AT&T Interview Questions and Answers for Freshers

Q1. It was a online coding round with one question related to a medium hard binary search question..
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Q2. The second question was bit ambiguous question involving a tree, where we were asked to add a tree child and subchild in the form a a directory and subdirectory
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Q1. Why do you want to work with a telecom company?
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Q2. What do you know about AI?
Ans. 
AI stands for artificial intelligence, which is the simulation of human intelligence processes by machines.
• AI involves the development of algorithms that can perform tasks typically requiring human intelligence.

• Examples of AI applications include virtual assistants like Siri, self-driving cars, and recommendation systems like Netflix.

• Machine learning is a subset of AI that focuses on the development of algorithms that ...read more
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Q3. Tell me about yourself
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Q1. Use of Hash Table
Ans. 
Hash tables are data structures that store key-value pairs for efficient retrieval.
• Hash tables use a hash function to map keys to indexes in an array.

• They have constant time complexity for insertion, deletion, and lookup operations.

• Collisions can occur when multiple keys hash to the same index, which can be resolved using techniques like chaining or open addressing.
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The discussion is about the benefits and drawbacks of artificial intelligence and UPI payments.

Q1. They have asked Self introduction.
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Q2. The project's that I have worked on my final sem.
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Q3. The role and responsibilities that I have done in my previous internship.
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Q4. What are your strengths and weaknesses?
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Q5. What kind of compensation are you looking for?
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Q6. Where do you see yourself in five years?
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