Networking and Engineer Interview Questions and Answer – Part 4

Using the OSI model, which layer has the responsibility of making sure that the packet gets where it is supposed to go? What is the subnet mask, network address and…

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DevOps Interview Questions and Answer – Part 4

Can you describe your workflow when you create a script? What is GIT? What is a dynamically/statically linked file? What does “./configure && make && make install” do? What is…

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Networking and Engineer Interview Questions and Answer – Part 3

What is localhost and why would ping localhost fail? What is the similarity between “ping” & “traceroute” ? How is traceroute able to find the hops. What is the command used to…

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Linux Interview Questions and Answer – Part 9

What is a tunnel and how you can bypass a http proxy? What is the difference between IDS and IPS? What shortcuts do you use on a regular basis? What…

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Linux Interview Questions and Answer – Part 8

What do the following commands do and how would you use them? tee awk tr cut tac curl wget watch head tail less cat touch sar netstat tcpdump lsof What…

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Linux Interview Questions and Answer – Part 7

What is the name and the UID of the administrator user? How to list all files, including hidden ones, in a directory? What is the Unix/Linux command to remove a…

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DevOps Interview Questions and Answer – Part 3

What did you learn yesterday/this week? Talk about your preferred development/administration environment. (OS, Editor, Browsers, Tools etc.) Tell me about the last major Linux project you finished. Tell me about…

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AWS Interview Questions and Answer Part – 4

Describe the advantages/disadvantages of using CloudFormation to manage your resources Would you use CloudFormation to create a RDS database? Describe EC2 spot instances and which use cases it can be…

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Networking and Engineer Interview Questions and Answer – Part 2

Say I open a web browser and enter an address. I hit enter. Describe how the connection the works in as much detail as possible. Trying to hear that they…

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Networking and Engineer Interview Questions and Answer – Part 1

What is IPv6 ? Why should we care? How does ping work ? What about traceroute ? I type http://www.yahoo.com in my browser’s URL bar and I press enter. What happens ?…

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DBA Interview Questions and Answer – Part 1

What’s ACID ? How is it implemented ? What is row level locking ? Table level locking ? How do you check which jobs are running? Imagine you have a…

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SysOps Interview Questions and Answer – Part 1

What is your favorite editor? What is RAID? What is RAID0, RAID1, RAID5, RAID10? Describe the general file system hierarchy of a Linux system. Describe what each of the following…

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DevOps Interview Questions and Answer – Part 2

What DevOps is? Why do we need it? Example of answers: Why do we need it? Increase deployment frequency Lower failure rate of new releases Shortened lead time between fixes…

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Linux Interview Questions and Answer – Part 6

script/command to delete last word from every line in a file 2.script/command to find the files with more than 1gb size What is Swap Space? What is the maximum length…

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Git Interview Questions and Answer Part – 5

What is the function of ‘git rm’? What is the function of ‘git checkout’ in git? What is the use of ‘git log’? Explain what is commit message? How to…

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Git Interview Questions and Answer Part – 4

What is Version control system or Source code manager? Benefits of VCS or SCM? What is Git and What is a repository in GIT? Diffrence between Git and SVN? Two…

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Linux Interview Questions and Answer – Part 5

How to check the logs? Difference between Journalctl & tail command? What does the subscription-manager do? How to archive a file? What is umask? How to kill a process? How…

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Linux Interview Questions and Answer – Part 4

What is MAC address? can we change the physical address? How to check system uptime? How to check memory information? What is SWAP? What is the exact memory free in…

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Linux Interview Questions and Answer – Part 3

What is SetGID, SetUID & Stickybit? Location where all the user information are stored? File where user password are stored? What is the default permission of a file? What is…

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Linux Interview Questions and Answer – Part 2

What is Linux? What are Linux OS Flavors? Difference between Debian & RPM based OS? What is Kernel? Explain the boot process of Linux OS? How is RHEL different from…

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