Global Cloud Xchange Devops Engineer Interview Questions and Answers

Q1. Regarding AWS networking, Jenkins, Terraform, Linux
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Q2. Write dockerfile to run python script.
Ans. 
Dockerfile to run a Python script
• Use a base Python image as the starting point

• Copy the Python script into the container

• Specify the command to run the Python script
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Q3. Run vs CMD vs ENTRYPOINT.
Ans. 
Run vs CMD vs ENTRYPOINT are Docker instructions used to specify commands to be executed when a container is launched.
• RUN is used to execute commands during the build of the image

• CMD is used to provide default arguments for the entrypoint or to specify the command to run when the container starts

• ENTRYPOINT is used to specify the executable that will run when the container starts, and CMD can be used to provide addition...read more
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Q4. How to upgrade kubernetes cluster version
Ans. 
To upgrade a Kubernetes cluster version, you can use kubeadm tool or manually update each component.
• Use kubeadm tool to upgrade the cluster version

• Check the current version of the cluster using kubectl

• Upgrade the control plane components first, followed by worker nodes

• Ensure compatibility of applications with the new version before upgrading

• Backup important data and configurations before upgrading
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Q5. Terraform file to provision ec2 instance and import existing instance with their configuration
Ans. 
Use Terraform to provision ec2 instance and import existing instance with their configuration
• Create a Terraform configuration file with necessary resources like aws_instance

• Use the import command to import existing instance with their configuration

• Update the Terraform configuration file with the imported instance details

• Apply the Terraform configuration to provision the ec2 instance
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Q1. Backup process flow,
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Q2. Backup port no for SQL
Ans. 
The backup port number for SQL is 1433.
• The default backup port number for SQL is 1433.

• This port number can be changed during installation or configuration.

• It is important to ensure that the backup port is open and accessible for backup and restore operations.
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Q1. Basic questions from backup technical part
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Q2. All good in the interview
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Q1. Its about technical questions
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Q1. Its about technical questions
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Q1. Its about Technical Questions
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Q1. What happens in BG when we reduce lvm
Ans. 
When reducing LVM in BG, the data blocks are moved to free space and the size of the logical volume is decreased.
• Data blocks are moved to free space within the logical volume

• The size of the logical volume is decreased

• File systems may need to be resized after reducing LVM
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Q2. Tell me about your self
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Q1. Basic concepts of VOIP and trunk configuration. Need to know ongoing voip trends in the market. Teams is budding platform and would be great to have Skype for business background
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Q1. Why do you want to join Tata?
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Q1. BGP MPLS QOS OSPF
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Q2. Work profile in last company
Ans. 
I worked as a Senior Engineer in my previous company.
• Led a team of engineers in developing and implementing new software solutions

• Collaborated with cross-functional teams to ensure project success

• Designed and implemented scalable and efficient code

• Participated in code reviews and provided constructive feedback

• Mentored junior engineers and facilitated their professional growth
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Q1. Salary discussion for role
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2 levels of interview asked on Java Spring boot

2 levels of interview asked on java spring