Alphacom Services Software Engineering Specialist Interview Questions and Answers

Q1. Activity, mvvm, service, oops concepts, architecture
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Q1. Architecture, java , kotlin,
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Q1. All about object oriented programming
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Q1. Java project experience
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Q2. Azure related discussions and questions
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Q3. Springboot annotations and microservices
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Q1. Salary expectation
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Q2. Notice period negotiable
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Given some JavaScript program to solve

Q1. Difference between Pure and Impure Pipe?
Ans. 
Pure pipes do not have any side effects and always return the same output for the same input, while impure pipes can have side effects and may not return the same output for the same input.
• Pure pipes are stateless and deterministic.

• Impure pipes can have side effects like modifying global variables or making network requests.

• Pure pipes always return the same output for the same input.

• Impure pipes may not return the same...read more
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Q2. Explain Angular life cycle hook with example
Ans. 
Angular life cycle hooks are methods that allow you to tap into specific points in a component's life cycle.
• ngOnChanges: called when an input property changes

• ngOnInit: called once after the first ngOnChanges

• ngDoCheck: called during every change detection run

• ngAfterContentInit: called after content is projected into the component

• ngAfterContentChecked: called after every check of projected content

• ngAfterViewInit: called ...read more
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Q3. What is interceptor?
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An interceptor is a software component that intercepts incoming and outgoing requests, allowing for manipulation or monitoring of the data.
• Interceptors are commonly used in web development frameworks to add cross-cutting concerns such as logging, authentication, or caching.

• They can be used to modify the request or response before it reaches the intended destination.

• Examples include HTTP interceptors in AngularJS or req
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General Aptitude test, logical and reasoning

Q1. Technical Cover all basics of cpp, os, network, small output based program
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Q2. What is pointer
Ans. 
A pointer is a variable that stores the memory address of another variable.
• Pointers are used to indirectly access and manipulate data in memory.

• They are commonly used in programming languages like C and C++.

• Example: int *ptr; // declares a pointer to an integer variable
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Q3. OSI layers and full form
Ans. 
OSI (Open Systems Interconnection) model consists of 7 layers, each responsible for different functions in network communication.
• Physical layer - deals with physical connection of devices (e.g. cables)

• Data link layer - responsible for error detection and correction (e.g. Ethernet)

• Network layer - handles routing and addressing (e.g. IP)

• Transport layer - ensures reliable data transfer (e.g. TCP)

• Session layer - manages se...read more
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Q4. Cpp programs, types of memory allocation
Ans. 
Cpp programs can use static, stack, or heap memory allocation for variables and objects.
• Static memory allocation is done at compile time and is used for variables declared outside functions.

• Stack memory allocation is done at runtime and is used for variables declared inside functions.

• Heap memory allocation is done at runtime and is used for dynamic memory allocation using new and delete operators.
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Q1. General HR interview questions, strength weakness, available to relocation etc
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Q1. Salesforce related questions and coding scenarios
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Q1. Salesforce related interview questions and scenario based questions
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3 questions were asked again, 1 easy 1 medium-difficult and 1 difficult.

Q1. Resume based interview. Followed by DSA based coding questions.
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Q2. Some standard hr questions were there too.
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Q1. Promise in JavaScript
Ans. 
Promises in JavaScript are objects representing the eventual completion or failure of an asynchronous operation.
• Promises are used to handle asynchronous operations in JavaScript.

• They can be in one of three states: pending, fulfilled, or rejected.

• Promises can be chained using .then() method to handle success and failure.

• Example: const myPromise = new Promise((resolve, reject) => { ... });
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Q2. Difference between Transient, Scoped and Singleton
Ans. 
Transient, Scoped, and Singleton are different types of dependency injection lifetimes in software engineering.
• Transient: New instance is created every time it is requested. Suitable for lightweight objects with no shared state.

• Scoped: Instance is created once per request within the scope. Suitable for objects that are shared within a single request.

• Singleton: Single instance is created and shared throughout the applic...read more
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Q1. Everything about JWT Token
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Q2. Related to Azure Function
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Q1. Tell me about your self
Ans. 
I am a dedicated software engineer with a passion for problem-solving and creating innovative solutions.
• Experienced in multiple programming languages such as Java, Python, and C++

• Strong background in software development methodologies like Agile and Scrum

• Skilled in database management and cloud computing technologies

• Have worked on projects involving machine learning and artificial intelligence
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Q2. Salary Expectation
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