Cheil India Interview Questions and Answers

Technical troubleshooting involves identifying, isolating, and resolving technical issues to ensure systems are functioning properly.

• Identify the problem by gathering information from the user or system logs

• Isolate the issue by testing different components or configurations

• Resolve the problem by applying solutions based on the root cause

• Document the troubleshooting process and solution for future reference

VPNs are Virtual Private Networks that allow users to securely access a private network over a public network.

• VPNs encrypt data to ensure privacy and security

• They can be used to access region-restricted websites or bypass censorship

• Common VPN protocols include OpenVPN, L2TP/IPsec, and IKEv2

Telnet is a network protocol used to access and manage devices remotely over a network.

• Telnet allows users to connect to a remote device or server using a command-line interface.

• It is commonly used for troubleshooting network issues, configuring devices, and accessing remote servers.

• Telnet operates on port 23 and transmits data in plain text, making it less secure compared to SSH.

• Example: telnet 192.168.1.1 23

Telnet is a network protocol used to connect to remote devices, ping is a network utility used to test connectivity, and SQL is a language used for managing databases.

• Telnet is a protocol that allows you to connect to a remote device over a network.

• Ping is a utility used to test the reachability of a host on an IP network.

• SQL (Structured Query Language) is a language used for managing and querying databases.

• Examples: Telnet can be used to connect to a remote server, ping can ...read more

A SQL join query combines rows from two or more tables based on a related column between them.

• Use keywords like INNER JOIN, LEFT JOIN, RIGHT JOIN, or FULL JOIN to specify the type of join

• Specify the columns to join on using ON keyword

• Include the table names and column names in the query