Interview Q&A / Computer Networks

INTERVIEW Q&A · 55 QUESTIONS

Computer Networks interview questions

What happens when you open a website, TCP vs UDP, DNS and HTTP.

  1. How does traceroute discover the path to a server?

    It sends packets with TTL set to 1, then 2, then 3 and so on. Each router that drops a packet at TTL 0 replies with an ICMP Time Exceeded message, revealing its address, until the destination itself replies.

    IntermediateQuick answer1 min read