WEMATTER PXT Data Analyst Interview Questions and Answers

Aptitude test and coding test

Q1. Python basics and about academic project
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Q1. Python questions and hands on coding
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Q1. All C# basics and advanced questions
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Q1. Second Technical round was with US CEO
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Q1. C# basics and Database related questions.
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Q1. Technical interview was taken by Rahul Maheshwari who live in the us, normal c# question they asked
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Q2. Oops concept, difference between asp.net vs .net core,dependency injection etc
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Q1. Basic Qualification
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Q2. Reasons for job change
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Q1. Virtual Dom vs Real Dom
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Virtual Dom is a lightweight copy of the Real Dom, used for efficient updates in web development.
• Virtual Dom is a lightweight copy of the Real Dom, used for efficient updates in web development.

• Real Dom represents the actual structure of the web page, while Virtual Dom is a simplified version stored in memory.

• Changes made to the Virtual Dom are compared with the Real Dom to determine the minimum number of updates neede...read more
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Q2. React Hooks flow
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Q1. Tell me about your certifications on Cloud
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I am certified in AWS Certified Solutions Architect - Associate and Google Cloud Certified - Professional Cloud Architect.
• Certified in AWS Certified Solutions Architect - Associate

• Certified in Google Cloud Certified - Professional Cloud Architect
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Q1. Desing API endpoints
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Designing API endpoints involves defining routes, methods, and data formats for client-server communication.
• Use RESTful conventions: e.g., GET /users to retrieve users.

• Implement CRUD operations: POST /users to create, GET /users/{id} to read, PUT /users/{id} to update, DELETE /users/{id} to delete.

• Consider versioning: e.g., /v1/users to manage changes over time.

• Use meaningful resource names: e.g., /products instead of ...read more
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Q2. SQL queries test
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Q3. Basic and intermediate level questions on C#
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Questions about projects, DI in ASP.NET Core, React Element Tree

3 Coding Questions (Medium Level) + 12 MCQ(CS Fundamentals)

Q1. Question on OOPS
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Q2. Questions on Computer Networks
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- find 2nd min and Max from array
- find mid of linked list
- reverse stack

Q1. Search element is 2d matrix, which is sorted row and column wise.
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Q2. How web works, what happens after you type any url in browser?
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When a URL is typed in a browser, it sends a request to the server which responds with the requested web page.
• Browser checks cache for DNS resolution

• If not found, browser sends a DNS request to resolve the domain name to an IP address

• Browser sends an HTTP request to the server at the IP address

• Server responds with the requested web page

• Browser renders the web page
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Q3. Explain different layers in OSI model
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The OSI model has 7 layers that define how data is transmitted over a network.
• Layer 1: Physical layer - deals with the physical aspects of transmitting data

• Layer 2: Data link layer - responsible for error-free transfer of data between nodes

• Layer 3: Network layer - handles routing and forwarding of data packets

• Layer 4: Transport layer - ensures reliable delivery of data between end systems

• Layer 5: Session layer - establ...read more
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Q4. Difference between TCP and UDP
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Q5. Questions related to switch and router
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Q6. Different ways of process scheduling
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Process scheduling can be done using various algorithms such as FCFS, SJF, Round Robin, Priority scheduling, etc.
• First Come First Serve (FCFS) - Processes are executed in the order they arrive.

• Shortest Job First (SJF) - Processes with the shortest burst time are executed first.

• Round Robin - Processes are executed in a cyclic manner with a fixed time slice.

• Priority Scheduling - Processes with higher priority are execute...read more
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Q1. Where do you see your self in 5 years
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Q2. What do you know about versa network
Ans. 
Versa Networks is a software-defined networking (SDN) company that provides cloud-native solutions for secure connectivity and network management.
• Versa Networks specializes in SD-WAN (Software-Defined Wide Area Networking) solutions.

• Their solutions enable organizations to securely connect and manage their networks across multiple locations and cloud environments.

• Versa Networks offers features like traffic optimization,...read more
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Q3. Introduction yourself
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MENTAL FAMILIY RELATION

Q1. Share ur experience
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