Remember PAT
Full name: Port Address Translation
Memory aid: Ports Allow many clients to share Translation.
Source-port mappings are different from physical connector ports.
Study area: Protocols & logical ports · Batch 2
Relevant study for: CompTIA A+ Core 1 220-1201 · CompTIA Network+ N10-009 · CompTIA Security+ SY0-701 · Cisco CCNA 200-301 · ISC2 CISSP 2024 outline
Practice with exam flashcards →Networking & Connectivity / Knowledge library
PAT — Port Address Translation
Shares translated addresses by tracking transport port mappings.
Why learn PAT — Port Address Translation?
Shares translated addresses by tracking transport port mappings.
Where it came from
Source-port mappings are different from physical connector ports.
- Memory aid (a learning cue, not the expansion): Ports Allow many clients to share Translation.
Build your understanding
Work through these exercises in order. Try the task before opening a reference.
- Without looking, expand PAT: Port Address Translation.
- Recall this memory aid: Ports Allow many clients to share Translation.
- Explain the practical use: Shares translated addresses by tracking transport port mappings.
- Explain this distinction: Source-port mappings are different from physical connector ports.
- Identify PAT in a device specification, architecture diagram, or system inventory.
Documentation and sources
- IEEE 802 LAN/MAN standards (www.ieee802.org)
- IETF Internet standards (www.rfc-editor.org)