- What is booting process in Linux
- What is inode in Linux how to increase it
- What is logical volume and how to create it
- What is swap partition and how to create
- Tell me about some commands in Linux
- Ho to check the process pot and name(netstat –tulnp)
- How to kill a process
- What are ACLs and firewall and selinux
- How to do the networking using the nmcli
- How to manage the disk space ,RAM and memory
- What is TOP command and how to fetch the data
- What is load average in Linux systems and what does three components of load average defines
- How to assign the process the required amount of resource allocation
- What is nohup and &
- User management, file management, log management
- How to use FIND command and search for logs old then 7 days
- How to block the IP address in Linux
- Write a shell script to fetch the data from rest API and take out the required Fields
- Write a shell script to extract the number of alphabets characters and digits and tell the count
- Write a shell script to extract the IP addresses from a file and the count of similar ipadress
- Write a shell script to hit the rest API and modify the json data and put it back to the database
- How to declare an array in shell script
- What is crontab and tell some time set you have done
- Why do we give #!/bin/sh at start of shell script
- Write a shell script to find old logs and archive it
- What is
$#
,$?
,$@
etc.. in Linux shell script
- What is Ansible architecture
- How a normal yaml file is different from Ansible playbook
- What is Ansible playbook, define all terms in playbook
- What is handlers and notifiers
- What are registers
- What are various modules you have used in Ansible
- How to used when condition and loops in Ansible
- Write a playbook to start a service, stop a service and check the health check of service
- What are Ansible adhoc commands
- What are roles and tell where you will keep the different files in different folders
- What is Ansible vault and how you store the secret files
- How the SSH connectivity takes place between two server in Ansible
- What is VPC and its components (Public, private, NACL, Route tables, Internet gateway)
- What is difference between NACL and Security groups
- What is different types of load balance and tell difference between Network and application
- What is route 53, types of routing policy and routing used
- What is ASG and Launch config
- How to restore the login into EC2 if pem file is lost
- How to encrypt the unencrypted AMI
- What is EBS and EFS
- What is VPC peering and VPC endpoint
- What is S3 ? Types of S3 bucket? S3 bucket policy? S3life-cycle policy
- What is IAM roles and how the cross region roles work
- How to tell one EC2 to talk to other EC2 in other region
- What is MySQL/Aurora Backup plan
- What is CFT template & how a resource depends on other resource
- What are important components of CFT
- Which is faster storage EBS or S3? and Why?
- What is docker architecture
- What is docker life-cycle
- What is dockerfile and docker compose file
- Explain various layers in a dockerfile
- What is docker networking and tell various types of network in docker
- What is default network in docker
- How one container talks with other container
- How to debug the container
- What is docker swarm
- Tell some commands in docker
- What is difference between
ADD
/COPY
,CMD
/ENTRYPOINT
,RUN
/CMD
- Tell the docker file best practices
- How to reduce a docker file size
- How to store the docker file in jfrog/docker-hub
- How to create a docker image if no internet connectivity is there
- Write a docker file and state various layers and use the
depends_on
concept - How to save a container as image and then as a zip file
- What are docker volumes
- What is the architecture of Kubernetes
- What does control manager, etcd, scheduler, API server do
- What is a manifest file and what are the components of it
- What is node affinity, pod affinity , taint toleration
- What is node port, cluster IP
- What is persistent volumes and why we use it
- Describe what is pod and what is pod life-cycle
- What are the components on master and worked node
- What is ingress controller
- What are types of services in Kubernetes
- How one pod talks with other pod
- How the pod healthcheck is done(describe Readiness, Liveliness)
- How the monitoring is done(integration on Prometheus and grafana)
- What is deamonset, replica-set, horizontal pod autoscaler
- Write a manifest file of your own choice
- What is Namespace and why we use it
- What are helm charts and uses
- Tell the design of CICD in your organization
- What are various plugins in your Jenkins
- What is difference between declarative and scripted pipeline
- What is a groovy file and write groovy script what you have worked on
- How each tool is integrated with Jenkins
- Tell me the shell scripts used in Jenkins
- How the auto increment of version is done in UI and MS
- What is global credentials and how to make the passwords
- What is sonarqube and how you define the thresholds
- What is branching strategy used
- How you make the push rules, access level grants
- What is git pull and git fetch difference
- What is git stash and git rebase
- What is git revert
- What is cherry pick
- How you resolve the merge conflicts
- What is git clone
- How you designed your Gitlab CI
- What is difference between Gitlab and GitHub
- How the Jenkins talks with Gitlab
- What is SAT and DAST
- How fortify rules are placed? Can we changes the rules
- Different types of fortify errors and resolution
- Black-duck errors
- How the new relic is integrated with each micro-service
- What is SLO,SLI, SLA
- What are the different dashboards created in New relic and Grafana
- Jenkins pipeline
- AWS architecture
- Tell me what was your most difficult situation you faced and you resolved
- When you had issue with your management and how you convince them
- How you have helped your peer
- Did you got a chance to convince customers for your work
- How the Jira tasks are assigned to your team
- Tell me what your manager told negative point about you
- Tell me you put time significant outside your work
- Critical feedback from colleague and you worked
- Give me an example of calculated risk where speed was critical
- You worked on deadline and did not had options before taking decision