Technical Support Consultant Interview Questions and Answers

To find DNS of a website using Linux command

• Use 'nslookup' command followed by the website URL

• Alternatively, use 'dig' command followed by the website URL

• Both commands will display the DNS information of the website

SQL join is used to combine rows from two or more tables based on a related column between them.

• Types of SQL join are inner join, left join, right join, and full outer join

• Inner join returns only the matching rows from both tables

• Left join returns all the rows from the left table and matching rows from the right table

• Right join returns all the rows from the right table and matching rows from the left table

• Full outer join returns all the rows from both tables, with NULL values...read more