CCNA R&S Question of the Week: No Acknowledgment of Receipt

Which transport layer protocol provides best-effort delivery service with no acknowledgment of receipt?

A. HTTP
B. IP
C. TCP
D. Telnet
E. UDP

Reveal Answer

Answer: E.

Transmission Control Protocol (TCP) and User Datagram Protocol (UDP) are transport layer protocols, IP is network layer and HTTP & Telnet are looked at as upper layer protocols or applications. UDP is best-effort, with no reliability or acknowledgement of receipt.

Related Resources
Cisco White Papers

Related Course
CCNAX v2.0 — CCNA Routing and Switching Boot Camp
ICND1 v2.0 — Interconnecting Cisco Networking Devices, Part 1
ICND2 v2.0 — Interconnecting Cisco Networking Devices, Part 2

CCNA R&S Question of the Week Series

• CCNA R&S Question of the Week: Full-Duplex Ethernet Network
• CCNA R&S Question of the Week: OSI Model Layer
• CCNA R&S Question of the Week: Connection-Oriented Service
• CCNA R&S Question of the Week: No Acknowledgment of Receipt

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