Subex Application Support Engineer Interview Questions and Answers

Q1. Which is your roles and responsibilities Which issue you have solved
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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
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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,
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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
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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. Share technical questions regarding interview
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Q1. Share several level questions and Linux, Unix and Android
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It was Easy to medium . overall good

It was Medium to tough level

Q1. What is fifo lifo
Ans. 
FIFO (First In, First Out) and LIFO (Last In, First Out) are inventory management methods.
• FIFO: Items that are added first are the first to be removed. Like a queue.

• LIFO: Items that are added last are the first to be removed. Like a stack.
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Q2. Whole data structure concepts
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Q1. What do you want to change in this country if you get a chance
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I would focus on improving access to quality education for all citizens.
• Implementing policies to ensure equal opportunities for education

• Investing in infrastructure and resources for schools in underserved areas

• Providing scholarships and financial aid for students from low-income families

• Promoting vocational training programs to address skills gaps in the workforce
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Q2. I don't remember
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Q1. Regarding application
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Q2. Regarding program
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Q1. Related to manage customer
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Q2. How to tackle end users
Ans. 
Tackling end users involves effective communication, patience, and problem-solving skills.
• Listen actively to understand their issues

• Communicate clearly and patiently

• Provide step-by-step instructions or guidance

• Empathize with their frustrations

• Offer solutions or workarounds

• Follow up to ensure the issue is resolved
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How to write code regarding customer

Case study regarding related to project

Q1. HR manager one on one round
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Application project management

Q1. Depends on your skill
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Q2. All technical questions related linux,Unix,SQL, oracle
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Q1. Linux,Unix,SQL, oracle, Jenkin, DEVOPS,AWS,hpsm,ITIL, service now
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Q2. Depends on your skills
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