Exam 9: Communications and Networks

Telephone networks, the Internet, and other networks with large amounts of traffic use ATM.

Each computer or device on a local area network, called a ____________________, often shares resources such as printers, large hard disks, and programs.

On a network such as the one illustrated in the accompanying figure, if one node fails, what happens?

____________________ technology uses short-range radio waves to transmit data between two devices.

COGNITIVE ASSESSMENT What does EFT stand for?

COGNITIVE ASSESSMENT What does the G in GPS stand for?

Which of the following lines is a temporary connection that uses one or more analog telephone lines for communications?

COGNITIVE ASSESSMENT Which of the following statements best describes the Ethernet network standard?

One of the more widely used transmission media for network cabling and telephone systems is twisted-pair cable.

Which of the following terms is the time it takes a signal to travel from one location to another on a network?

Some mobile users have a wireless modem that uses the cell phone network to connect to the Internet wirelessly from a notebook computer or other mobile device.

COGNITIVE ASSESSMENT Which of the following statements describes the OSI model?

COGNITIVE ASSESSMENT Your favorite television program solicits votes for its contestants from its audience. What communication technology do you use to cast your vote?

Discuss what a dedicated line is and list the different types of dedicated lines.

Which of the following defines guidelines that specify the way computers access the medium to which they are attached, the type(s) of medium used, the speeds used on different types of networks, and the type(s) of physical cable and/or the wireless technology used?

On a ring network, if the hub fails the entire network is inoperable until the hub is repaired.

In many public locations, people connect wirelessly to the Internet using their mobile computers or devices through which of the following?

Businesses are the primary users of which of the following because this technology provides a means for departments to communicate with each other, suppliers, vendors, and with clients?

COGNITIVE ASSESSMENT What is the definition of RSS?

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