ETC EngineeringMCQs
Home

Ports MCQs

Practice Ports MCQs with four options, answers and explanations for focused Electronics & Telecommunication Engineering revision.

Question 1
Computer & Networking BasicsPorts

A transport-layer port number primarily identifies?

  • AAn application or process endpoint on a host
  • BA physical switch connector only
  • CA router's power supply
  • DA cable length
Report an error
Correct Answer: A. An application or process endpoint on a host
Explanation: TCP and UDP ports allow incoming traffic to be delivered to the appropriate application/process endpoint.
Reference: Standard computer networking fundamentals: ports