Exam 10: Communications and Networks

For smaller business and home networks, which of the following allows multiple computers to share a single broadband Internet connection such as through a cable modem or DSL modem?

COGNITIVE ASSESSMENT Which of the following communications technologies does not use broadcast radio signals?

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

When users log off a P2P network like the one in the accompanying figure, other users still can access their hard disks.

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?

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

Which of the following is a simple, inexpensive network that typically connects fewer than 10 computers?

A(n) ____________________ device is a device that accepts the transmission of data, instructions, or information.

The type of network shown in the accompanying figure, describes a network in which each computer has equal responsibilities and capabilities. What is this kind of network called?

Hot spots offer mobile users the ability to connect to the Internet with their Wi-Fi enabled wireless computers and devices.

Which of the following is the greatest problem with regard to a bus network?

Critical Thinking Questions Case 10-2 The area of network communications standards is an area with which you are not familiar, so you have decided to study it in some detail. You expect to have to network a wide range of devices in the near future, so this is a timely subject of study. You are looking for a way to transmit signals through a door, and with a high transfer rate, because you have some video to transfer from a digital video camera. Which of the following protocols is the best bet for you?

The ____________________ standard specifies that computers and devices on the network share or pass a special signal, called a token, in a unidirectional manner and in a preset order.

A WLAN cannot communicate with a wired LAN.

A dial-up modem connected to a sending computer converts the computer's digital signals into analog signals.

COGNITIVE ASSESSMENT What is a sending device?

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

A GPS receiver is a handheld, mountable, or embedded device that contains an antenna, a radio receiver, and a processor.

COGNITIVE ASSESSMENT What is the term for a communications device that connects multiple computers together and transmits data to its correct destination on a network?

A DSL modem converts digital signals to analog signals and vice versa so that data can travel along an analog phone line.