Exam 4: Telecommunications and Networking

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?

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

A(n)_____ connects two or more devices in a limited geographical area.

In TCP/IP, IP is responsible for:

Which of the following is not a disadvantage of telecommuting for employees?

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

_____ are Internet access points that are located in public places, such as libraries and airports.

A type of processing that links two or more computers in an arrangement in which some machines provide computing services for user computers is best described as _______.

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

Digital signals have two parameters: frequency and amplitude.

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?

Which of the following is not a characteristic of twisted-pair wire?

Portals are an example of which network application?

Twisted-pair wire is the least-used form of communications wiring.

The U.S. public telephone system was designed as an analog network to carry voice signals.

Gal runs a music store. He has been going online to a new portal for music lovers. This portal is an example of which type of portal?

Commercial portals are intended for broad audiences and offer fairly routine content.

All of the following statements concerning wide-area networks are true except:

_____ are hardware devices that support data transmission and reception across a telecommunications system.

Cladding is the coating that surrounds fiber-optic cables and prevents light from leaking out of the fiber.