60 [x]cube labs Interview Questions and Answers | HR, Technical & Aptitude Prep

20 common asked question in every interview

Agile

Ques:- How do you measure success in an Agile project, both in terms of output and team health

Asked In :- Xoriant Solutions Pvt Ltd, Hidden Brains InfoTech, AnAr Solutions, Shipco IT, Trigent Software, Itobuz Technologies, Fortunesoft IT Innovations, Namecheap Web Services, iROID Technologies, FIS Global Business Solutions India,

Right Answer:
Success in Agile is measured by:

* **Output:** Delivering valuable, working software frequently; achieving the product vision; meeting business goals; customer satisfaction; and predictability (consistent delivery).
* **Team Health:** Team morale; continuous improvement (velocity trends, retrospectives leading to action); collaboration; self-organization; and sustainable pace.

Agile

Ques:- What is a product backlog, and how do you manage it

Asked In :- KRIOS Info Solutions, Trigent Software, Toxsl Technologies, Addweb solutions, Solace Infotech, Spadeworx Software Services, Dhruvsoft Services, FIS Global Business Solutions India, QuickXpert Infotech, Enovate IT Outsourcing,

Right Answer:
A product backlog is a prioritized list of features, bug fixes, tasks, and requirements needed to build a product. It's managed through regular refinement, prioritization, estimation, and updates based on feedback and changing business needs, often facilitated by the Product Owner.

Agile

Ques:- How do you handle scope creep or changes during a sprint

Asked In :- Vinove Software & Services Pvt Ltd, Xoriant Solutions Pvt Ltd, AnAr Solutions, Toxsl Technologies, Itobuz Technologies, iROID Technologies, LiteBreeze Infotech, Oodles Technologies, Sun Dew Solutions, Radicle Software,

Right Answer:
During a sprint, I generally avoid scope creep. If a change request is small and doesn't impact the sprint goal, the team can discuss and decide if it can be included. If the change is significant, it goes into the product backlog to be prioritized for a future sprint.

Agile

Ques:- What is the difference between Kanban and Scrum, and when would you use each

Asked In :- Unyscape Infocom Pvt. Ltd., Winsoft Technologies India Pvt. Ltd, DREAMORBIT SOFTECH PVT, Object Frontier Software, Hidden Brains InfoTech, Queppelin Technology Solutions, Walkover Web Solutions, Ziffity Solutions, Chegg India, Codiant Software Technologies,

Right Answer:
Kanban focuses on visualizing workflow, limiting work in progress (WIP), and continuous flow. Scrum uses time-boxed iterations (sprints) with specific roles (Scrum Master, Product Owner, Development Team) and events (sprint planning, daily scrum, sprint review, sprint retrospective).

Use Kanban when you need continuous delivery, have evolving priorities, and want to improve workflow incrementally. Use Scrum when you need structured development with fixed-length iterations, have clear goals for each iteration, and benefit from team collaboration with defined roles.

Agile

Ques:- How do you handle difficult stakeholders or team members in an Agile environment

Asked In :- Unyscape Infocom Pvt. Ltd., Shipco IT, Chegg India, Aakit Technologies, Fortunesoft IT Innovations, Solace Infotech, Priya Softweb Solutions, Cybage Software, Oodles Technologies, FIS Global Business Solutions India,

Right Answer:
* **Listen actively:** Understand their concerns and perspective.
* **Communicate clearly and frequently:** Keep them informed about progress and challenges.
* **Find common ground:** Focus on shared goals and objectives.
* **Be transparent:** Share data and evidence to support decisions.
* **Facilitate collaboration:** Encourage open dialogue and problem-solving.
* **Coach and mentor:** Help team members grow and improve.
* **Escalate when necessary:** Involve a Scrum Master or manager if the situation doesn't improve.

sql

Ques:- Define unique identifier datatype in Sql Server?

Asked In :- Xoriant Solutions Pvt Ltd, Energytech Global, Elite Software Solutions, IRIS KPO RESOURCING INDIA PVT, G S Lab, SoftNice, Kokoro, NCS SoftSolutions, Fastlab, QualiTLabs,

Oracle Software Developer/ Programmer SQL Server

Ques:- What is oops concept?

Asked In :- First Zen, CETPA INFOTECH PVT, Gainers Infotech, CCS Technologies, McKinsey Knowledge Center, Infiniti Software Solutions, Magic Software, Mobisy, Thryve Digital, CliniSys Group,

sql

Ques:- Why to use ‘DISTINCT’ in Sql Server?

