MCQ IN COMPUTER SCIENCE & ENGINEERING

Detailed explanation-1: -Sites on the Web are grouped by their URLs according to the type of organization providing the information on the site. For example, any commercial enterprise or corporation that has a Web site will have a domain suffix of .com, which means it is a commercial entity.

Detailed explanation-2: -Backbone network – A backbone network is part of a computer network infrastructure that provides a path for the exchange of information between different LANs or sub-networks. A backbone can tie together diverse networks within the same building, across different buildings, or over a wide area.

Detailed explanation-3: -A country-code top-level domain is an extension specific to a particular country. It consists of two letters based on the international country codes.

Detailed explanation-4: -Fiber-optic cables Also known as optic cables or optical fiber cables, they transfer data signals in the form of light and travel hundreds of miles significantly faster than those used in traditional electrical cables.