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Network Engineering Interview Questions

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158 network engineering interview questions shared by candidates

They were specifically looking for some experience with scripting languages like Python - asked me to write a couple of programs. One of them was related to parsing large log files and recognizing patterns (with the use of regular expressions). Then there were the standard white board questions pertaining a random network topology, to walk them through the process of message transfer through the bottom three layers.
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Engineer II (Network Engineering)

Interviewed at Comcast

3.8★
Mar 18, 2014

They were specifically looking for some experience with scripting languages like Python - asked me to write a couple of programs. One of them was related to parsing large log files and recognizing patterns (with the use of regular expressions). Then there were the standard white board questions pertaining a random network topology, to walk them through the process of message transfer through the bottom three layers.

The questions were just randomly selected. You either knew them or you didn't. It is ridiculous to believe that a candidate can be evaluated properly on this basis. Apparently this company has yet to realize that IT pros and engineers research and document topics so this sort of memorization is not a necessity. It is far more important if someone can find an answer and problem solve than have answers to random questions memorized.
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Network Engineering Position

Interviewed at NetBrain Technologies

4.1★
Jul 12, 2013

The questions were just randomly selected. You either knew them or you didn't. It is ridiculous to believe that a candidate can be evaluated properly on this basis. Apparently this company has yet to realize that IT pros and engineers research and document topics so this sort of memorization is not a necessity. It is far more important if someone can find an answer and problem solve than have answers to random questions memorized.

Study up on networking questions from 1995. Know your well known ports SMTP, FTP, SSH, Telnet, etc... What is the difference between stubby and not so stubby, know difference between AH and ESP, how fast is an OC3 (seriously), when would you use next hop self, what are parameters for BGP routing decisions...
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Network Engineering

Interviewed at CoStar Group

2.7★
May 3, 2016

Study up on networking questions from 1995. Know your well known ports SMTP, FTP, SSH, Telnet, etc... What is the difference between stubby and not so stubby, know difference between AH and ESP, how fast is an OC3 (seriously), when would you use next hop self, what are parameters for BGP routing decisions...

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