I applied through university. I interviewed at Zscaler
Interview
Campus recruitment
1st round: online aptitude and coding
2nd round: online webcam interview for shortlisted students.
Core Linux OS and Networking questions. Interview lasterd for 1 hr, 20 min. Very long and tiring.
Interview questions [1]
Question 1
OS questions: Thrashing, preemption
OOPS: friend keyword, static and dynamic binding
Networking: Proxy Server
Questions on projects mentioned in the resume.