Linux1) FTP port No2) Experience in FTP, Samba, NFS Services3) Difference between RHEL 6 & RHEL 74) How to figure out if someone logged into Server and what they did5) Difference between RPM & YUM6) What is a DNS Server & role of it any other Softwares which can do Name resolution7) Performance Tuning in Linux8) Application memory leaks & What action we can take if there is a memory leak9) If an application is taking 90% memory usage, what's the resolution you will take10) How to find which SQL query is taking more time & memory usage (Process List)11) chmod 444 /bin/chmod -> Impact on System and Users12) reboot server when reboot command is not working13) Lost root password14) rebooted a remote server but after 10minutes unable to ssh15) command to unpack tar.gz to a specific location16) command to remove all .doc files in a folder recursively17) Send an email without email client, from command line18) Test port 443 is accessible from remote machine r not19) grep command to find all occurances of word apple in file /usr/share/abc.txt20) Command to create a user in MySQL21) Purpose of running MySQL Secure Installation22) Use of Command nohup23) What is ssh port forwarding24) ssh into a remote server without typing a password25) What does '&' (and) operator after a command will do 26) Send an active process into background27) What is HTTP Proxy28) Role of DNS in a network29) What is virtual IP address30) What are command line text editors in Linux31) How to find Java Installation path & version32) Disk usage commands33) Command to find Kernel and OS34) Patching and Hardening35) Difference between 400 & 500 errors36) Free space command37) Soft link and Hard link 38) Difference between top and df commands 39) SCP and Rsync command 40) Disk error commands in Linux41) Can same shell script file run on both windows and linux AWS1) How VPN works2) What are NAT Gateway r NAT Instances and how to setup those3) Difference between Security groups & Network ACL4) What is AWS Snowball5) Experience in Migrating On-Primises Setup to Cloud6) What's the role of Network ACL7) Kind of Instance you created and why you have choosen that8) Dedicated Instances9) Billing Strategy in AWS10) AWS Lambda11) Inputs needed for VPC12) Why cant we use t2 micro for production13) VPC Peering14) What is Elastic Beanstalk15) Giving login permisions for one AWS account user to another AWS account user16) How to Block an IP range for instances17) Is it possible to deploy two applications in same server using load balancing or Auto scaling18) S3 bucket permissions 19) Route 53 20) Import local MySQL DB to RDS21) Accessing private instances from another availability zones22) Updating RDS server which is there in public subnet23) Accessing two applications with same port in same serverS24) Types of Auto Scaling policies25) Steps to create an instance, auto scaling and load balancing26) Types of Load Balancing27) What type of incoming traffic we will receive to Application Load Balancer28) What is cloud formation and what is cloud watch29) Services you used in aws30) How you are creating your aws services, using any tools 31) How you are creating your images (EC2 instances)32) How you will resolve if you're unable to login to your newly created instance (User and IP both are valid). It is integrated with LDAP33) When you're trying to connect to S3 from an ec2 instance you're not getting any response. What will be the issue 34) Which load balancer you're using and which protocol you're using and which application you deployed35) When you create a load balancer what and all functionalities will be there36) With what methodology the load will be splitted in a load balancer37) How you will integrate an Application load balancer with Auto Scaling39) How you're creating snapshots and if there are 100 ec2 instances, how you're going to take snapshots40) Difference between public & private subnets in VPC41) Difference between Internet gateway & NAT instance42) What is the difference between client side encryption and server side encryption43) What is Amazon ECS44) Create a cloudwatch alarm to monitor EFS45) On what parameters we have to create an autoscaling group46) When to choose an Application load balancer & when to use network load balancerDevops1) SVN - checkout & update working copy, Code difference between current and previous revisions2) Create a Build Pipeline from Compilation to Deployment of Application3) What is the use of Jenkins4) Difference between Containers and VM's5) Difference between Continuous delivery and Devops6) What is CDN7) What is Jenkins and for what purpose it is used for8) Installation & Jobs in Jenkins9) What type of Build you are using10) Command used in Jenkins Job for Maven Project11) Code Coverage Tools12) Congiguration Tools13) What kind of metric will be provided by Nagios 14) What is Bower & Gulp15) What are the protocols used in GIT & SVN16) Settings for giving SVN master access to Jenkins to fetch the code17) What is the purpose of Puppet & what are manifests18) What is the flow as soon as code is deployed, what is the life cycle of Deployment and how it is triggered19) What is the specific file type you are used in Jenkins20) How you are integrating Ansible inside Jenkins21) Create a Repository, add user, creare branch and push code, checkout and then commit something into that repository22) How to trigger Job-B once Job-A is done, how you will configure upstream and downstream23) What is the Job of sonarqube and what reports we will get 24) Command used to configure or run ansible 25) What happens in pipeline once your job is completed26) Explain ansible process27) Git command used to remove changes on a particular file28) Plugins used in Jenkins29) How to overcome r command to check conflicts in Git30) Command to delete a remote branch31) How to remove a last 3rd commit (previous to previous)32) If a remote repository has 100 branches, if i commit changes to one branch, do i have references of all the 100 branches in my local 33) What is local branch and what is remote branch 34) If a jenkins job is failed. ie., u got a compilation error. How do you resolve it. How u will find root cause for it.35) How to compile a java program or java project 36) Build steps to complie a java project in Jenkins37) Difference between central and distributed repository38) How jenkins will understand our project structure whether it is ANT or Maven39) Difference between Declarative and Scripted pipeline40) Types of stages in git 41) Difference between Jenkins online and offline42) Which configuration management tools you're using43) Which script you're using in Jenkins -- Maven or Groovy44) What is GIT branching45) What is GIT submodule46) What and all commands you have used in GIT47) When you're trying to pull a repository you're getting a Fork error48) Advantages of docker containerization49) What is Docker Architecture50) How to login to ec2 ansible clients using ssh keys51) VPN provisioning in AWS using 52) Deploy application in 100 ansible clients53) Jenkins plugins for code coverage54) Buid a Docker Container55) Deploy an app in all the nodes56) Creating a pod in kubernetes when an existing pod goes offline57) What is DevOps58) Why to use DevOps59) How does a jenkins job identify when a new code is commited to repository60) What is a version control, Why we say that GIT is a distributed VCS61) How local copy will sync with remote server62) How to recover or recreate if a central repository is deleted63) Merge issue when syncing with master repository but not with local repository64) What is GIT rebase65) Difference between git commit and git rebase66) What are GIT branching strategies67) What is CI & CD, why can't we call it as a build automation instead of CI68) What do you mean by build server (Jenkins), what are the operations it can do69) When you create a pipeline, what are the things or steps or process you use/choose 70) Sonarqube will be linked to jenkins or to the jobs ex:- pipeline jobs71) How to do Continuous testing in Jenkins72) Why do we need a docker swarm73) Difference between docker compose and docker file74) What is orchestration75) In which ways Ansible helps in a DevOps environment76) Authentication in Jenkins77) GIT lock

