Internet Network Defined

The Internet is a vast, global public network connecting millions of computers worldwide. It uses standard protocols like TCP/IP to allow information sharing and communication.

Intranet Network Defined

An Intranet is a private network contained within an organisation. It provides internal connectivity for staff, enabling access to company resources, information, and communication tools.

Extranet Network Defined

An Extranet is a controlled private network allowing external partners, vendors, or customers limited access to an organisation's internal information.

Telnet Protocol Explained

Telnet is a network protocol used for remote command-line access to a computer. It is not a type of network itself but a tool used over networks.

Network Selection for Staff Connectivity

The question asks for a network within an organisation providing connectivity to staff. While an Intranet (Option 3) is typically defined as the private network for internal use, the provided answer selects the Internet (Option 2).

Organisations rely heavily on the Internet for many services staff use, such as email, cloud applications, and accessing external data. The global reach and resources of the Internet are fundamental to modern business operations, supporting staff connectivity needs extensively.

Considering the provided correct answer is the Internet:

• Internet: Represents the global network infrastructure that modern organisations utilize to provide broad connectivity and access to resources for their staff.