I applied online. The process took 2 days. I interviewed at XipLink in Feb 2021
Interview
I applied in LinkedIn. Got a call immediately after the recruiter open the application. Telephonic interview of 30 minutes, about reviewing your experience and basic questions on networking protocols. Next round of 1 hour assessment, contains basic linux commands and networking protocols and questions.
Interview questions [1]
Question 1
What is TCP Slow start? What is TCP congestion avoidance?
What protocol does traceroute use?
A device with a subnet of 255.255.0.0 expects how many neighbours could be reachable without going through a gateway?
Name some reasons that someone may want to tunnel IPv4 packet streams.?
Name as many tunnelling protocols as you can (IP/cellular)?
Do you know what the software ‘Tor’ used for?
How do denial of service attacks work? Give an example. Name some techniques that can be used to defend against them?
A station wagon if filled with 1000 1GB thumb drives and is driving down the highway at 100km/h. What is its bandwidth?
In Linux (or other Unix) filesystems, explain about "s" permission bit in a file?
What are zombie processes?
What does the Linux command ‘du’ do?
Is Python code case sensitive?
In Python, when will the else part of try-except-else be executed?
and
Python coding question:
prints out the paths files within that
directory as well as any files contained in
contained directories.