Cognizant Infrastructure Service Manager Interview Questions and Answers

Q1. About operating system structure & reliability
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Q1. Windows server questions
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Q2. Active directory roles
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Q3. How to connect your server without any one physical?
Ans. 
Use remote access tools like SSH or RDP to connect to the server without physical access.
• Use SSH (Secure Shell) for connecting to Linux servers remotely.

• Use RDP (Remote Desktop Protocol) for connecting to Windows servers remotely.

• Set up VPN (Virtual Private Network) for secure remote access.

• Utilize tools like TeamViewer or AnyDesk for remote desktop access.

• Ensure proper security measures like strong passwords and two-f
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Q1. Experience in current roles and responsibilities
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Q2. How to handle critical issues in current environment
Ans. 
Handle critical issues by prioritizing, troubleshooting, communicating, and documenting.
• Prioritize critical issues based on impact and urgency

• Troubleshoot systematically to identify root cause

• Communicate effectively with stakeholders and team members

• Document the issue, resolution, and steps taken for future reference
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Q1. What is OOPS and it's pillar ?
Ans. 
OOPS stands for Object-Oriented Programming System. Its pillars are Inheritance, Encapsulation, Abstraction, and Polymorphism.
• Inheritance allows a class to inherit properties and behavior from another class.

• Encapsulation restricts access to certain components within a class, protecting the data.

• Abstraction hides the complex implementation details and only shows the necessary features to the outside world.

• Polymorphism a...read more
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Q1. How secure in o365, transport rule, security, email flow , smtp
Ans. 
O365 provides secure transport rules and email flow using SMTP.
• Office 365 (O365) ensures secure transport rules for email flow.

• Transport rules in O365 allow administrators to control email flow and apply security measures.

• SMTP (Simple Mail Transfer Protocol) is used for sending and receiving emails securely.

• O365 offers various security features like encryption, anti-malware, and anti-spam filters to protect email commu
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Online assesment first HR person call, then the online versant test and online assesment. Then call for an interview.

Q1. What is iis, and few questins about web farms and web garden
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Q1. Tell me about yourself:Keep it short and put your personal strength as I am passionate about customer service
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Q1. Tell me about your project, how did you work and what were the tools used?
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Q2. What are modules in Terraform, share your screen and write module
Ans. 
Modules in Terraform are reusable components that allow you to encapsulate and organize your infrastructure code.
• Modules help in breaking down complex infrastructure into smaller, manageable components

• They promote reusability and maintainability of code

• Modules can be shared and used across different projects

• Example: Creating a module for provisioning a virtual machine in Azure
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Q3. If you want to avoid hard coding the AMI Ids while creating an instance, how would you do that through Terraform?
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Q4. Questions on lifecycle block, data block, modules and resources in Terraform - scenario based just like one above
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Q5. How would you provide security to your credentials while using Terraform
Ans. 
Use encrypted variables, limit access to credentials, and utilize secure storage solutions.
• Encrypt sensitive variables using tools like Vault or AWS KMS

• Limit access to credentials by using least privilege principles

• Store credentials securely in a password manager or key vault

• Avoid hardcoding credentials in Terraform configuration files
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Q6. Explain VPC, NAT Gateway, difference between NACL and SG
Ans. 
VPC is a virtual private cloud that allows you to create isolated networks, NAT Gateway enables instances in a private subnet to connect to the internet, NACL controls inbound and outbound traffic at the subnet level, SG controls traffic at the instance level.
• VPC is a virtual network in the cloud that you can define and customize, providing a secure environment for your resources.

• NAT Gateway allows instances in a priva...read more
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Q7. Write a Docker File
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A Dockerfile is a text document that contains all the commands a user could call on the command line to assemble an image.
• Start with a base image

• Use the FROM keyword to specify the base image

• Add any necessary dependencies using the RUN keyword

• Copy application code into the image using the COPY keyword

• Expose any necessary ports using the EXPOSE keyword

• Specify the command to run when the container starts using the CMD ke
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Q8. S3 Lifecycle rules
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Q9. If you are using CICD define your stages and issues you faced
Ans. 
CICD stages include build, test, deploy, and monitor. Common issues include integration challenges and pipeline failures.
• Stages: Build, Test, Deploy, Monitor

• Issues: Integration challenges, Pipeline failures

• Example: Integration challenges with third-party tools delaying deployment
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Q10. How will you check if a pod in ReplicaSet went down or failed and what was the reason for the same?
Ans. 
To check if a pod in ReplicaSet went down or failed, monitor the pod status, logs, and events.
• Monitor the pod status using kubectl get pods command

• Check the pod logs for any error messages using kubectl logs command

• Review the events related to the pod using kubectl describe pod command

• Set up alerts or notifications for pod failures using monitoring tools like Prometheus or Grafana
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Q1. Tell me about yourself
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Q2. Why do you like learning new things
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Q3. Agile methodology, Scrum
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Q4. Day to Day activities
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Q5. Will you be able to work if given any type of work like either DevOps or only Cloud or only Development?
Ans. 
Yes, I am capable of working in various roles such as DevOps, Cloud, and Development.
• I have experience and skills in DevOps practices such as automation, CI/CD, and infrastructure as code.

• I am proficient in cloud technologies like AWS, Azure, or Google Cloud Platform.

• I have a strong background in software development with expertise in languages like Python, Java, or JavaScript.
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