Collabera Technologies Analyst Interview Questions and Answers

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Q1. Python code for reversing string
Ans. 
Use Python's slicing feature to reverse a string.
• Use string slicing with a step of -1 to reverse the string.

• Example: 'hello'[::-1] will return 'olleh'.
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Q1. What is linux & why linux is considered to be more secured .how to secure the linux server & what is DNS .how to host a webpage in linux
Ans. 
Linux is an open-source operating system known for its security features. DNS is a system that translates domain names to IP addresses. Hosting a webpage in Linux involves setting up a web server.
• Linux is an open-source operating system that is considered more secure due to its strong user permissions system and regular security updates.

• To secure a Linux server, best practices include keeping the system updated, using ...read more
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Q2. What are other flavours of linux have you used any other flavour . Diff between telnet and ssh . What is NFS and port no. What is ncat command
Ans. 
I have used various flavors of Linux such as Ubuntu, CentOS, and Fedora. Telnet is insecure while SSH is secure. NFS is a network file system with port number 2049. Ncat is a networking utility for reading and writing data across networks.
• Flavors of Linux I have used include Ubuntu, CentOS, and Fedora

• Telnet is insecure as it sends data in plain text, while SSH encrypts data for secure communication

• NFS (Network File Sys...read more
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Q3. How to deny access to user in linux and how to check how many users are logged in
Ans. 
To deny access to a user in Linux, you can use the 'usermod' command to lock the account. To check how many users are logged in, you can use the 'who' command.
• To deny access to a user, use 'usermod -L username' to lock the account

• To check how many users are logged in, use the 'who' command

• You can also use the 'w' command to see who is logged in and what they are doing
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Q4. Ps -ef what will it do what is strace command . What is tar and how to uncompress a file without extracting it what is /etc/motd what does it do
Ans. 
Ps -ef lists all processes, strace command traces system calls, tar is used for archiving files, /etc/motd displays message of the day.
• Ps -ef command lists all processes running on the system

• Strace command is used to trace system calls made by a process

• Tar command is used to archive files and directories

• To uncompress a file without extracting it, you can use 'tar -xOzf file.tar.gz | less' to view the contents without e...read more
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Q1. This was a managerial round and a simple . Manager explains about the company and various other things
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Q2. They will ask some basic questions from your resume
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They give a briefing about the work role and provide some case studies to analyse the sentimental analysis.

Q1. Basic HR Interview like introduction and company knowledge.
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Q2. Questions regarding the job role.
Ans. Browse about what Media Analyst is and what is sentimental analysis.
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Simple test for DSA php machine learning

General aptitude test

Q1. Second round was technical round
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Q1. In this round some coding questions and logical questions was asked
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