair
    • ☰ 5.2.2 Coaxial
  • ☰ 5.3 Fiber Optics
  • ☰ 5.4 Wireless Transmission
  • ☰ 5.5 Duplex Modes
  • ☰ 5.6 Signal Loss
  • ☰ 5.7 Error Detection
• ☰ 6 Ethernet and Switching
  • ☰ 6.1 Ethernet Basics
  • ☰ 6.2 MAC Addresses
  • ☰ 6.3 Ethernet Frames
  • ☰ 6.4 Collision Domains
  • ☰ 6.5 Broadcast Domains
  • ☰ 6.6 Hubs vs Switches
  • ☰ 6.7 MAC Learning
  • ☰ 6.8 VLANs
  • ☰ 6.9 Trunking (802.1Q)
  • ☰ 6.10 Spanning Tree Protocol
• ☰ 7 IP Addressing
  • ☰ 7.1 IPv4 Fundamentals
  • ☰ 7.2 Public vs Private IP
  • ☰ 7.3 Classful Addressing
  • ☰ 7.4 Subnet Masks
  • ☰ 7.5 CIDR
  • ☰ 7.6 Subnetting
  • ☰ 7.7 VLSM
  • ☰ 7.8 Supernetting
  • ☰ 7.9 IP Planning
• ☰ 8 IPv6
  • ☰ 8.1 Why IPv6?
  • ☰ 8.2 IPv6 Address Format
  • ☰ 8.3 Address Types
  • ☰ 8.4 IPv6 Header
  • ☰ 8.5 SLAAC
  • ☰ 8.6 Neighbor Discovery
  • ☰ 8.7 IPv4 vs IPv6
• ☰ 9 Routing Fundamentals
  • ☰ 9.1 What is Routing?
  • ☰ 9.2 Static Routing
  • ☰ 9.3 Dynamic Routing
  • ☰ 9.4 Routing Tables
  • ☰ 9.5 Administrative Distance
  • ☰ 9.6 Metrics
  • ☰ 9.7 Default Routes
  • ☰ 9.8 Route Summarization
• ☰ 10 Routing Protocols
  • ☰ 10.1 Distance Vector Routing
  • ☰ 10.2 Link State Routing
  • ☰ 10.3 RIP
  • ☰ 10.4 OSPF
  • ☰ 10.5 EIGRP
  • ☰ 10.6 BGP
  • ☰ 10.7 Path Selection
  • ☰ 10.8 Convergence
• ☰ 11 ARP, ICMP, and Core Protocols
  • ☰ 11.1 ARP
  • ☰ 11.2 Gratuitous ARP
  • ☰ 11.3 ICMP
  • ☰ 11.4 Ping
  • ☰ 11.5 Traceroute
  • ☰ 11.6 MTU & Fragmentation
• ☰ 12 DNS and Name Resolution
  • ☰ 12.1 Why DNS?
