Zerone Technologies Interview Questions and Answers

It was Very Easy and HR was Very Friendly Nature

Q1. What Is OOOps and explain those?
Ans. 
OOOps stands for Out Of Order packets. It refers to packets that arrive at their destination out of sequence.
• OOOps can occur in network communication when packets are sent out of order and arrive at the destination in a different order than they were sent.

• This can lead to issues in data transmission and can cause delays in processing the information.

• One way to handle OOOps is by using sequence numbers in packets to ens...read more
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Q2. What is Exception Handling ?
Ans. 
Exception handling is a mechanism to handle runtime errors and prevent program crashes.
• It is a way to deal with unexpected errors or exceptional conditions in a program.

• Exceptions can be caught and handled using try-catch blocks.

• Common exceptions include NullPointerException, ArrayIndexOutOfBoundsException, and IOException.

• Handling exceptions properly can improve the robustness and reliability of a software application
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There was no aptitude test; we proceeded directly to coding questions.

Level 1, Level 2, and Level 3 questions of simple, medium, and hard difficulty.

Q1. Normal hr questions
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Q2. About yourself, etc
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Normal aptitude questions they will ask

Program like palindrome, String reverse etc

Strong appitude knowledge is required.

Q1. String , arrays, oops
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Q1. Strecture of sql statement
Ans. 
SQL statements are used to interact with databases by performing operations like querying, updating, and deleting data.
• SQL statements are made up of keywords like SELECT, INSERT, UPDATE, DELETE, etc.

• They are structured in a specific order, with clauses like WHERE, ORDER BY, GROUP BY, etc.

• Tables are referenced using their names, and conditions are specified to filter data.

• Joins can be used to combine data from multiple
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JavaScript, React Js

Q1. How many years of relevant experience
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Q2. What is your current CTC
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Q3. What is your Expectation
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Q1. What is your Strength
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Q2. What is weakness
Ans. 
One weakness I have is that I can be overly critical of my own work, which can sometimes lead to self-doubt.
• I tend to overthink things and can be indecisive at times

• I have a tendency to take on too many tasks at once, leading to feeling overwhelmed

• I struggle with public speaking and often get nervous in front of large groups
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Q3. What is your Goal
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