Fundamental Info. Systems: Module 8

High speed Internet access is generally referred to as ______________.

broadband

If signals are transmitted through wires, then ___________ in particular is being used.

a physical communication network

The general definition of _______________ is two or more connected devices which can share information with each other.

a communications network

A special type of communications network that connects devices located around the globe is called ___________ .

a wide area network

The difference between the highest and lowest frequencies supported on a transmission medium is called ______________.

bandwidth

Cable and digital subscriber line (DSL) are two types of wired _____________

broadband

A special type of communications network that links devices within a single building is called ___________ .

a local area

Often expressed in bits per second, ______________ is a measure of the capacity or speed of a transmission medium.

bandwidth

The fastest and most durable physical transmission medium is _____________.

optical fiber

Ordinary telephone wire is _______________.

twisted pair copper wire

A cable which contains bounded strands of glass fibers is called _______________.

optical fiber

A type of physical transmission medium which transmits pulses of light rather than electromagnetic signals is ____________.

optical fiber

A single insulated copper wire is called _______________.

coaxial cable

A "listen then send" protocol that is commonly used on wired local area networks is ____________

Ethernet

A set of standards and rules used to enable communication between devices is generally called __________________

a protocol

In order for devices on two networks that use different protocols to communicate, you would need to use _____________.

a router

A type of hardware that implements a communication protocol is called _________________.

a network interface card

In _____________, multiple wireless devices can communicate on the same frequency as long as they are located in sufficiently distant geographic areas.

a cellular radio network

A set of standards that enables wireless connections to wired local area networks is called ___________.

WiFi

A hardware device which can recieve wireless signals from mobile devices and send them over a wired LAN is ____________.

a network access point

A wireless network that relays low frequency radio signals using transceiver stations with low power antennae located in adjacent geographic areas is callled ___________.

a cellular radio network

In order for mobile devices to communicate on a WiFi network, it must be equipped with ______________ that implements the WiFI protocol.

a network interface card

A geographic area in a cellular network is called ____________

a cell

In ________________, a connection is handed off from one transceiver station to another as a mobile device travels further away from the first transceiver station

a cellular radio network

The range within which a mobile device can wirelessly communicate with a network access point is called _____________.

a hot spot

A type of communication network that uses tags with chips and an antennae to communicate with a reader in close vicinity is ___________.

radio frequency identification (RFID)

A type of communication network that transmits high frequency radio signals in a straight line from one ground based antenna to another.

a terrestrial microwave network

______________ signals cannot be transmitted through obstructions like buildings or mountains.

Microwave

A type of communication network used to connect devices in very close range -- generally less than 30 feet -- is _____________.

a Bluetooth network

A type of communication network which transmits high frequency radio signals in a straight line to a communication station which orbits above the Earth is _______________.

a satellite microwave network

A satellite that maintains a fixed location with respect to a location on Earth is called _______________.

geostationary

A satellite network in ___________ would require the fewest number of satellites to cover the same geographic area on Earth.

high Earth orbit

A single satellite in ___________ would reach the smallest geographic area on Earth.

low Earth orbit

A ____________ satellite makes an orbit directly above the Earth’s equator in the same amount of time that the Earth rotates.

geostationary