Exam 3: Networks

The bandwidth of a channel that carries digital data is usually measured in ___________.

__________ LANs are usually arranged in a star topology with computers wired to central switching circuitry that is incorporated in modern routers.

Wi-Fi signals may reach up to 300 feet from the router.

UDP (User Datagram Protocol) is faster than TCP (Transmission Control Protocol) but does not perform error checking.

Network _________ enables a computer to see other devices on a network and determines whether that computer can be seen by others.

On a network, _______ is the elapsed time for data to make a round-trip from point A to point B and back to point A.

Dropbox is an example of a file hosting service.

Any device in a network is called a(n) __________.

Which of the following is an advantage of wired connections?

Which DCE would you use if you wanted to extend a wired network by adding more ports?

_____________ is a network diagnostic tool that shows you each router and server that your data encounters as it travels over the Internet.

A(n) ________ is the broadcasted name of a wireless network.

Wireless connections use unlicensed frequencies that are available for public use, including 2.4 GHz and _____ GHz, which is subject to less interference from other devices, but it has a more limited range.

When a router connects to and communicates over the Internet, it has a(n) ________ IP address that is routable over the Internet.

Networks use more than one protocol, and the collection of protocols for a network is referred to as a protocol ________.

Communication channels that carry data at speeds slower than 25 Mbps are classified as _______________.

A communication port is a physical circuit through which data flows.

Two devices on a network negotiate their communication protocols through a process called ___________.

Wireless _______ scrambles the data transmitted between wireless devices.

_______ involves the use of high-capacity fiber-optic cables to connect homes to broader municipal networks.