Asked In :- BillDesk, GOMO Group AB, OIP, Innover Systems, SysArc Infomatix, Sterling Software (India), InvestoSure, Bectran, Qmax Systems, Enbraun,

Excel JAVA sql

Ques:- A red house is made of red bricks; a blue house is made up of blue bricks than what does the green house is made up of?

Asked In :- Aranca (Mumbai), Destination technologies, Niper, Technocrats, WAEC, World Bank, I Logix infotech, Streebo Solutions, Algorithmic Trading Strategies Pty, Aress,

Right Answer:
Glass.

API

Ques:- What is the role of an API Gateway in microservices architecture

Asked In :- Xoriant Solutions Pvt Ltd, KRIOS Info Solutions, Netaxis IT Solutions (p), Walkover Web Solutions, Ziffity Solutions, STIC SOFT E-SOLUTIONS, TNQ Technologies, Oodles Technologies, TRICON INFOTECH PVT, Novalnet e-Solutions,

Right Answer:
An API Gateway acts as a single entry point for clients to access multiple microservices, handling requests, routing them to the appropriate services, managing authentication, rate limiting, and aggregating responses.

API

Ques:- What are HTTP methods and how are they used in APIs

Asked In :- Xoriant Solutions Pvt Ltd, KRIOS Info Solutions, Itobuz Technologies, Addweb solutions, Solace Infotech, TNQ Technologies, MatchMove India, Sun Technology Integrators, Spectra Medix India, Novalnet e-Solutions,

Right Answer:
HTTP methods are standardized request types used in APIs to perform actions on resources. The main methods are:

1. **GET**: Retrieve data from a server.
2. **POST**: Send data to a server to create a new resource.
3. **PUT**: Update an existing resource on the server.
4. **DELETE**: Remove a resource from the server.
5. **PATCH**: Apply partial modifications to a resource.

These methods define the action to be performed on the specified resource in the API.

API

Ques:- What is API versioning and why is it important

Asked In :- DREAMORBIT SOFTECH PVT, AnAr Solutions, STIC SOFT E-SOLUTIONS, Born Commerce, LiteBreeze Infotech, Oodles Technologies, Sun Technology Integrators, Webvillee Technology, SENSEI Technologies, Deligence Technologies,

Right Answer:
API versioning is the practice of managing changes to an API by assigning version numbers to different iterations of the API. It is important because it allows developers to introduce new features or make changes without breaking existing client applications that rely on older versions, ensuring backward compatibility and a smoother transition for users.

API

Ques:- What is an API endpoint and how do you define it

Asked In :- AnAr Solutions, Ziffity Solutions, Trigent Software, Codiant Software Technologies, iROID Technologies, Dhruvsoft Services, MatchMove India, Oodles Technologies, Novalnet e-Solutions, Fission Infotech,

Right Answer:
An API endpoint is a specific URL or URI where an API can be accessed by a client to perform operations like retrieving or sending data. It defines the location and method (such as GET, POST) for interacting with the API.

API

Ques:- What is a web service and how does it relate to an API

Asked In :- Winsoft Technologies India Pvt. Ltd, Queppelin Technology Solutions, Rock Solid Solutions, STIC SOFT E-SOLUTIONS, LiteBreeze Infotech, Define Labs, QuickXpert Infotech, Tredence Analytics Solutions, Noesys Consulting, infobell IT solutions,

Right Answer:
A web service is a standardized way of allowing different applications to communicate over the internet using protocols like HTTP. It provides a method for applications to exchange data and perform operations. An API (Application Programming Interface) is a set of rules and tools that allows different software applications to interact with each other. A web service is a type of API that specifically uses web protocols to enable this interaction.

Web Development

Ques:- How does a web server handle an HTTP request

Asked In :- Medvarsity Online, Queppelin Technology Solutions, Ziffity Solutions, Trigent Software, Itobuz Technologies, Namecheap Web Services, CakeSoft Technologies, QuickXpert Infotech, Webvillee Technology, Recodem,

Right Answer:
A web server handles an HTTP request by following these steps:

1. **Receive Request**: The server listens for incoming HTTP requests on a specific port (usually port 80 for HTTP or port 443 for HTTPS).
2. **Parse Request**: It parses the request to extract the method (GET, POST, etc.), URL, headers, and body.
3. **Process Request**: The server determines how to respond based on the request. This may involve retrieving files, querying a database, or executing server-side scripts.
4. **Generate Response**: It creates an HTTP response, which includes a status code (like 200 for success), headers, and the requested content (like HTML, JSON, etc.).
5. **Send Response**: The server sends the response back to the client (usually a web browser) over the network.
6. **Log Request**: Optionally, the server logs the request details for monitoring and analysis.

