FIS Lead Engineer Interview Questions and Answers

2 program level medium

Q1. All related to core Java and spring boot
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Q1. Salary discussion
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Simple Hacker Rank test with most spring questions and Java.

Q1. Java, Sql, Questions based on your resume. Very easy interview.
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Q2. Core Java concepts Sql concepts No coding questions as the Manager doesn't know a thing about coding.
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Q1. Angular Lifecycle hooks
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Q2. Components vs Directives
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Components are reusable building blocks while directives are used to manipulate the DOM.
• Components are self-contained and can be used multiple times in an application

• Directives are used to add behavior to an existing DOM element

• Components have their own template while directives do not

• Examples of components include buttons, forms, and menus

• Examples of directives include ngIf, ngFor, and ngStyle
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Q3. Benefits of service in Angular
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Q4. Change detection strategy
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Change detection strategy involves identifying and responding to changes in a system or process.
• Define the scope of the system or process being monitored

• Establish a baseline for normal behavior

• Use monitoring tools to detect changes

• Set thresholds for triggering alerts or actions

• Implement a response plan for identified changes
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Q5. Javascript vs typescript
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TypeScript is a superset of JavaScript that adds static typing and other features.
• TypeScript catches errors at compile time, while JavaScript only catches them at runtime.

• TypeScript supports object-oriented programming concepts like classes and interfaces.

• TypeScript can be transpiled into JavaScript, so it can run on any browser or platform that supports JavaScript.

• JavaScript is easier to learn and use for small projec...read more
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Q6. Routing in angular ?
Ans. 
Routing in Angular is used to navigate between different components of an application.
• Angular Router is a powerful tool that allows you to define navigation paths and routes in your application.

• It helps in creating Single Page Applications (SPAs) by loading different components based on the URL.

• Routes can be defined using the RouterModule and ActivatedRoute modules.

• Navigation can be done using routerLink directive or p...read more
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Q7. Route guards in angular
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Route guards are used in Angular to protect routes from unauthorized access.
• Route guards can be used to check if a user is authenticated before allowing access to a route.

• There are three types of route guards: CanActivate, CanActivateChild, and CanLoad.

• CanActivate is used to protect individual routes, CanActivateChild is used to protect child routes, and CanLoad is used to protect lazy-loaded modules.

• Route guards can b...read more
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Q1. Data sharing between compontent
Ans. 
Data sharing between components is crucial for efficient communication and collaboration.
• Use a common data format for easy interpretation and integration

• Implement secure data transfer protocols to protect sensitive information

• Ensure data consistency and accuracy through proper validation and verification

• Consider the scalability and performance of the data sharing mechanism

• Examples include RESTful APIs, message queues, ...read more
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Q2. Different ways of loading routes
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Routes can be loaded using various methods depending on the framework used.
• In Express.js, routes can be loaded using app.get(), app.post(), app.put(), app.delete() methods

• In Laravel, routes can be loaded using Route::get(), Route::post(), Route::put(), Route::delete() methods

• In Ruby on Rails, routes can be loaded using resources, get, post, put, patch, and delete methods

• Routes can also be loaded dynamically using middl...read more
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Online Aptitude test related to testing and coding

Q1. Basic C# oops Concept and Programming questions
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Q1. General introduction about my professional work and asked some SQL query.
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