Viasat Sde1 Interview Questions and Answers

Q1. Basic techno managerial questions on tech you worked on work, interests, challenges you faced. Was fairly short.
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Initially had a string based coding problem. Then was asked technical questions and then had a small break before doing system design with same interviewer for building book my show system and db schema.

Q1. Had a discussion with hiring manager on expectations, salary and growth.
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Q1. Find nth elements from last in linked list
Ans. 
Use two pointers to find the nth element from the end of a linked list.
• Use two pointers, one moving n steps ahead of the other

• When the first pointer reaches the end, the second pointer will be at the nth element from the end
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Q2. Difference between hashmap and concurrent hashmap
Ans. 
HashMap is not thread-safe while ConcurrentHashMap is thread-safe and allows concurrent access.
• HashMap is not thread-safe and can lead to ConcurrentModificationException if accessed by multiple threads simultaneously.

• ConcurrentHashMap allows concurrent access by multiple threads without the need for external synchronization.

• ConcurrentHashMap achieves thread-safety by dividing the map into segments, allowing multiple th...read more
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Q1. Tell me about your past experience?
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Q1. Technical Interview + Coding
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Q1. Technical Interview
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Q1. Mostly Scenario based
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Q2. 1 coding quest, then Detail discussion on each and every topic
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Questions were asked

Dsa dp, graphs and many more questions from arrays and linked list were asked

Q1. Details of what we did on college , project and few programs .
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Team work - how to participate, foster etc.

Q1. Ambition and how to work towards it
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Q2. How to function in a team
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