Exam 9: Communications and Networks

A phoneline network is a network that uses the same lines that bring electricity into the house.

A home powerline cable network is an easy-to-install and inexpensive network that uses existing telephone lines in the home.

Nearly the entire telephone network today uses analog technology, with the exception of the final link from the local telephone company to a home, which is digital.

COGNITIVE ASSESSMENT Which group developed the WiMAX standard?

COGNITIVE ASSESSMENT What term describes the process in which two or more computers or devices transfer data, instructions, and information?

On a network such as the one illustrated in the accompanying figure, some servers perform a specific task and can be placed with other servers to perform multiple tasks. What are these kind of servers call?

A(n) ____________________ device is a device that initiates an instruction to transmit data, instructions, or information.

COGNITIVE ASSESSMENT What term is used to describe the time it takes a signal to travel from one location to another on a network?

____________________ allows users connected to a network to transfer money from one bank account to another via transmission media.

Which of the following terms identifies any network based on the 802.11 family of standards?

Many home users are connecting multiple computers and devices together into a system that saves money and provides many conveniences. What is the name for this system?

With ISDN, the same telephone line that could carry only one computer signal now can carry three or more signals at once through the same line, using a technique called ____________________.

Which of the following kinds of cable consists of one or more twisted-pair wires bundled together?

Discuss fiber-optic cable, including its advantages and disadvantages.

Some hot spots require users to subscribe to a WiMAX, to which they pay per access fees, daily fees, or a monthly fee.

COGNITIVE ASSESSMENT What is another term for an Internet peer-to-peer network?

A(n) ____________________ is a navigation system that consists of one or more earth-based receivers that accept and analyze signals sent by satellites in order to determine the receiver's geographic location.

As shown in the accompanying figure, which of the following kinds of networks is a network topology in which a cable forms a closed loop, with all computers and devices arranged along it?

COGNITIVE ASSESSMENT Which statement best describes how the RFID standard works?

COGNITIVE ASSESSMENT What type of media transmits multiple signals simultaneously?