  • ☰ 12.2 Domain Hierarchy
  • ☰ 12.3 Recursive Queries
  • ☰ 12.4 DNS Record Types
    • ☰ 12.4.1 A
    • ☰ 12.4.2 AAAA
    • ☰ 12.4.3 CNAME
    • ☰ 12.4.4 MX
    • ☰ 12.4.5 TXT
  • ☰ 12.5 DNS Caching
  • ☰ 12.6 DNS Security
• ☰ 13 Application Layer Protocols
  • ☰ 13.1 HTTP / HTTPS
  • ☰ 13.2 FTP / SFTP
  • ☰ 13.3 SMTP
  • ☰ 13.4 POP3
  • ☰ 13.5 IMAP
  • ☰ 13.6 SSH
  • ☰ 13.7 Telnet
  • ☰ 13.8 DHCP
  • ☰ 13.9 SNMP
  • ☰ 13.10 NTP
• ☰ 14 Wireless Networking
  • ☰ 14.1 Radio Fundamentals
  • ☰ 14.2 Wi-Fi Standards
  • ☰ 14.3 Frequency Bands
  • ☰ 14.4 Channels
  • ☰ 14.5 Roaming
  • ☰ 14.6 Interference
  • ☰ 14.7 WPA2 / WPA3
  • ☰ 14.8 Enterprise Wi-Fi
• ☰ 15 NAT and Internet Connectivity
  • ☰ 15.1 NAT Basics
  • ☰ 15.2 PAT
  • ☰ 15.3 Port Forwarding
  • ☰ 15.4 ISP Concepts
  • ☰ 15.5 CGNAT
  • ☰ 15.6 Internet Routing
• ☰ 16 Network Security Fundamentals
  • ☰ 16.1 CIA Triad
  • ☰ 16.2 Firewalls
  • ☰ 16.3 ACLs
  • ☰ 16.4 VPN
  • ☰ 16.5 IDS / IPS
  • ☰ 16.6 Zero Trust
  • ☰ 16.7 DDoS
  • ☰ 16.8 Malware in Networks
  • ☰ 16.9 Security Hardening
• ☰ 17 Network Services
  • ☰ 17.1 Load Balancing
  • ☰ 17.2 Reverse Proxy
  • ☰ 17.3 Web Hosting
  • ☰ 17.4 CDN
  • ☰ 17.5 DNS Hosting
• ☰ 18 Monitoring and Troubleshooting
  • ☰ 18.1 Troubleshooting Methodology
  • ☰ 18.2 Layer-by-Layer Debugging
  • ☰ 18.3 Ping / Traceroute
  • ☰ 18.4 Netstat
  • ☰ 18.5 Tcpdump
  • ☰ 18.6 Wireshark
  • ☰ 18.7 Logs
  • ☰ 18.8 Packet Analysis
• ☰ 19 Virtualization and Cloud Networking
  • ☰ 19.1 Virtual Switches
  • ☰ 19.2 Hypervisors
  • ☰ 19.3 SDN
  • ☰ 19.4 Overlay Networks
  • ☰ 19.5 Containers & Networking
  • ☰ 19.6 Kubernetes Networking
  • ☰ 19.7 Cloud VPCs
• ☰ 20 Advanced Enterprise Networking
  • ☰ 20.1 MPLS
  • ☰ 20.2 VXLAN
  • ☰ 20.3 EVPN
  • ☰ 20.4 SD-WAN
  • ☰ 20.5 QoS
  • ☰ 20.6 Traffic Engineering
• ☰ 21 Automation & Infrastructure as Code
  • ☰ 21.1 Why Automation?
  • ☰ 21.2 APIs
  • ☰ 21.3 REST
  • ☰ 21.4 Python for Networking
  • ☰ 21.5 Netmiko
  • ☰ 21.6 Ansible
  • ☰ 21.7 Terraform
  • ☰ 21.8 Configuration Management
• ☰ 22 Network Design
  • ☰ 22.1 Small Office Design
  • ☰ 22.2 Enterprise Design
  • ☰ 22.3 Data Center Networks
  • ☰ 22.4 Redundancy
  • ☰ 22.5 High Availability
  • ☰ 22.6 Capacity Planning
• ☰ 23 Specialized Topics
  • ☰ 23.1 IoT Networking
  • ☰ 23.2 Industrial Networks
  • ☰ 23.3 5G Basics
  • ☰ 23.4 Satellite Networks
  • ☰ 23.5 HPC Networking (InfiniBand, RDMA)
  • ☰ 23.6 Edge Computing
• ☰ 24 Capstone Projects
  • ☰ 24.1 Home Lab Project
  • ☰ 24.2 Enterprise Network Design
  • ☰ 24.3 Secure Multi-Site Network
  • ☰ 24.4 Packet Analysis Project
  • ☰ 24.5 Cloud Networking Project
• ☰ 25 Bonus Content
  • ☰ 25.1 Certification Prep (CCNA / CCNP)
  • ☰ 25.2 Interview Questions
  • ☰ 25.3 Hands-on Labs
  • ☰ 25.4 Real-World Case Studies
  • ☰ 25.5 Final Exam