Exam 7: Computer Networks

Communications satellites are space-based devices launched into orbit around the earth to receive and transmit microwave signals to and from earth.

In ____ transmission, data can move in both directions at the same time, such as with a telephone.

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 is planning to connect selected devices to the network wirelessly with a wireless ____.

The accompanying figure shows a coaxial cable, in which pairs of copper wires are insulated with a plastic coating and twisted together.

With a(n) peer-to-peer (P2P) network, a central server is not used.

Support for TCP/IP is built into virtually all operating systems, and TCP addresses are commonly used to identify the various computers and devices on networks such as LANs.

TCP/IP uses a technique called packet switching to transmit data over the Internet.

In a ____ network, there are a number of different connections between the devices on the network so that data can take any of several possible paths from source to destination.

The technique used for data sent over the Internet is ____.

Workgroup computing is also referred to as _________ computing.

____ is a wireless standard that is designed for very short-range (10 meters, approximately 33 feet, or less) connections.

Backed by seven major electronics companies, ____________________ is designed to transfer full-quality uncompressed high-definition audio, video, and data within a single room at speeds up to 25 Gbps.

In ____________________ transmission, data is sent when it is ready to be sent, without being synchronized.

Mobile phones are also called wireless phones.

Monitoring systems may also use ____, which are devices that respond to a stimulus (such as heat, light, or pressure) and generate an electrical signal that can be measured or interpreted.

A(n) star network uses a number of different connections between network devices so that data can take any of several possible paths from source to destination.

The ____________________ is a satellite-based location and navigation system.

Wi-Fi is a wireless standard that is designed for very short-range (10 meters, approximately 33 feet, or less) connections.

____ was originally developed to carry a large number of high-speed video transmissions at one time, such as to deliver cable TV service.

____ are earth-based stations that can transmit microwave signals directly to each other over distances of up to about 30 miles.