Network Technology Interview Questions

11,015 network technology interview questions shared by candidates

Q: What is MTU and what issues can arise from an incorrect MTU setting? Q: Describe the difference between TCP and UDP in terms of reliability and use cases. Q: What’s the purpose of ARP and how does ARP poisoning work? Q: How does a firewall differ from a proxy server?
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Network Engineer

Interviewed at C-DOT

3.8
Jun 24, 2025

Q: What is MTU and what issues can arise from an incorrect MTU setting? Q: Describe the difference between TCP and UDP in terms of reliability and use cases. Q: What’s the purpose of ARP and how does ARP poisoning work? Q: How does a firewall differ from a proxy server?

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