Network And Security

Front 1

CSMA/CD

Back 1

Carrier sense multiple access with Collision detection, the ethernet Lan media access method

Front 2

Frame

Back 2

A format that provides a grouping of information for transmission

Front 3

OUI, organizationally unique identifier

Back 3

The first three bytes of the MAC address that identifies the manufacturer of the network Hardware

Front 4

IANA

Back 4

Internet assigned numbers Authority, the agency that assigns IP addresses to computer network

Front 5

SPI, stateful packet inspection

Back 5

a type of firewall that inspects incoming data packets to make sure they correspond to an outgoing request

Front 6

NAT , Network address translation

Back 6

A technique that involves translating a private IP address to a public address for routing over the internet

Front 7

ICMP

Back 7

Internet control message protocol, which verifies that messages are being delivered

Front 8

EIA

Back 8

Electronic Industries Alliance

Front 9

TIA

Back 9

Telecommunications industry Association

Front 10

EIA/TIA 568-B

Back 10

The standard that defines the 6 subsystems of a structured cabling system

Front 11

TCO

Back 11

Telecommunications Outlet

Front 12

Refractive index

Back 12

The ratio of the speed of light in free space to its speed in a given material

Front 13

Numerical aperture

Back 13

A measure of a fibers ability to accept light

Front 14

Pulse dispersion

Back 14

Stretching of received pulse-width because of multiple paths taken by the Light

Front 15

Graded index fiber

Back 15

Fiber in which the index of refraction is gradually varied with a parabolic profile

Front 16

Mode field diameter

Back 16

The actual guided Optical power distribution, which is typically a micron or so larger then the core diameter. Single mode fiber specifications typically list the mode field diameter.

Front 17

Basic service set, BSS

Back 17

Term used to describe an independent Network

Front 18

Ad hoc

Back 18

Another Term used to describe an independent Network

Front 19

Extended service set, ESS

Back 19

A network with multiple access points to extend user Mobility

Front 20

DSSS

Back 20

Direct sequence spread Spectrum

Front 21

ISM BAND

Back 21

Industrial, scientific, and medical band

Front 22

FHSS

Back 22

Frequency hopping Spread Spectrum

Front 23

Pseudo-random

Back 23

A number sequence that appears random but actually repeats

Front 24

Hopping sequence

Back 24

The order of frequency changes

Front 25

Ofdm

Back 25

Orthogonal frequency-division multiplexing

Front 26

U-NII

Back 26

Unlicensed National information infrastructure

Front 27

Beamforming

Back 27

A technique used to direct transmission of the radio signal to a specific device

Front 28

Paging procedure

Back 28

A process used to establish and synchronize a connection between two Bluetooth devices

Front 29

Slotted aloha

Back 29

A wireless network communications protocol similar to the ethernet protocol

Front 30

NCP

Back 30

Network control protocol

Front 31

Arpanet

Back 31

Advanced research projects agency Network

Front 32

Well known ports

Back 32

Ports reserved by ICANN

0-1023

Front 33

ICANN

Back 33

Internet Corporation for assigned names and numbers

Front 34

Transport layer protocols

Back 34

Protocols that Define the type of connection established between hosts and how acknowledgements are sent

Front 35

Internet layer

Back 35

The layer of the TCP IP model that defines the protocols used for addressing and routing data packets

Front 36

ARP

Back 36

Address resolution protocol which is used to map an IP address to a MAC address

Front 37

RIRs

Back 37

Regional internet registries, IANA designated governing organizations responsible for IP address allocation by geographic location

Front 38

ARIN

Back 38

American registry for internet numbers

Front 39

Classful

Back 39

Indicates that IP and subnet addresses are within the same network

Front 40

Supernetting

Back 40

A technique that allows multiple networks to be specified by one subnet mask

Front 41

CIDR

Back 41

Classless interdomain routing

Front 42

Prefix length notation

Back 42

A shorthand technique for writing the subnet mask in which class boundaries are not crossed

Front 43

Cidr block

Back 43

The grouping of two or more class networks together, also called supernetting

Front 44

Full IPv6 address

Back 44

An address in which all 32 hexadecimal positions contain a value other than zero

Front 45

Unicast address

Back 45

An address that is used to identify a single network interface address, with data package sent directly to the computer with the specified IPv6 address

Front 46

VLAN

Back 46

A group of host computers and servers that are configured as if they are in the same Lan even if they reside across routers in separate LANs

Front 47

Tag based VLAN

Back 47

A VLAN in which the VLAN ID is based on 802. 1q

Front 48

Management information base, MIB

Back 48

A collection of standard objects that are used to obtain configuration parameters and performance data on a networking device

Front 49

NTP

Back 49

Network time protocol

Front 50

RAS

Back 50

Remote access server

Front 51

What record specifies the email handling server on the domain?

Back 51

MX record

Front 52

Hssi

Back 52

High speed serial interface

Front 53

OC

Back 53

Optical carrier

Front 54

CSU/DSU

Back 54

Channel Service Unit, data service unit

Front 55

Hdlc

Back 55

High level data link control

Front 56

PPP

Back 56

Point-to-point protocol

Front 57

Asymmetric operation

Back 57

Mode of operation in which the data transfer rates to and from the service provider differ

Front 58

RAS

Back 58

Remote access server

Front 59

BOOTP

Back 59

Bootstrap protocol

Front 60

Unicast

Back 60

A transmission in which a packet has a fixed destination

Front 61

MT Discover

Back 61

Message type discover, a DHCP discover packet

Front 62

NOC

Back 62

Network operations center

Front 63

Forward DNS, forward Zone

Back 63

Translation of a name to an IP address

Front 64

TLD

Back 64

Top level domain

Front 65

Root servers

Back 65

A group of servers that exist using well-known IP addresses that have been programmed into DNS servers

Front 66

IANA

Back 66

Internet assigned numbers Authority

Front 67

ICANN

Back 67

Internet Corporation for assigned names and numbers

Front 68

Domain registrar

Back 68

An organization that is authorized to register Internet domain names

Front 69

PTR record, pointer record

Back 69

The reverse of an A record

Front 70

Cname record, canonical name record

Back 70

An alias of a hostname

Front 71

SPF

Back 71

Sender policy framework

Front 72

DKIM

Back 72

Domain Keys identified mail

Front 73

Directed broadcast

Back 73

A broadcast that is sent to a specific subnet

Front 74

Naqc

Back 74

Network access quarantine control

Front 75

Access-list permit IP Any any

Back 75

The instruction added to the last line of an access list to allow all other data packets to enter and exit the router

Front 76

GRE

Back 76

Generic routing encapsulation

Front 77

Md5

Back 77

Message digest 5

Front 78

L2f

Back 78

Layer 2 forwarding

Front 79

L2tp

Back 79

Layer 2 tunneling protocol

Front 80

ESP

Back 80

Encapsulating security protocol

Front 81

SHA-1

Back 81

Secure hash algorithm

Front 82

ISAKMP

Back 82

Internet Security Association and Key Management protocol

Front 83

CCMP

Back 83

Counter mode with Cipher block chaining message authentication code protocol