I recommend on reading Linux internals like memory, CPU interrupts.
Production Operations Engineer Interview Questions
4,095 production operations engineer interview questions shared by candidates
Tech interviews had mostly Leetcode questions, for me that was the most complex part. Behavioural part was really interesting and more like a friendly conversation. Architecture and design - nothing special, just what buttons should be in the interface and which columns in the database, sharding, replication, and so on.
easy coding file i/o problem
Why I was interested in CNG?
Two easy leetcode style questions
Coding round: matching open-close brackets in a string. #20 2 csv files are given, have the same primary key column in both, have to take a column from each fcsv file, compute a new variable for each row, and print the rows based on decreasing order of this new row. systems round: what happens when a user searches for a website, (www.cheetos.com) questions about http(s) security, tcp handshake, dns resolution what happens on the webserver side when user makes a request Heavy load on single webserver, loadbalancing, scaling, distributed system concepts, 400, 500 errors and troubleshooting those errors, synchronisation of data in those webservers.
Coding questions, they were more systems-oriented than I expected.
Boiler plate. Good questions used to find my work experiences. No got-ya questions.
IQ tests
Algorithm. Troubleshooting
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