TechBlocks Senior Devops Engineer Interview Questions and Answers

Q1. What is iap tunneling
Ans. 
IAP tunneling refers to the process of securely accessing internal resources from outside a network using Identity-Aware Proxy.
• IAP tunneling allows users to securely access internal resources without exposing them to the public internet.

• It uses Identity-Aware Proxy to authenticate and authorize users before granting access to the resources.

• This helps organizations maintain a secure network environment while enabling re
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Q2. What is canary deployment
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Canary deployment is a technique used to reduce risk by rolling out new features to a small subset of users before a full release.
• Canary deployment involves gradually rolling out a new version of software to a small subset of users or servers.

• This allows for monitoring of the new version's performance and stability before a full release.

• If the canary deployment is successful, the new version can be gradually rolled out...read more
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Q1. How to call APIs in Python
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To call APIs in Python, you can use libraries like requests or urllib.
• Use the requests library to make HTTP requests to APIs

• Send GET, POST, PUT, DELETE requests using requests library

• Parse JSON responses using the json module
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Q2. How to write script to configure Veracode with ADO
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To configure Veracode with ADO, you can write a script that automates the process of setting up the integration.
• Use Veracode API to authenticate and interact with Veracode services

• Create a script that retrieves Veracode API credentials from ADO secure variables

• Automate the process of configuring Veracode settings in ADO pipelines
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20 questions in 15 mins

Q1. Difference between HTTP AND HTTPS
Ans. 
HTTP is unsecured protocol while HTTPS is secured protocol using SSL/TLS encryption.
• HTTP stands for Hypertext Transfer Protocol, while HTTPS stands for Hypertext Transfer Protocol Secure.

• HTTP operates on port 80, while HTTPS operates on port 443.

• HTTPS uses SSL/TLS certificates to encrypt data transmitted over the network, providing a secure connection.

• HTTPS is essential for websites that handle sensitive information li...read more
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Q2. What do you mean by release management
Ans. 
Release management involves planning, scheduling, and controlling the software release process.
• Planning and coordinating the release of software updates

• Ensuring that the release process is smooth and efficient

• Managing dependencies and version control

• Communicating with stakeholders about release timelines and changes

• Automating release processes to improve efficiency
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Q1. Describe CI/CD and Jenkins set up
Ans. 
CI/CD is a software development practice where code changes are automatically built, tested, and deployed.
• Continuous Integration (CI) involves automatically building and testing code changes frequently.

• Continuous Deployment (CD) involves automatically deploying code changes to production.

• Jenkins is a popular open-source automation server used for CI/CD pipelines.

• Jenkins pipelines are defined using a Jenkinsfile which s...read more
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Q2. Define Kebernetes architecture
Ans. 
Kubernetes is an open-source container orchestration platform for automating deployment, scaling, and management of containerized applications.
• Kubernetes follows a master-slave architecture with a master node controlling multiple worker nodes.

• Master node components include API server, scheduler, controller manager, and etcd.

• Worker node components include kubelet, kube-proxy, and container runtime (e.g. Docker).

• Kubernet...read more
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Q1. What is cicd pipeline and describe cicd in detail.
Ans. 
CI/CD pipeline is a set of automated processes that allow developers to deliver code changes more frequently and reliably.
• CI/CD stands for Continuous Integration/Continuous Delivery.

• CI involves automatically building and testing code changes frequently to catch errors early.

• CD involves automatically deploying code changes to production after passing tests.

• CI/CD pipelines typically include stages like build, test, deplo...read more
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Q2. What is dif bet cmd and entry point
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CMD is used to provide default arguments for an executing container, while ENTRYPOINT is used to specify the command that will run when the container starts.
• CMD is optional and can be overridden during container runtime

• ENTRYPOINT is required and cannot be overridden during container runtime

• CMD can be used to provide default arguments to the ENTRYPOINT command
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Q1. 3 theory questions about devops basics
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Q1. How do you resolve merge conflict
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Q2. What is SCM Strategy
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