Interview prep
Computer Networking interview questions
TCP/IP, HTTP, DNS, the OSI model and network security. Practise free with instant feedback, then test yourself in a timed exam.
Sample Computer Networking questions
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Q1
TCP operates at which layer of the TCP/IP model?
- A Transport Layer
- B Internet Layer
- C Application Layer
- D Network Access Layer
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Q2
IP is responsible for:
- A File Compression
- B Encryption
- C Addressing and Routing
- D Authentication
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Q3
Which protocol provides reliable communication?
- A UDP
- B IP
- C TCP
- D ICMP
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Q4
Which protocol is connectionless?
- A UDP
- B TCP
- C SSH
- D FTP
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Q5
TCP ensures reliability through:
- A Encryption
- B Acknowledgments
- C Routing
- D Compression
Answers and explanations appear as you practise — take the free quiz to check yours.