NETWORK+ Terms U's Flashcards
1
Q
A communications protocol that provides connectionless, unreliable communication services and operates at the transport layer of the OSI model. It requires a network layer protocol such as IP to guide it to the destination host.
A
UDP (User Datagram Protocol)
2
Q
Any medium that does not have physical constraints. Examples of unbound media are infrared, wireless, and microwave. Compare with bound medium.
A
unbound medium (or boundless medium)
3
Q
An industry-naming standard for computers and resources that provides a common syntax that should work in most systems, including Windows, UNIX, and NetWare. An example of a UNC name is \\servername\sharename.
A
UNC (Universal Naming Convention)
4
Q
Communication that takes
place over a network between a single
sender and a single receiver.
A
unicast
5
Q
A system that provides protection against power surges and power outages. During blackouts, a UPS gives you time to shut down systems or devices on the network before the temporary power interruption becomes permanent. A UPS is also called battery backup.
A
UPS (uninterruptible power supply)
6
Q
How long a device has
been on and operating
A
uptime
7
Q
A name used to identify a website and subsequently a page on the Internet. An example of a URL is www.quepublishing.com/products.
A
URL (uniform resource locator)
8
Q
A type of interface between a computer system and peripheral devices. The USB interface enables you to add or remove devices without shutting down the computer. USB supports up to 127 devices. USB also supports autodetection and plug and play
A
USB (universal serial bus)
9
Q
A type of cable that uses multiple twisted pairs of copper wire in a casing that does not provide much protection from EMI. The most common network cable in Ethernet networks, UTP is rated in categories including Category 1 through Category 6, as well as Category 5e and Category 6a.
A
UTP (unshielded twisted pair)
