Basics of network troubleshooting and a few questions on clustering.
Cloud Marketing Interview Questions
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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)
What is nslookup? What is fstab?
Spark on YARN deployment modes.
Describe time when you solved a big issue a
Describe why you chose microservice in your previous project.
What is a lan ? Can you give me different type of storage ?
Tell me about a time you went above and beyond for a customer?
How am I willing to help
Name a previous experience you had where you didn't have all the information and how you approached getting it
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