NETWORK+ Terms H's Flashcards
1
Q
A person who carries out
attacks on a computer software program.
See also cracker.
A
hacker
2
Q
A connection in which
data is transmitted in both directions
but not simultaneously.
Compare with full duplex.
A
half duplex
3
Q
The initial communication between two data communication devices, during which they agree on protocol and transfer rules for the session.
A
handshake
4
Q
The hardwareencoded
MAC address burned into
every NIC.
A
hardware address
5
Q
A device plugged into an interface for the purposes of simulating a network connection. This enables the interface to be tested as if it is operating while connected.
A
hardware loopback
6
Q
An ISO developed bitoriented
synchronous data link layer
protocol used for point-to-point or
point-to-multipoint connections.
A
HDLC (High-Level Data Link
Control)
7
Q
The means by which routing protocols determine the shortest way to reach a given destination. Each router constitutes one hop. If a router is four hops away from another router, for example, three routers, or hops, exist between the first router and the destination. In some cases, the final step is also counted as a hop.
A
hop
8
Q
Ties the telecommunication room to the end user. Specifically, the horizontal cabling extends from the telecommunications outlet, or network outlet with RJ-45 connectors, at the client end. It includes all cable from that outlet to the telecommunication room to the horizontal crossconnect. The term horizontal crossconnect refers to the distribution point for the horizontal cable.
A
horizontal cross-connect
9
Q
Typically refers to any device
on the network that has been
assigned an IP address.
A
host
10
Q
A firewall system installed and configured on and used for an individual host. Contrast to a network firewall that provides firewall services for all network nodes.
A
host firewall
11
Q
An identifier used to
uniquely identify a client or
resource on a network.
A
host ID
12
Q
A name assigned to a system for the purposes of identifying it on the network in a more user-friendly manner than by the network address.
A
hostname
13
Q
A text file that contains hostname-to-IP address mappings. All commonly used platforms accommodate static name resolution using the HOSTS file.
A
HOSTS file
14
Q
A disaster recovery term used to describe an alternative network site that can be immediately functional in the event of a disaster at the primary site.
A
hot site
15
Q
In a RAID configuration, a drive that sits idle until another drive in the RAID array fails, at which point the hot spare takes over the role of the failed drive.
A
hot spare
