2026 · Q61
Which one among the following protocols works at application layer in a TCP/IP protocol suit?
General KnowledgeStatic General Awareness
- AIP
- BTCP
- CTELNET
- DGo-back-N
Explanation
TELNET is an application-layer protocol used for remote terminal access. IP operates at the network layer, TCP at the transport layer, and Go-Back-N is an automatic-repeat-request mechanism at the data-link layer. The answer is (C).