Exam 10: Communications and Networks

COGNITIVE ASSESSMENT Which of the following technologies is the new tollbooth on the local highway most likely to use?

The amount of data, instructions, and information that can travel over a communications channel sometimes is called which of the following?

On a network such as the one illustrated in the accompanying figure, if one node fails, as long as that node is not providing services to other nodes on the network, what happens?

COGNITIVE ASSESSMENT Which is the best description of a coaxial cable?

On a token ring network, a packet is a special series of bits that function like a ticket, allowing the device with the packet to transmit data over the network.

An extranet essentially is a small version of the Internet that exists within an organization.

____________________ is a newer network standard developed by IEEE that specifies how wireless devices communicate over the air in a wide area.

COGNITIVE ASSESSMENT Which of the following is not true of communications software?

What is TCP/IP and how does it work? Define packet switching in the course of your response.

Which of the following is a communications device that connects multiple computers together and transmits data to its correct destination on a network?

COGNITIVE ASSESSMENT About which of the following do privacy advocates worry can destroy a person's anonymity?

Some smartphones can function as a wireless modem, called a mobile hot spot, when tethered to a personal computer.

Which of the following enables a computer or device that does not have built-in networking capability to access a network?

Many home users are connecting multiple computers and devices together into a system. What is the name for this system?

As shown in the accompanying figure, what is the term for a network that covers a large geographic area, such as a city, country, or the world, using a variety of wired and wireless transmission media?

Which of the following is a transmission media on which data, instructions, or information travel?

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

Define network topology, and discuss the most common types of topologies. Define which type of topology is in use in the accompanying figure.

COGNITIVE ASSESSMENT Which of the following statements best describes a BAN?

Transmission from a satellite to an earth-based station is called an uplink.