Exam 6: Networks

A local area network connects two or more communicating devices in a limited geographical area.

The rightmost part of an Internet name is the top-level specification, or the zone.

The _____ is a global wide-area network that connects approximately 1 million organizational computer networks.

Currently, ATM networks operate only on fiber-optic cable.

A domain name is the official name assigned to an Internet site, consisting of multiple parts, separated by dots, which are translated from right to left in locating the site.

The quality of automatic translation of Web pages is usually just as good as human translation.

What are the implications of telepresence systems? Include in your answer the uncertain safety in many parts of the world. Section reference 1: Network Applications

The function of _____ is to convert digital signals to analog signals and vice-versa.

An extranet is a network that uses Internet technologies and is designed to serve the information needs of a single organization.

In TCP/IP, IP is responsible for:

Which of the following enables users to send data across sometimes unreliable networks?

E-learning is conducted only in virtual classrooms, where all coursework is completed online.

With _____, every call opens up a dedicated circuit for the duration of the call.

What are the benefits and limitations of telecommuting? For individuals? For organizations? Section reference 1: Network Applications

Data are sent through a fiber-optic cable by a(n) _______.

_____ portals coordinate content within relatively narrow organizational and partners' communities.

Each site on the Internet gets an assigned address, which is a(n) _____.

Gal runs a music store. He has a desktop computer in the back room that acts as a server. He has a point-of-sale terminal that connects to the desktop. He also has a notebook (using in-store wireless access to the Internet) that can be carried around the store to look up current items in stock, or to search for items from one of his suppliers for special orders. Which type of network application is being used when a salesperson is looking up items in stock?

Gal runs a music store. He has a desktop computer in the back room that acts as a server. He has a point-of-sale terminal that connects to the desktop. He also has a notebook (using in-store wireless access to the Internet) that can be carried around the store to look up current items in stock, or to search for items from one of his suppliers for special orders. Which type of media does he likely use to connect the point-of-sale terminal to the desktop?

_____ refers to the range of frequencies available in any communications channel.