Exam 7: Networks and Communication Devices

Electronic medical monitors take the vital signs of an individual (such as weight, blood-sugar readings, or blood pressure) or prompt an individual to answer questions. _________________________

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

With telesurgery , at least one of the surgeons performs the operation by controlling the robot remotely over the Internet or another network. _________________________

TCP/IP is the protocol used for transferring data over the Internet.

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

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

The RedStar system built into many GM cars uses GPS to locate vehicles when the occupant activates the service or when sensors indicate that the car was involved in an accident. _________________________

____________________ 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.

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

One type of mobile phone that is not commonly used is the ____.

In general, Wi-Fi is designed for medium-range data transfers-typically between 100 and 300 feet both indoors and outdoors.

You can often update the ____________________ (embedded instructions) for a router and other networking hardware to improve performance or obtain new capabilities.

One of the early Ethernet protocols (called 10BASE-T) supports transmission rates of 10 Mbps.

____________________ cable is the newest and fastest wired transmission medium.

GPS receivers are commonly used by individuals to determine their geographic location while hiking and to obtain driving directions while traveling.

Mobile phones are phones that use a(n) ____________________ network for communications instead of being connected to the regular telephone network.

Because geosynchronous satellites are so close above the surface of the earth, there is no delay while signals travel from earth, to the satellite, and back to earth again.

A bus network uses a central device (such as a server or a switch) to which all network devices connect and through which all network data is sent.

A(n) ____ is a network designed to service an urban area, typically a city or county.

A(n) ____________________ is a private network, such as a company LAN, that is designed to be used by an organization's employees and is set up like the Internet.