Linux

1) FTP port No

2) Experience in FTP, Samba, NFS Services

3) Difference between RHEL 6 & RHEL 7

4) How to figure out if someone logged into Server and what they did

5) Difference between RPM & YUM

6) What is a DNS Server & role of it any other Softwares which can do Name resolution

7) Performance Tuning in Linux

8) Application memory leaks & What action we can take if there is a memory leak

9) If an application is taking 90% memory usage, what's the resolution you will take

10) How to find which SQL query is taking more time & memory usage (Process List)

11) chmod 444 /bin/chmod -> Impact on System and Users

12) reboot server when reboot command is not working

13) Lost root password

14) rebooted a remote server but after 10minutes unable to ssh

15) command to unpack tar.gz to a specific location

16) command to remove all .doc files in a folder recursively

17) Send an email without email client, from command line

18) Test port 443 is accessible from remote machine r not

19) grep command to find all occurances of word apple in file /usr/share/abc.txt

20) Command to create a user in MySQL

21) Purpose of running MySQL Secure Installation

22) Use of Command nohup

23) What is ssh port forwarding

24) ssh into a remote server without typing a password

25) What does '&' (and) operator after a command will do 

26) Send an active process into background

27) What is HTTP Proxy

28) Role of DNS in a network

29) What is virtual IP address

30) What are command line text editors in Linux

31) How to find Java Installation path & version

32) Disk usage commands

33) Command to find Kernel and OS

34) Patching and Hardening

35) Difference between 400 & 500 errors

36) Free space command

37) Soft link and Hard link 

38) Difference between top and df commands 

39) SCP and Rsync command 

40) Disk error commands in Linux

41) Can same shell script file run on both windows and linux 

AWS

1) How VPN works

2) What are NAT Gateway r NAT Instances and how to setup those

3) Difference between Security groups & Network ACL

4) What is AWS Snowball

5) Experience in Migrating On-Primises Setup to Cloud

6) What's the role of Network ACL

7) Kind of Instance you created and why you have choosen that

8) Dedicated Instances

9) Billing Strategy in AWS

10) AWS Lambda

11) Inputs needed for VPC

12) Why cant we use t2 micro for production

13) VPC Peering

14) What is Elastic Beanstalk

15) Giving login permisions for one AWS account user to another AWS account user

16) How to Block an IP range for instances

17) Is it possible to deploy two applications in same server using load balancing or Auto scaling

