Computer Networking (one word)

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  1. What does LAN stand for? → Local

  2. What does WAN stand for? → Wide

  3. What does MAN stand for? → Metropolitan

  4. What does PAN stand for? → Personal

  5. What does VPN stand for? → Virtual

  6. What does ISP stand for? → Provider

  7. What does IP stand for? → Internet

  8. What does MAC stand for? → Address

  9. What does DNS stand for? → Domain

  10. What does DHCP stand for? → Dynamic

  11. What does HTTP stand for? → Hypertext

  12. What does HTTPS stand for? → Secure

  13. What does FTP stand for? → File

  14. What does SMTP stand for? → Mail

  15. What does POP3 stand for? → Post

  16. What does IMAP stand for? → Access

  17. What does VoIP stand for? → Voice

  18. What does URL stand for? → Locator

  19. What does ARP stand for? → Resolution

  20. What does RARP stand for? → Reverse

  21. What does ICMP stand for? → Control

  22. What does SNMP stand for? → Management

  23. What does Telnet provide? → Remote

  24. What does SSH provide? → Secure

  25. What does Ping test? → Connectivity

📡 Devices & Hardware (26–50)

  1. Device connecting LAN segments → Switch

  2. Device connecting different networks → Router

  3. Device repeating signals → Repeater

  4. Device dividing collision domains → Bridge

  5. Device connecting wireless clients → Access‑Point

  6. Device providing firewall → Firewall

  7. Device converting digital to analog → Modem

  8. Device storing cached web pages → Proxy

  9. Device balancing traffic → Load‑Balancer

  10. Device detecting intrusions → IDS

  11. Device preventing intrusions → IPS

  12. Device translating addresses → NAT

  13. Device providing VPN → Gateway

  14. Device monitoring packets → Sniffer

  15. Device resolving names → DNS‑Server

  16. Device assigning IPs → DHCP‑Server

  17. Device sending emails → SMTP‑Server

  18. Device receiving emails → POP3‑Server

  19. Device storing files → FTP‑Server

  20. Device hosting websites → Web‑Server

  21. Device managing network → SNMP‑Manager

  22. Device filtering packets → ACL

  23. Device securing perimeter → UTM

  24. Device caching DNS → Resolver

  25. Device authenticating users → AAA

  1. OSI model layers → Seven

  2. TCP/IP model layers → Four

  3. OSI layer 1 → Physical

  4. OSI layer 2 → Data‑Link

  5. OSI layer 3 → Network

  6. OSI layer 4 → Transport

  7. OSI layer 5 → Session

  8. OSI layer 6 → Presentation

  9. OSI layer 7 → Application

  10. TCP protocol type → Reliable

  11. UDP protocol type → Unreliable

  12. Protocol for web → HTTP

  13. Protocol for secure web → HTTPS

  14. Protocol for file transfer → FTP

  15. Protocol for secure file transfer → SFTP

  16. Protocol for email sending → SMTP

  17. Protocol for email receiving → POP3

  18. Protocol for email access → IMAP

  19. Protocol for remote login → Telnet

  20. Secure remote login → SSH

  21. Protocol for IP resolution → ARP

  22. Protocol for reverse resolution → RARP

  23. Protocol for error reporting → ICMP

  24. Protocol for network management → SNMP

  25. Protocol for time sync → NTP

  1. Technique hiding IPs → NAT

  2. Technique encrypting traffic → SSL

  3. Technique securing wireless → WPA2

  4. Technique authenticating users → Kerberos

  5. Technique tunneling traffic → VPN

  6. Technique preventing loops → STP

  7. Technique segmenting networks → VLAN

  8. Technique prioritizing traffic → QoS

  9. Technique detecting intrusions → IDS

  10. Technique preventing intrusions → IPS

  11. Technique filtering packets → ACL

  12. Technique securing perimeter → Firewall

  13. Technique balancing load → Load‑Balancing

  14. Technique caching DNS → Resolver

  15. Technique securing boot → Secure‑Boot

  16. Technique encrypting emails → PGP

  17. Technique securing websites → TLS

  18. Technique authenticating wireless → 802.1X

  19. Technique securing LAN → MAC‑Filtering

  20. Technique securing WAN → IPSec

  21. Technique securing cloud → IAM

  22. Technique securing endpoints → Antivirus

  23. Technique securing data → Encryption

  24. Technique ensuring integrity → Hashing

  25. Technique ensuring availability → Redundancy

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