Question:

Choose the correct set of protocols of application layer of TCP/IP model

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Application layer deals with user-level functions — remember HTTP, SMTP, and DNS.
Updated On: May 26, 2025
  • DSL, SONET, Ethernet
  • IP, TCP, UDP
  • IP, ICMP, RTP
  • HTTP, SMTP, DNS
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The Correct Option is D

Solution and Explanation

Application layer protocols in the TCP/IP model include HTTP (web), SMTP (email), and DNS (domain name resolution).
Other options list protocols from transport, network, or data link layers.
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