18) S3 bucket permissions 

19) Route 53 

20) Import local MySQL DB to RDS

21) Accessing private instances from another availability zones

22) Updating RDS server which is there in public subnet

23) Accessing two applications with same port in same serverS

24) Types of Auto Scaling policies

25) Steps to create an instance, auto scaling and load balancing

26) Types of Load Balancing

27) What type of incoming traffic we will receive to Application Load Balancer

28) What is cloud formation and what is cloud watch

29) Services you used in aws

30) How you are creating your aws services, using any tools 

31) How you are creating your images (EC2 instances)

32) How you will resolve if you're unable to login to your newly created instance (User and IP both are valid). It is integrated with LDAP

33) When you're trying to connect to S3 from an ec2 instance you're not getting any response. What will be the issue  

34) Which load balancer you're using and which protocol you're using and which application you deployed

35) When you create a load balancer what and all functionalities will be there

36) With what methodology the load will be splitted in a load balancer

37) How you will integrate an Application load balancer with Auto Scaling

39) How you're creating snapshots and if there are 100 ec2 instances, how you're going to take snapshots

40) Difference between public & private subnets in VPC

41) Difference between Internet gateway & NAT instance

42) What is the difference between client side encryption and server side encryption

43) What is Amazon ECS

44) Create a cloudwatch alarm to monitor EFS

45) On what parameters we have to create an autoscaling group

46) When to choose an Application load balancer & when to use network load balancer

Devops

1) SVN - checkout & update working copy, Code difference between current and previous revisions

2) Create a Build Pipeline from Compilation to Deployment of Application

3) What is the use of Jenkins

4) Difference between Containers and VM's

5) Difference between Continuous delivery and Devops

6) What is CDN

7) What is Jenkins and for what purpose it is used for

8) Installation & Jobs in Jenkins

9) What type of Build you are using

10) Command used in Jenkins Job for Maven Project

11) Code Coverage Tools

12) Congiguration Tools

13) What kind of metric will be provided by Nagios 

14) What is Bower & Gulp

15) What are the protocols used in GIT & SVN

16) Settings for giving SVN master access to Jenkins to fetch the code

17) What is the purpose of Puppet & what are manifests

18) What is the flow as soon as code is deployed, what is the life cycle of Deployment and how it is triggered

19) What is the specific file type you are used in Jenkins

20) How you are integrating Ansible inside Jenkins

21) Create a Repository, add user, creare branch and push code, checkout and then commit something into that repository

22) How to trigger Job-B once Job-A is done, how you will configure upstream and downstream

23) What is the Job of sonarqube and what reports we will get 

24) Command used to configure or run ansible 

25) What happens in pipeline once your job is completed

26) Explain ansible process

27) Git command used to remove changes on a particular file

28) Plugins used in Jenkins

29) How to overcome r command to check conflicts in Git

30) Command to delete a remote branch

31) How to remove a last 3rd commit (previous to previous)

32) If a remote repository has 100 branches, if i commit changes to one branch, do i have references of all the 100 branches in my local   

33) What is local branch and what is remote branch 

34) If a jenkins job is failed. ie., u got a compilation error. How do you resolve it. How u will find root cause for it.

35) How to compile a java program or java project 

36) Build steps to complie a java project in Jenkins

37) Difference between central and distributed repository

38) How jenkins will understand our project structure whether it is ANT or Maven

39) Difference between Declarative and Scripted pipeline

40) Types of stages in git   

41) Difference between Jenkins online and offline

42) Which configuration management tools you're using

43) Which script you're using in Jenkins -- Maven or Groovy

44) What is GIT branching

45) What is GIT submodule

46) What and all commands you have used in GIT

47) When you're trying to pull a repository you're getting a Fork error

48) Advantages of docker containerization

49) What is Docker Architecture

50) How to login to ec2 ansible clients using ssh keys

51) VPN provisioning in AWS using 

52) Deploy application in 100 ansible clients

53) Jenkins plugins for code coverage

54) Buid a Docker Container

55) Deploy an app in all the nodes

56) Creating a pod in kubernetes when an existing pod goes offline

57) What is DevOps

58) Why to use DevOps

59) How does a jenkins job identify when a new code is commited to repository

60) What is a version control, Why we say that GIT is a distributed VCS

61) How local copy will sync with remote server

62) How to recover or recreate if a central repository is deleted

63) Merge issue when syncing with master repository but not with local repository

64) What is GIT rebase

65) Difference between git commit and git rebase

66) What are GIT branching strategies

67) What is CI & CD, why can't we call it as a build automation instead of CI

68) What do you mean by build server (Jenkins), what are the operations it can do

69) When you create a pipeline, what are the things or steps or process you use/choose 

70) Sonarqube will be linked to jenkins or to the jobs ex:- pipeline jobs

71) How to do Continuous testing in Jenkins

72) Why do we need a docker swarm

73) Difference between docker compose and docker file

74) What is orchestration

75) In which ways Ansible helps in a DevOps environment

76) Authentication in Jenkins

77) GIT lock