Extentia Information Technology Technical Project Manager Interview Questions and Answers

General discussion on profile and work experience

Q1. What is CICD ?
Ans. 
CICD stands for Continuous Integration and Continuous Deployment. It is a software development practice where code changes are automatically built, tested, and deployed.
• Automates the process of integrating code changes into a shared repository

• Automatically builds and tests the code to ensure it is functional

• Automatically deploys the code to production or staging environments

• Helps in detecting and fixing integration err
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Q2. How to create image out of running container ?
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To create an image out of a running container, you can use the 'docker commit' command.
• Use 'docker commit' command to create an image from a running container

• Syntax: docker commit [OPTIONS] CONTAINER [REPOSITORY[:TAG]]

• Example: docker commit container_id repository_name:tag
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Q3. What is the difference between docker add and copy command?
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Docker add command can fetch a file from a URL and add it to the image, while copy command copies files from the host machine to the image.
• Docker add command can fetch files from URLs and add them to the image

• Copy command copies files from the host machine to the image

• Add command can also automatically extract compressed files during the build process

• Copy command is more commonly used for copying local files
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Q4. What is freestyle project and pipeline ?
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A freestyle project is a type of project in Jenkins that allows users to configure the build process in any way they want. A pipeline is a set of automated steps that define the process for building, testing, and deploying code.
• Freestyle project in Jenkins allows users to configure build process manually

• Pipeline in Jenkins is a set of automated steps for building, testing, and deploying code

• Freestyle projects are more ...read more
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Q5. What is the difference between docker swarm and docker compose ?
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Docker Swarm is used for orchestrating multiple Docker containers across multiple hosts, while Docker Compose is used for defining and running multi-container Docker applications.
• Docker Swarm is a container orchestration tool that allows you to manage a cluster of Docker hosts.

• Docker Compose is a tool for defining and running multi-container Docker applications.

• Docker Swarm is used for scaling and managing a cluster of...read more
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Q1. What is the project you worked can you plz explain?
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Q2. What is VPC ?
Ans. 
VPC stands for Virtual Private Cloud, a virtual network dedicated to a single organization's resources in the cloud.
• Allows organizations to have control over their virtual network environment

• Enables customization of network configuration

• Provides security by allowing isolation of resources

• Can connect to on-premises data centers or other VPCs using VPN or Direct Connect
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Q3. What is CICD pipeline and its stages ?
Ans. 
CICD pipeline is a process that automates the building, testing, and deployment of software.
• Continuous Integration (CI) - code changes are integrated into a shared repository multiple times a day.

• Continuous Testing - automated tests are run to ensure code quality.

• Continuous Deployment - code changes are automatically deployed to production.

• Stages include: build, test, deploy, and monitor.

• Tools like Jenkins, GitLab, and
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Q4. VPC peering concept ?
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VPC peering allows connecting two VPCs to communicate using private IP addresses.
• VPC peering enables instances in different VPCs to communicate as if they are within the same network.

• Traffic between peered VPCs stays within the private IP space and does not traverse the internet.

• VPC peering does not involve a gateway, VPN, or direct connection.

• Both VPCs must have non-overlapping IP ranges for successful peering.

• Example...read more
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Q5. Whole concept of VPC , subnet and route table and NAT gateway ?
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VPC is a virtual private cloud that allows you to create isolated networks within the cloud environment. Subnets are subdivisions of a VPC, route tables define how traffic is directed within the VPC, and NAT gateway allows instances in a private subnet to access the internet.
• VPC is a virtual private cloud that provides a logically isolated section of the AWS Cloud where you can launch resources.

• Subnets are subdivisions...read more
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Q1. Basics Quesestions?
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Q1. Cisco Servers Installation
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Q2. HPe servers installation
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Q1. They first ask me about my project then ask more how it was working ,and more deep questions on that to understand how much I know about the project I worked on .
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Q2. Spring Authentitation and Authorization,And Kubernetes
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Q1. About batch processing
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Q2. About exception handling
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Q1. About project discussion in details
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Q2. Aws services mainly
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Q1. Handling a team
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Q2. Micro service architecture
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Q1. About personal things
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Q2. About financial thing
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Q1. Gtols are required, dmfea, cax know how, basic interview questions
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Q1. How does spring injects dependencies
Ans. 
Spring injects dependencies through inversion of control and dependency injection.
• Spring uses inversion of control to manage objects and their dependencies.

• Dependencies are injected into a class through constructor injection, setter injection, or field injection.

• Spring container is responsible for creating and managing objects and their dependencies.

• Example: @Autowired annotation is used for dependency injection in Spr
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Q2. How does Hibernate connects to DB
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Hibernate connects to the database using JDBC (Java Database Connectivity) API.
• Hibernate uses JDBC API to establish a connection to the database.

• It uses JDBC drivers to communicate with the database.

• Hibernate configuration file contains database connection details.

• SessionFactory in Hibernate is responsible for creating sessions and managing connections.
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Q1. How to secure your APIs
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Securing APIs involves using authentication, authorization, encryption, and monitoring.
• Implement authentication mechanisms such as OAuth, JWT, or API keys

• Use authorization to control access to APIs based on roles and permissions

• Encrypt data transmission using HTTPS/TLS to prevent eavesdropping

• Implement rate limiting and throttling to prevent abuse and DDoS attacks

• Regularly monitor API traffic and logs for suspicious ac
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Q2. How can you configure multiple DBs in your application
Ans. 
Multiple DBs can be configured in an application by using database connection pooling, configuring multiple data sources, and managing transactions across databases.
• Use database connection pooling to efficiently manage connections to multiple databases

• Configure multiple data sources in the application to connect to different databases

• Implement transaction management to ensure data consistency across multiple databases
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Q1. Family Background and Career History
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Q2. Salary Expectations
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Q1. Why to join Maq?
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Q2. Why MBA?
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Q3. Resume based questions on the technology
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Q1. Complete tech interview. Tested my understanding on technology thoroughly (from my resume). PM case competition discussion from my resume point.
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Q2. Behavioral questions on how to manage team and conflicts
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