Ncsi Technologies Interview Questions, Process, and Tips

Q1. Java, SpringBoot
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Q2. How to secure RESTful API
Ans. 
Securing a RESTful API involves authentication, authorization, encryption, and input validation to protect data and resources.
• Use HTTPS to encrypt data in transit, preventing eavesdropping.

• Implement OAuth 2.0 for secure token-based authentication.

• Validate and sanitize all inputs to prevent SQL injection and XSS attacks.

• Use API keys to control access to the API endpoints.

• Implement rate limiting to prevent abuse and deni...read more
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Aptitude was take by telepath .

Few programs were asked

Q1. What technogies worked on.
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Q1. Work experience details
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Q1. Mostly from the experience you mention in resume
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Q2. Scenario based question like how the deal with clients in difficult situation
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Q1. From resume only
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Some basic questions on quant, logical, fundamentals and networking

Easy 2 coding ques consisting of basic problem solving and dsa

Q1. What is your preferred programming language? Problems faced during projects?
Ans. 
My preferred programming language is Java.
• I have experience in Java and find it easy to read and write.

• Java has a vast community and a lot of resources available online.

• Java is platform-independent and can run on any operating system.

• During projects, I have faced issues with debugging and optimizing code.

• I have also faced challenges with integrating different technologies and APIs.
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Q2. What is top down compilation? Would u ever lie for company?
Ans. 
Top-down compilation is a software development approach where the higher-level modules are compiled first before the lower-level ones.
• Top-down compilation starts with the main module and proceeds to compile its dependencies.

• It allows for early detection of errors and easier integration of modules.

• Example: In a Java program, the main class is compiled first, followed by its dependent classes.

• Example: In C programming, t...read more
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Oracle SQL PLSQL queries and some plsq blocks.

Q1. About previous work experience and salary expectation.
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Q2. Are you able to travel onsite as per requirement.
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Medium to difficult .

Q1. Closure , hoisting
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Q2. Explain life cycles hook in angular
Ans. 
Lifecycle hooks in Angular are methods that allow you to tap into the lifecycle of a component or directive.
• Lifecycle hooks include ngOnInit, ngOnChanges, ngDoCheck, ngOnDestroy, etc.

• ngOnInit is used for initialization logic, ngOnChanges for reacting to input changes, ngDoCheck for custom change detection, ngOnDestroy for cleanup tasks, etc.

• These hooks allow you to perform actions at specific points in the component's
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