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Flashcards in NETWORK+ Terms U's Deck (9)
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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)