Basics about the concept of ARP
Cloud Engineer Interview Questions
5,808 cloud engineer interview questions shared by candidates
How DNS works? Can you explain tcp 3 way handshake?
Few rounds were managerial (based on leadership principles) and few rounds were super technical
what and how to check resources on a machine (linux or windows) that will help you figure out if there's a bottleneck
What are HTTP error codes? What to do if the server breaks down.
What is the boot process of Linux? What do you do when your system performance is slowing down? How to check performance, memory and disk usage? What do you do when a core process is using most of the memory and you can't afford to kill it? Questions about NFS, bash scripts. What is written in the first line of a bash script and what does it tell the system? Explain where you had to do something when nobody else wanted. An experience when a customer asked you something of which you knew that there was something else better. Pick a Linux topic and tell me anything about it.
Design a highly available web application
VPN, virtualization Difference between ospf and BGP
How to repair blue screen error?
First they asked about Hadoop and mapreduce questions, then they shifted to Java, Linux and Networking. Questions - What is file descriptor? Command to check used memory by all running tasks Command to check all processes running. Command to check stopped/off processes What is data locality? What happens in Shuffling at MapReduce phase? Say my replication factor is 3, and cluster of 10 nodes, one node fails, what happens to the file I have copied. Say my replication factor is 3, I changed it to 2, what happens to the files then. Suppose developer sends me a code to run, mapping phase completes at 100 percent, and reducing phase is stuck at 20% for 2 hours and then it completes, what can be the reason for it. How will you troubleshoot it? What is the difference between MapReduce 1 and 2? What is speculative execution? What is Garbage Collector? Is it good to use it? Explain what happens in linux between the process of switching power-on till the login screen. (boot process)
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