Web Development

Ques:- What is a single page application SPA

Asked In :- Unyscape Infocom Pvt. Ltd., Vinove Software & Services Pvt Ltd, Queppelin Technology Solutions, Walkover Web Solutions, Trigent Software, Fortunesoft IT Innovations, Codiant Software Technologies, Born Commerce, Priya Softweb Solutions, Namecheap Web Services,

Right Answer:
A Single Page Application (SPA) is a web application that loads a single HTML page and dynamically updates the content as the user interacts with the app, without requiring a full page reload.

Web Development

Ques:- What are promises and async await in JavaScript

Asked In :- Unyscape Infocom Pvt. Ltd., Medvarsity Online, Ziffity Solutions, LiteBreeze Infotech, CakeSoft Technologies, Sun Technology Integrators, Happiest Minds Technologies Pvt., Ray Business Technologies, XIPHIAS Software Technologies, Spark Infosys,

Right Answer:
Promises in JavaScript are objects that represent the eventual completion (or failure) of an asynchronous operation and its resulting value. They allow you to handle asynchronous code more easily by providing methods like `.then()` for success and `.catch()` for errors.

`async` and `await` are syntactic sugar built on top of promises. An `async` function always returns a promise, and within an `async` function, you can use `await` to pause execution until a promise is resolved, making the code easier to read and write as if it were synchronous.

Web Development

Ques:- What are JavaScript closures and how do they work

Asked In :- Vinove Software & Services Pvt Ltd, Trigent Software, Codiant Software Technologies, Born Commerce, Oodles Technologies, Radicle Software, SPARX IT SOLUTIONS, Energytech Global, Adnate IT Solutions, Muvi Entertainment,

Right Answer:
JavaScript closures are functions that remember their outer scope even when the function is executed outside that scope. They work by capturing the variables from their surrounding environment, allowing access to those variables even after the outer function has finished executing. This is useful for data encapsulation and maintaining state in asynchronous programming.

Web Development

Ques:- What is the difference between frontend and backend development

Asked In :- Object Frontier Software, Medvarsity Online, Walkover Web Solutions, Itobuz Technologies, Aakit Technologies, LiteBreeze Infotech, TRICON INFOTECH PVT, Spectra Medix India, Novalnet e-Solutions, SPARX IT SOLUTIONS,

Right Answer:
Frontend development refers to the part of a website or application that users interact with directly, including the layout, design, and user interface. Backend development involves the server-side, focusing on databases, server logic, and application functionality that users do not see.

Adaptability

Ques:- What role does adaptability play in problem-solving and decision-making

Asked In :- Xoriant Solutions Pvt Ltd, WSNE Consulting, MattsenKumar Services, GOQii Technologies, Cloud Kinetics Technology Solutions, Enovate IT Outsourcing, Softcell Technologies, E2E Networks, iB Arts Pvt. ltd, Adapty Solutions,

Right Answer:
Adaptability allows individuals to adjust their approach when faced with new information or changing circumstances, leading to more effective problem-solving and decision-making. It enables quick responses to unexpected challenges and fosters creative solutions by considering multiple perspectives.

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[x]cube LABS is a leading digital transformation company that specializes in creating innovative solutions for businesses across various industries. With a focus on leveraging emerging technologies such as artificial intelligence, machine learning, augmented reality, and blockchain, [x]cube LABS helps organizations modernize their operations, enhance customer experiences, and drive growth. Founded in 2008, [x]cube LABS has established itself as a trusted partner for companies seeking to embrace digital disruption and stay ahead of the competition. The company offers a wide range of services, including mobile app development, web development, cloud solutions, IoT (Internet of Things) development, and digital marketing. One of the key strengths of [x]cube LABS is its team of highly skilled professionals who possess expertise in various technology domains. Through a collaborative approach, they work closely with clients to understand their unique business challenges and develop tailored solutions to address them effectively. [x]cube LABS has a proven track record of delivering successful outcomes for its clients, ranging from startups to Fortune 500 companies. By combining technical expertise with a deep understanding of industry trends and market dynamics, the company continues to drive innovation and help businesses thrive in the digital age.

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