Amazon Web Services Tcsa Interview Questions and Answers

Q1. What is your family background?
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Q2. What are your strengths and weaknesses?
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Q3. Tell me about yourself.
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Easy logical questions
basic quant

Easy level coding questions
Counting frequency of alphabets

Round duration - 60 minutes
Round difficulty - Medium

The online round was held around 11 am.The online round consisted of questions on sql,computer networks,operating system,data structures ,c++ and java.There was no subjective coding question but yes there were questions based on output prediction and figure out the wrong line of code in a given code according to a given output.You need to score atleast 70% in this test to qualify for the next round.

Q1. 
String Transformation Problem
Given a string (STR) of length N, you are tasked to create a new string through the following method:
Select the smallest character from the first K characters of STR, remov...read more
Ans. 
Given a string and an integer K, create a new string by selecting the smallest character from the first K characters of the input string and repeating the process until the input string is empty.
• Iterate through the input string, selecting the smallest character from the first K characters each time.

• Remove the selected character from the input string and append it to the new string.

• Continue this process until the input ...read more
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Round duration - 30 Minutes
Round difficulty - Medium

After clearing the first round chegg provides you a chegg guideline document(which most of the students end up skipping).Please go through that properly because the second test contain 20 MCQS based on chegg guidelines. And you have to score at least 80% in that i. e, you have to score at least 16/20.You will get three chances to clear this round.