DevOps and Cloud Architect Interview Questions and Answers

Updated 23 Nov 2024

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Q1. Linux :- How to check which process is taking most memory What is the difference between 755 and 777 ? What is Agile and scrum What is DORA and SBOM GIT Merge versus Rebase Revert versus reset Docker Run versus...

Ans.

To check which process is taking most memory in Linux, use the 'top' command. 755 and 777 are file permission codes. Agile and Scrum are project management methodologies. DORA and SBOM are related to DevOps practices. Git commands include merge, rebase, revert, and reset. Docker commands include run and CMD.

To check which process is taking most memory in Linux, use the 'top' command.
755 and 777 are file permission codes in Linux. 755 gives read, write, and execute permissions...read more

Q2. What is SRE DEVOPS AND PLATFORM ENGINEERING

Ans.

SRE DevOps and Platform Engineering involves combining Site Reliability Engineering principles with DevOps practices to build and maintain scalable and reliable platforms.

Combines Site Reliability Engineering (SRE) principles with DevOps practices
Focuses on building and maintaining scalable and reliable platforms
Involves automation, monitoring, and continuous improvement
Emphasizes collaboration between development and operations teams
Examples include implementing CI/CD pipeli...read more

Q3. What is Agile and Scrum

Ans.

Agile is a methodology that promotes iterative development and collaboration, while Scrum is a specific framework within Agile.

Agile is a software development methodology that focuses on delivering value to customers through iterative development, continuous feedback, and collaboration.
Scrum is a specific framework within Agile that defines roles, events, and artifacts to help teams work together effectively.
Agile emphasizes responding to change and customer feedback over fol...read more

Q4. What is DORA ?

Ans.

DORA stands for DevOps Research and Assessment, a research organization focused on improving software delivery performance.

DORA conducts research on DevOps practices and their impact on software delivery performance.
They provide assessment tools and benchmarks for organizations to measure their DevOps maturity.
DORA's research has led to the development of the Accelerate State of DevOps report, which highlights best practices for high-performing teams.

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Q5. current 3tier project explanation

Ans.

A 3-tier project involves separating an application into presentation, application logic, and data storage layers.

Presentation layer handles user interface and interactions (e.g. HTML, CSS)
Application logic layer processes user requests and performs computations (e.g. Java, Python)
Data storage layer stores and retrieves data (e.g. MySQL, MongoDB)

Q6. aws services you have used

Ans.

I have used various AWS services including EC2, S3, RDS, Lambda, and CloudFormation.

EC2 - Elastic Compute Cloud for scalable virtual servers
S3 - Simple Storage Service for object storage
RDS - Relational Database Service for managed databases
Lambda - Serverless computing service for running code without provisioning servers
CloudFormation - Infrastructure as Code service for automating resource provisioning

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