ThoughtWorks Senior Consultant Interview Questions and Answers for Experienced

Q1. Which protocol/protocols works when there is a communication between 2 Pbx systems?
Ans. 
The protocols that work when there is a communication between 2 Pbx systems are SIP (Session Initiation Protocol) and H.323.
• SIP (Session Initiation Protocol) is commonly used for setting up and tearing down voice or video calls over IP networks.

• H.323 is an older protocol used for multimedia communication over IP networks.

• Both SIP and H.323 are commonly used in VoIP (Voice over Internet Protocol) systems to facilitate c
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Hackerrank coding test related to Java 8, Spring Boot and some other JPA stuff. The recruiter just told me that it was an online coding challenge so I did not know what to expect or what to prepare. I just thought it would be some DSA or puzzle challenge round. I think it was 30 questions in 30 minutes of something like that. I thought that did not do well, surprisingly they asked to attend the second round.

Q1. What happens to a HTTP request when it leaves a client making a call and before reaching the server?
Ans. 
HTTP request passes through multiple network layers before reaching the server.
• HTTP request is first sent from client to local network router.

• Router forwards request to Internet Service Provider's network.

• Request then passes through multiple routers and switches in the internet backbone.

• Finally, request reaches the server hosting the requested website or service.

• Each network layer adds its own headers and metadata to t
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Q2. Why is HTTP stateless?
Ans. 
HTTP is stateless because it does not retain information about previous requests.
• HTTP treats each request as an independent transaction without any knowledge of previous requests.

• This design simplifies implementation and improves scalability.

• State information can be managed using cookies or session tokens.

• Example: When a user logs into a website, the server may create a session token to track the user's activity.
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Q3. General questions about my career.
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Q1. Asked about Projects done on previous company
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Q2. Asked on Agile, Waterfall and Scrum frameworks
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Q3. Asked about Core Banking Modules which I have handled in ny previous experiences
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Q1. Asked about payments-NEFT/RTGS
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Q2. Asked on Agile and Scrum.
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Q3. Asked on Business Analysis process
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Q4. Asked the situation related questions like how to handle if the requirement changes after developement, challenges faced during process as BA.
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Q1. Explains the roles handled and experiences previously I have in detail.
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Q2. Asked expected ctc and negitiated little bit. I managed to get a hike around 40%.
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Q3. Asked about the minimum joinjng time required to join.
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