Exam 10: Communications and Networks

COGNITIVE ASSESSMENT Which of the following statements is not true of peer-to-peer networks?

What is the maximum transfer transmission rate for Bluetooth?

COGNITIVE ASSESSMENT Your smartphone, digital camera, and printer are all part of a network in your workspace. What type of network is likely in use?

Which of the following is a LAN that uses no physical wires?

COGNITIVE ASSESSMENT What is the approximate distance most Bluetooth devices can be from each other to communicate, without using additional equipment?

Which of the following is the maximum transfer transmission rate for communications satellites?

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

COGNITIVE ASSESSMENT Your school computer library has a network that connects computers and devices within a few small rooms. What type of network does it likely use?

Which of the following is true of DSL?

Only small networks use routers.

With FTTP service, an optical terminal at your location receives the signals and transfers them to a router connected to a computer.

A MAN typically includes one or more WANs like those shown in the accompanying figure, but covers a smaller geographic area than a LAN.

Critical Thinking Questions Case 10-1 You have taken a new job as a network administrator. Although you have been an IT professional within your organization for a number of years, this particular responsibility is a new one for you, so you have been studying network topologies, for example. You are very confident about the hub you are going to use in your new network - it is brand new and highly recommended by some colleagues that you trust. Which of the following network topologies is a good choice for you?

In a networked environment, no authorized computer user can access data and information stored on other computers on the network.

COGNITIVE ASSESSMENT What is the definition of a protocol, as it applies to networks?

The most popular T-carrier line is the ____________________ line.

On networks that use the TCP/IP protocol, ____________________ software monitors and logs packet traffic for later analysis.

On a network such as the one illustrated in the accompanying figure, what kind of computer controls access to the hardware, software, and other resources on the network and provides a centralized storage area for programs, data, and information?

Which of the following can be avoided if a computer or mobile device has a motherboard that integrates networking capability?

Which of the following kinds of cable consists of a single copper wire surrounded by at least three layers: an insulating material, a woven or braided metal, and a plastic outer coating?