Comcast Interview Questions and Answers

Q1. Asked questions on my current project and role
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Q2. Basics of spring JPA like entity manager, spring eureka
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Q3. Asked me to solve one basic question where I have to convert a string to integer
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Q1. Basics of cloud concepts
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Q2. When to use horizontal scaling and vertical scaling
Ans. 
Horizontal scaling is adding more machines to your pool of resources, while vertical scaling is adding more power (CPU, RAM) to an existing machine.
• Use horizontal scaling when you need to increase capacity by adding more machines to distribute the load.

• Use vertical scaling when you need to handle increased load on a single machine by adding more resources like CPU or RAM.

• Horizontal scaling is more cost-effective and pr...read more
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Q1. Where the windows logs will be stored
Ans. 
Windows logs are stored in the Event Viewer application on Windows operating systems.
• Windows logs are stored in the Event Viewer application.

• Event Viewer can be accessed by searching for 'Event Viewer' in the Windows search bar.

• Logs are categorized into different sections such as Application, Security, System, etc.
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Q2. How to check the system status in OS level
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To check system status in OS level, use commands like top, ps, vmstat, sar, etc.
• Use 'top' command to display real-time system information like CPU and memory usage

• Use 'ps' command to display currently running processes

• Use 'vmstat' command to display virtual memory statistics

• Use 'sar' command to display system activity reports
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It was a HireVue round, most like behavioral round.

Q1. How is your efficiency for GitHub and for command tools?
Ans. 
Efficient in using GitHub and command line tools for version control and automation.
• Proficient in using Git commands for version control and collaboration.

• Familiar with creating branches, merging code, resolving conflicts, and managing repositories on GitHub.

• Experienced in using command line tools for automation tasks like scripting and deployment.

• Comfortable with tools like Git Bash, Git GUI, and command line interfac
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Q2. How good are you with docker and AWS?
Ans. 
I have strong skills in Docker and AWS.
• Proficient in creating Docker containers and managing Docker images

• Experienced in deploying applications on AWS using services like EC2, S3, and RDS

• Familiar with Docker Swarm and AWS ECS for container orchestration

• Knowledgeable in setting up CI/CD pipelines with Docker and AWS services like CodePipeline and CodeBuild
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Q1. Design Patterns
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Q2. Collection Data structure
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Q1. Discussion on my previous projects
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Q2. Behaviour question
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Q1. Salary Discussion
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Q1. Basic java questions
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Q2. Java 8 questions
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Q1. Code was provided, need to correct
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Q2. Basic java questions
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Q1. WHAT IS DRM ?
Ans. 
DRM stands for Digital Rights Management, a technology used to protect digital content from unauthorized access and distribution.
• DRM is used to control access to digital content and prevent piracy.

• It can restrict the number of devices a user can access the content on.

• DRM can also limit the ability to copy, print, or share digital content.

• Examples of DRM include encrypted eBooks, streaming services like Netflix, and sof
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Q1. Explain your projects
Ans. 
Developed a web application for tracking personal fitness goals and progress
• Used React.js for front-end development

• Implemented RESTful APIs using Node.js and Express for back-end

• Utilized MongoDB for database storage

• Incorporated charting libraries like Chart.js for visualizing progress
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Q2. System design round
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