What do we call a network whose elements may be separated by some distance? It usually involves two or more small networks and dedicated high-speed telephone lines.

The correct answer is C. WAN (Wide Area Network).

A WAN is a network that spans a large geographical area. It usually involves two or more small networks and dedicated high-speed telephone lines. WANs are used to connect businesses, universities, and other organizations that are located far apart.

A URL (Universal Resource Locator) is a unique address that identifies a resource on the World Wide Web. A LAN (Local Area Network) is a network that connects computers and other devices within a limited area, such as an office building or a home. The World Wide Web is a system of interlinked hypertext documents accessed via the Internet.

Here is a more detailed explanation of each option:

• A URL (Universal Resource Locator) is a unique address that identifies a resource on the World Wide Web. A URL is made up of several parts, including the protocol, the domain name, and the path. The protocol is the set of rules that govern how data is exchanged between two computers. The domain name is the name of the website or other resource. The path is the location of the resource on the website.
• A LAN (Local Area Network) is a network that connects computers and other devices within a limited area, such as an office building or a home. LANs are typically used to share files, printers, and other resources. LANs can be wired or wireless.
• A WAN (Wide Area Network) is a network that spans a large geographical area. It usually involves two or more small networks and dedicated high-speed telephone lines. WANs are used to connect businesses, universities, and other organizations that are located far apart.
• The World Wide Web is a system of interlinked hypertext documents accessed via the Internet. The World Wide Web is made up of billions of web pages that are stored on servers all over the world. Web pages are accessed using a web browser.