NETWORK+ Terms N's

Question 1

A
cloud computing model offered by
many telecom providers provided on
demand in a pay-as-you-go model.

Answer 1

NaaSC (Network as a Service)

Question 2

A
computer networking security solution
that uses a set of network protocols
with the goal to unify endpoint
security solutions such as
antivirus, vulnerability assessment,
and authentication.

Answer 2

NAC (Network Access Control)

Question 3

A server that contains
a database of name resolution
information used to resolve network
names to network addresses.

Answer 3

name server

Question 4

A standard that enables the translation
of IP addresses used on one
network to a different IP address
that is acceptable for use on another
network. This translation enables
multiple systems to access an external
network, such as the Internet,
through a single IP address.

Answer 4

NAT (Network Address Translation)

Question 5

A specialized file level computer

storage device connected to a network.

Answer 5

NAS (Network attached Storage)

Question 6

A Windows operating system
command-line utility that displays
protocol statistics and current
TCP/IP connections using
NetBIOS over TCP/IP (NBT).

Answer 6

nbtstat

Question 7

A nonroutable,
Microsoft-proprietary networking
protocol designed for use in small
networks.

Answer 7

NetBEUI (NetBIOS Extended User

Interface)

Question 8

A software
application that enables different
applications to communicate
between computers on a LAN.

Answer 8

NetBIOS (Network Basic

Input/Output System)

Question 9

A Windows operating system
command-line utility that displays
protocol statistics and current
TCP/IP network connections.

Answer 9

netstat

Question 10

The part of a TCP/IP
address that specifies the network
portion of the IP address. The network
ID is determined by the class
of the address, which in turn is
determined by the subnet mask
used.

Answer 10

network ID

Question 11

The bottom
layer of the TCP/IP architectural
model, which is responsible for
sending and receiving frames.

Answer 11

network interface layer

Question 12

Layer 3 of the OSI
model, which is where routing based
on node addresses (IP addresses)
occurs.

Answer 12

network layer

Question 13

An
operating system that runs on the
servers on a network. Network
operating systems include Windows
Server 2008, UNIX, and Linux.

Answer 13

network operating system

Question 14

A discussion group
that focuses on a specific topic and
is made up of a collection of messages
posted to an Internet site.
Newsgroups are useful resources for
support personnel.

Answer 14

newsgroup

Question 15

A file
sharing and access protocol most
commonly associated with UNIX
and Linux systems.

Answer 15

NFS (Network File System)

Question 16

A
hardware component that serves as
the interface, or connecting component,
between a network and the
node. It has a transceiver, a MAC
address, and a physical connector
for the network cable. Also called a
network adapter or network card.

Answer 16

NIC (network interface card)

Question 17

A network security system
that monitors, blocks, and
reports malicious network activity

Answer 17

NIPS (Network Intrusion Prevention

System)

Question 18

An application that acts as
a central management point for network
management. Most NMS systems
use SNMP to communicate
with network devices. See also
SNMP.

Answer 18

NMS (Network Management

System)

Question 19

An Internet protocol
that controls how news articles are
to be queried, distributed, and posted.
NNTP uses port 119.

Answer 19

NNTP (Network News Transfer

Protocol)

Question 20

Another name for EMI. See

also EMI.

Answer 20

noise

Question 21

Windows and
Linux/UNIX command-line utility
used to query Domain Name
System (DNS) servers and clients to
obtain DNS information.

Answer 21

nslookup

Question 22

A
protocol used to communicate time
synchronization information
between devices on the network.
NTP is part of the TCP/IP suite.
NTP uses port 123.

Answer 22

NTP (Network Time Protocol)