ChicMic Devops Engineer Interview Questions and Answers

They gave me an option to write a Python or Shell script(simple assessment). Asked about Kubernetes pods as to how they are created. Also a little about Terraform

2 questions linked list and 2nd max element

Q1. Cloud computing topics
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Q2. Quick sort coding
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Go,aws, kubernetes, docker, terraform, git

Q1. How to check the open files in the linux without using lsof
Ans. 
To check open files in Linux without using lsof, you can use the /proc filesystem.
• Access the /proc//fd directory to view open files for a specific process.

• Use the find command to search for open files in the /proc directory.

• Check the /proc/sys/fs/file-nr file to see the total number of open files system-wide.
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Q2. What is /proc linux
Ans. 
The /proc filesystem in Linux is a virtual filesystem that provides detailed information about the system's hardware, processes, and kernel.
• It is a virtual filesystem located at /proc that allows access to kernel data structures.

• It provides information about processes, hardware, and kernel configuration.

• Files in /proc can be read to gather system information, such as CPU usage, memory usage, and network statistics.
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Q1. Difference between http1.1 vs https2
Ans. 
HTTP/1.1 is a protocol for transferring data over the internet, while HTTPS/2 is a secure version of HTTP/2 with improved performance.
• HTTP/1.1 is not secure by default, while HTTPS/2 provides encryption and security.

• HTTP/1.1 uses multiple connections for parallel loading of resources, while HTTPS/2 uses a single connection with multiplexing.

• HTTPS/2 supports header compression, reducing overhead and improving performanc...read more
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Q2. What is grpc ?
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gRPC is a high-performance, open-source RPC (Remote Procedure Call) framework developed by Google.
• gRPC stands for Google Remote Procedure Call.

• It uses HTTP/2 for transport, Protocol Buffers for serialization, and supports multiple programming languages.

• gRPC allows for efficient communication between services in a microservices architecture.

• It enables bi-directional streaming and authentication features.

• Example: gRPC ca...read more
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Find element in a linkedList , Reverse a linkedList

Q1. Experience in python, Some python related questions and bash scipting
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Binary Tree , Stacks & Queues , Recursion

Q1. DSA Questions and Interview question on Networking
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Q1. Basic HR Questions that you will get
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Q1. It was basic techincal interview with basic coding questions
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Q2. Find Fabonacci sum till 555
Ans. 
The Fibonacci sequence is a series of numbers where each number is the sum of the two preceding ones, starting from 0 and 1.
• Start with 0 and 1 as the first two numbers in the sequence

• Add the previous two numbers to get the next number in the sequence

• Continue this process until reaching the sum of 555
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Q1. DSA questions like DP and string manipulation questions
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Q1. DSA Round (Prepare Stack DS)
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Q2. Prepare core DevOps tools & Have proper knowledge about a specific cloud + learn k8s
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