24/7 Customer Senior Technical Consultant Interview Questions and Answers

Q1. Design Ms teams
Ans. 
Designing Ms Teams involves creating channels, setting up permissions, integrating apps, and customizing notifications.
• Create different channels for different teams or projects

• Set up permissions to control access to channels and files

• Integrate apps like Trello, Asana, or Salesforce for seamless workflow

• Customize notifications to ensure important messages are not missed
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Q2. All javascript Pollyfills
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Q1. Quick sorting is asked in this round
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Q2. Tree traversal was asked
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Q1. Merge sort was asked
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Q2. Binary search was asked
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Algorithm based coding round

Q1. Hard problem solved during project work
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Q2. Most used technologies during work
Ans. 
The most used technologies during work include Java, Spring Boot, AWS, Docker, and Kubernetes.
• Java

• Spring Boot

• AWS

• Docker

• Kubernetes
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Q1. Tentative Date of joining
Ans. 
I am available to join within 2 weeks of receiving an offer.
• Available to join within 2 weeks of receiving offer

• Flexible with start date if needed

• Can start immediately if required
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Q2. Salary expectation
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Q1. Transaction in Spring Boot
Ans. 
Transactions in Spring Boot help manage database operations as a single unit of work.
• Transactions ensure ACID properties (Atomicity, Consistency, Isolation, Durability) for database operations.

• Use @Transactional annotation to mark a method as transactional.

• Transactions can be managed programmatically using TransactionTemplate.

• Rollback can be triggered manually in case of exceptions.

• Spring Boot supports both declarative
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Q2. Java Array and problem solving
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Q1. System architecture
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Q2. Cloud computing
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Q1. Backup strategy
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Q2. Storage architecture
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Q1. Microservice architecture based questions for error handling
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Q2. Kafka architecture based question
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Q1. Design a system reading from a CDN
Ans. 
Design a system to read from a CDN
• Utilize a CDN to store and deliver content efficiently

• Implement caching mechanisms to reduce load times

• Use a content delivery network like Cloudflare or Akamai

• Consider implementing a multi-CDN strategy for redundancy and performance optimization
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Q2. How would you do memory management
Ans. 
Memory management involves allocating and deallocating memory efficiently to optimize system performance.
• Use dynamic memory allocation functions like malloc, calloc, and realloc to allocate memory as needed

• Track memory usage and release unused memory using free function to prevent memory leaks

• Implement memory pooling or caching to reuse memory blocks and reduce overhead of frequent allocation/deallocation

• Use memory pro...read more
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Q1. Questions were mostly around system design, you will be given a case like a stock system and specific use case is asked to design end to end from UI to backend.
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Q2. Some of the system debugging/performance improvement questions are asked from both UI and backend.
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Q1. Explain about the last issue you have worked on?
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Q2. Be honest on this question for tue success
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