McAfee Technical Support Executive Interview Questions and Answers

Q1. How does internet works
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Q2. HTTP codes SQL troubleshooting
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Q1. SQL python java
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Q1. Salary negotiations
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Q2. Work shifts questions
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Q1. Find the last 2 row in sql?
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Q1. Few linux commands
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Q2. Explain few, Any command for example
Ans. 
Some common commands for technical support engineers include ping, ipconfig, and tracert.
• Ping: Used to test the reachability of a host on an IP network.

• Ipconfig: Displays all current TCP/IP network configuration values.

• Tracert: Shows the route that packets take to reach a specified destination.
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Q1. About projects which I have worked on hybris
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Q2. Tools in hybris used
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Hybris uses various tools for development and support tasks.
• Eclipse IDE for development

• Hybris Administration Console for configuration

• HAC for monitoring and troubleshooting

• Ant for building and deploying

• Jenkins for continuous integration
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20 questions on logical and mathematical

Q1. Puzzles and coding questions
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Q1. What is shell in linux?
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Shell in Linux is a command-line interpreter that allows users to interact with the operating system by executing commands.
• Shell is a program that takes commands from the keyboard and gives them to the operating system to perform.

• It can also be used to automate tasks by writing scripts.

• Common shells in Linux include Bash, Zsh, and Ksh.

• Shell scripting allows users to write programs that can be executed by the shell.

• Exam...read more
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Q2. What are the different types of joins
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Different types of joins include inner join, outer join, left join, and right join.
• Inner join: Returns rows when there is a match in both tables

• Outer join: Returns all rows when there is a match in one of the tables

• Left join: Returns all rows from the left table and the matched rows from the right table

• Right join: Returns all rows from the right table and the matched rows from the left table
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Q1. How to tune a sql query?
Ans. 
Tuning a SQL query involves optimizing its performance by adjusting various factors.
• Identify slow-performing queries using tools like SQL Profiler or Execution Plan.

• Optimize query structure by using appropriate indexes and avoiding unnecessary joins.

• Consider rewriting the query to use more efficient techniques like subqueries or CTEs.

• Update statistics and ensure database indexes are up to date.

• Limit the number of rows ...read more
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Q2. How to find errors in log files in linux
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Errors in log files in Linux can be found by searching for keywords, timestamps, and error codes.
• Use 'grep' command to search for specific keywords or error codes in log files

• Look for timestamps to identify when errors occurred

• Check for any error messages or warnings that may indicate issues

• Use 'tail' command to view the end of log files for recent errors

• Consider using 'journalctl' command for system logs in systemd-ba
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Q1. Querstions related to rest ai
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Q2. What happen when u click google.com
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When you click google.com, you are directed to the Google search engine homepage.
• Redirects to Google search engine homepage

• Allows you to search for information

• Access to various Google services like Gmail, Maps, and Drive
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Q1. Update query in sql
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An update query in SQL is used to modify existing records in a database.
• Use the UPDATE keyword followed by the table name

• Set the column(s) to be updated using SET

• Specify the new values for the columns

• Add a WHERE clause to specify which records to update
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Q2. Linux telnet, ping commands
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