Interview Q&A / Computer Networks
Computer Networks interview questions
What happens when you open a website, TCP vs UDP, DNS and HTTP.
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- 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