Explanation

• OSPF (Open Shortest Path First) establishes route adjacencies on point-to-point links, but does not perform the DR (Designated Router)/BDR (Backup Designated Router) election process on these links.
• This is because point-to-point links only have two routers connected, so there is no need for a DR or BDR.

Explanation

Telnet is a text-based computer protocol that allows users to remotely access and manage a computer or network device. It uses a command-line interface (CLI) to send and receive text-based commands and responses. Telnet is a client-server protocol, where the user's device acts as the client and the remote device acts as the server.

Telnet is typically used for:

• Remote access to servers, routers, and other network devices
• Command-line interface (CLI) access to network devices
• Troubleshooting and debugging network connections
• Remote execution of commands and scripts

Explanation

A user can access files from other computers on the Internet by using FTP.

FTP stands for File Transfer Protocol 

Explanation

An operating system is system software that manages computer hardware, software resources, and provides common services for computer programs. 

Explanation

A file manager is a software program that helps a user manage all the files on their computer

All file managers allow the user to view, edit, copy, and delete the file on their computer storage devices 

Explanation

any non-zero integer value within the integer range.

Explanation

Apple has developed a series of Macintosh operating systems.

The first versions initially had no name but came to be known as the "Macintosh System Software" in 1988, "Mac OS" in 1997 

Explanation

• ".cat" is not a Country Code Top Level Domain (ccTLD).
• It's actually a sponsored top-level domain intended to promote the Catalan language and culture.

Explanation

• Most of the C compiler use Integrated Development Environment (IDE) to Compile, Link, Execute simple program. 
• An integrated development environment (IDE) is a software application that provides comprehensive facilities to computer programmers 
  

Explanation

In computing, a window is a graphical control element.