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34 network test engineer interview questions shared by candidates

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.
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Network Product Test Specialist

Interviewed at XipLink

4.4★
Feb 27, 2021

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.

1)what is thrashing in OS 2) Write program for 8085 processor to add two no 3) what is semaphore ? 4).Name all network layers and protocol corresponding to each 5) what scheduler in OS. 6) Http protocol 7) what is paging (in OS) 8) Demon process 9) write a program to print IP address of system and it Status ( Active or inactive )
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Network Data Test Engineer

Interviewed at Cisco

4.1★
Oct 25, 2017

1)what is thrashing in OS 2) Write program for 8085 processor to add two no 3) what is semaphore ? 4).Name all network layers and protocol corresponding to each 5) what scheduler in OS. 6) Http protocol 7) what is paging (in OS) 8) Demon process 9) write a program to print IP address of system and it Status ( Active or inactive )

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