Netscout IT Technology Application Support Engineer Interview Questions and Answers

Q1. Share technical questions regarding interview
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Q1. Share several level questions and Linux, Unix and Android
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Q1. Which technology you have worked ,explain in brief your day to day roles and responsibilities
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Q2. What do you know about SQL , Unix , explain in brief
Ans. 
SQL is a database language used to manage data. Unix is an operating system used for servers and workstations.
• SQL is used to create, modify, and query databases.

• Unix is a command-line interface used for file management, process control, and networking.

• SQL can be used with various database management systems like MySQL, Oracle, and SQL Server.

• Unix commands include ls, cd, grep, and chmod.

• SQL and Unix are commonly used i
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Q3. Tell all unix commands which are mostly used
Ans. 
Commonly used Unix commands
• ls - list directory contents

• cd - change directory

• mkdir - make directory

• rm - remove files or directories

• cp - copy files or directories

• mv - move or rename files or directories

• grep - search for patterns in files

• cat - concatenate and display files

• chmod - change file permissions

• ssh - secure shell remote login
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Q4. What you will do if application perform slow,
Ans. 
I will investigate the root cause of the slow performance and take appropriate actions.
• Check server resources usage

• Analyze application logs

• Identify bottleneck areas

• Optimize database queries

• Implement caching mechanisms

• Upgrade hardware or software if necessary
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Q5. Tell all SQL commands which you know
Ans. 
Common SQL commands for data manipulation and retrieval
• SELECT - retrieve data from a table

• INSERT - insert data into a table

• UPDATE - update existing data in a table

• DELETE - delete data from a table

• CREATE - create a new table or database

• ALTER - modify the structure of a table

• DROP - delete a table or database

• JOIN - combine data from multiple tables

• GROUP BY - group data based on a specific column

• ORDER BY - sort data based
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Q1. What is your current role in organization
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Q2. What is your salary expeactation
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Random Topic, It went for 30 min

Q1. Introducing self
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Q2. Biggest achievement
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Q1. Are you ready to work in shifts
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Q2. Salary explanation
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Maths general knowledge

Q1. Operating system,network layer,internet surfing
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Q1. Technical aspects, knowledge on erp,database
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Q1. Salary discussion
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Q1. Oops concepts, project explanation
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