NexGen Tech Solutions Interview Questions, Process, and Tips

Q1. Technical+Functional
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Q2. How can we maintain GL account Hierarchy in SAC
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Q1. Don't accept invite from these fraud companies.These people make you experience bad and there are far better companies ready to take you
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Q1. Find frequency of integer in array
Ans. 
Calculate the frequency of a specific integer in an array of strings.
• Iterate through the array and use a hashmap to store the frequency of each integer.

• Return the frequency of the specified integer from the hashmap.
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Q2. Node js project explanation and evaluation
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Node.js is a runtime environment that allows you to run JavaScript on the server side.
• Node.js is built on Chrome's V8 JavaScript engine.

• It uses an event-driven, non-blocking I/O model.

• Node.js is commonly used for building server-side applications and APIs.

• It has a large ecosystem of libraries and frameworks, such as Express and Socket.io.
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Q1. What can you understand by API
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API stands for Application Programming Interface. It is a set of protocols, routines, and tools for building software applications.
• API allows different software applications to communicate with each other

• It defines how software components should interact

• API provides a layer of abstraction between software components

• API can be used to access data or functionality from a remote server

• Examples of APIs include Google Maps
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Q2. Explain AWS and its services
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AWS is a cloud computing platform that offers a wide range of services for computing, storage, networking, and more.
• AWS offers services for computing, storage, databases, analytics, machine learning, networking, security, and more

• Some popular AWS services include EC2, S3, RDS, Lambda, DynamoDB, and VPC

• AWS also offers tools for deployment, management, and monitoring of applications and infrastructure

• AWS has a global inf...read more
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Q3. Explain OTT, SDLC, network gateway
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OTT is a streaming service delivered over the internet. SDLC is a process for software development. Network gateway is a device that connects networks.
• OTT stands for Over-The-Top and refers to streaming services like Netflix, Hulu, and Amazon Prime Video that are delivered over the internet.

• SDLC stands for Software Development Life Cycle and is a process for developing software that includes planning, designing, coding...read more
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Create a CRUD API with mongoDB

Q1. Nodejs event loop
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Q2. Express middlerware
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