Exam 7: Computer Networks

A network adapter, also called a ____ when it is in the form of an expansion card, is used to connect a computer to a network.

The ____ allows individuals to "placeshift" multimedia content from their home TVs and DVRs to their portable computer or mobile device.

With ____, data is sent one bit at a time, one after the other along a single path.

Case-Based Critical Thinking Questions Case 7-2 Gabrielle is the network administrator at a medium-sized company. One of her responsibilities is to purchase network devices to maintain the company network. Gabrielle realizes that to improve network performance, she needs to buy and install a ____, which identifies the device on the network for which the data is intended and sends the data to that device only.

With a(n) ____________________ topology, each device on the network has a connection to every other device on the network.

Some wireless ____ are created by cities or large organizations to provide free or low-cost Internet access to residents of a particular area.

Case-Based Critical Thinking Questions Case 7-2 Gabrielle is the network administrator at a medium-sized company. One of her responsibilities is to purchase network devices to maintain the company network. Gabrielle would like to purchase a new ____, which would be used to connect the company's LAN and the Internet.

In ____ transmission, data can travel in either direction, but only in one direction at a time.

Similar to Wi-Fi, ____ is designed to provide Internet access to fixed locations (sometimes called hotzones), but the coverage is significantly larger.

____ transmissions are used with cell phones and are sent and received via cellular (cell) towers.

Describe the star network topology.

Most networking media send data using analog signals.

____________________ cable is the newest and fastest wired transmission medium.

____ transmission is relatively uncommon in data transmissions since most devices that are mainly one-directional, such as a printer, can still transmit error messages and other data back to the computer.

What is a virtual private network (VPN)?

____________________ phones are most often used by individuals-such as soldiers, journalists, wilderness guides, and researchers-traveling in remote areas where continuous cellular service might not be available.

____ is the fastest and most current Wi-Fi standard.

Mobile phones are phones that use a ____________________ network for communications instead of being connected to the regular telephone network via a conventional telephone jack.

A standard that is designed to connect peripheral devices, similar to Bluetooth, but that transfers data more quickly is ____.

A company network that is accessible to authorized outsiders is called a(n) ____________________.