Cse Chapter 5 Vocab

Front 1

an encryption standard that uses three separate key sizes and is based on the rijndael encryption algorithm

Back 1

advanced encryption standard (AES)

Front 2

a computer on a network that is dedicated to running applications and delivering applications to client computers

Back 2

application server

Front 3

the data transmission capacity of a communications channel. data signals are measured in bits per second; analog signals in hertz.

Back 3

bandwidth

Front 4

a wireless technology used in conjunction with standard Ethernet networks that allows data transfer rates between 200 and 700 Kbps up to a maximum range of 35 feet.

Back 4

bluetooth

Front 5

a device that connects two similar networks by simply transferring data without regard to the network format.

Back 5

bridge

Front 6

A term used to refer to communications channel that have high bandwidth

Back 6

Broadband

Front 7

A network arranged on a common backbone that connect all the Network Devices. If the backbone fails, the network becomes unusable

Back 7

Bus topology

Front 8

An encrypted message

Back 8

ciphertext

Front 9

The method used by the telephone network to temporarily connect one telephone with another for the duration of a call

Back 9

circuit switching

Front 10

A network where processing is split between workstations and the server

Back 10

Client / server mode

Front 11

Any pathway between the sender and receiver, channel may refer to a physical medium or frequency

Back 11

Communications channel

Front 12

A set of rules that ensures the orderly and accurate transmission and reception of data

Back 12

Communications protocol

Front 13

A specific procedure for encrypting and decrypting data

Back 13

Cryptographic algorithm

Front 14

The specific word, number, or phrase that must be used to encrypt or decrypt data

Back 14

Cryptographic key

Front 15

A method of responding to an attempt by two devices to use a data channel simultaneously

Back 15

CSMA/CD

Front 16

the process of converting ciphertext into plain text

Back 16

decryption

Front 17

A set of rules that allow network client computers to find and use the Internet address that corresponds to a domain name

Back 17

DHCP

Front 18

The process of assigning a drive letter to a storage device located on a different network WorkStation

Back 18

Drive mapping

Front 19

The process of scrambling or hiding information so that it cannot be understood without the key necessary to change it back into its original form

Back 19

Encryption

Front 20

A popular Network Technology in which network nodes are connected by coaxial cable or twisted pair wire

Back 20

Ethernet

Front 21

A type of network interface card designed to support Ethernet protocols

Back 21

Ethernet adapter

Front 22

A Network Computer that is dedicated to storing and distributing file to network clients

Back 22

Fileserver

Front 23

A network device that connects two dissimilar networks even if the networks use different protocols

Back 23

Gateway

Front 24

The process where a protocol helps two Network Devices communicate

Back 24

Handshaking

Front 25

A feature of windows 7 that quickly creates a peer to peer network for sharing files and printers

Back 25

homegroup

Front 26

a network technology that uses a building's existing phone lines to connect nodes

Back 26

homePNA

Front 27

a transmission technology that uses a frequency range just below the visible light spectrum to transport data

Back 27

infrared light

Front 28

unique identifying numbers assigned to each computer connected to the Internet

Back 28

IP address

Front 29

an interconnected group of computers and peripherals located within a relatively limited area, such as a building or campus

Back 29

LAN

Front 30

unauthorized access to a wireless network

Back 30

LAN jacking , also called war driving

Front 31

a unique identifier similar to a serial number assigned to networking equipment at time of manufacture

Back 31

MAC address

Front 32

a public high-speed network that can transmit voice and data within a range of 50 miles

Back 32

MAN

Front 33

electromagnetic waves with a frequency of at least 1 gigahertz; one type of channel for transmitting data over communications networks

Back 33

microwaves

Front 34

a small, wireless router that connects to a cellular data network, creating a mobile wifi hotspot

Back 34

mifi

Front 35

a wireless communications device that uses an array of antennas to transmit data over more than one channel

Back 35

MIMO

Front 36

a term that refers to communications channels that have low bandwidth

Back 36

narrowband

Front 37

storage devices that are designed to be attached directly to a network, rather than to a workstation or server

Back 37

NAS (network attached storage)

Front 38

any device, such as a gateway, hub, or router that is used to broadcast network data, boost signals, or route data to its destination

Back 38

network device (appliance)

Front 39

a network device that connects several nodes of local area network

Back 39

network hub

Front 40

circuitry, often on an expansion card mounted inside a computer, that transmits and receives data on a local area network

Back 40

network interface card (NIC, network card, network adapter)

Front 41

a device found at each intersection on the Internet backbone that examines the IP address of incoming data, and forwards the data toward its destination

Back 41

network router

Front 42

a network device that sends data to a specific address instead of broadcasting it over an entire network

Back 42

network switch

Front 43

a peripheral device that contains circuitry that allows it to be directly connected to a network, rather than connecting to a computer that transfers data to a network

Back 43

networked peripheral

Front 44

a connection point in a network

Back 44

node

Front 45

one of four sections of an IP address

Back 45

octet

Front 46

a small unit of data transmitted over a network

Back 46

packet

Front 47

a technology used by data communications networks, such as the Internet, where a message is divided into smaller units called "packets" for transmission

Back 47

packet switching

Front 48

an interconnected group of personal digital devices located within a range of about 30 ft

Back 48

PAN

Front 49

a method of using a network in which workstations act as both file servers and clients

Back 49

peer-to-peer mode

Front 50

the actual layout of network devices, wires, and cables

Back 50

physical topology

Front 51

a network formed by bluetooth devices

Back 51

piconet

Front 52

an original, unencrypted message

Back 52

plaintext , also called cleartext

Front 53

a network that uses a building's existing powerline cables to connect nodes; also called homeplug, hplc, or homeplc

Back 53

powerline network

Front 54

a device that controls a cluster of printers by distributing jobs that arrive in its print queue--a list of documents that require printing

Back 54

print server

Front 55

a variation of WPA encryption protocol for wireless networks in which the encryption key used by the router is the same for all client computers that connect to the network

Back 55

PSK (pre shared key)

Front 56

an encryption method that uses a pair of keys, a public key that encrypts the message, and a private key that decrypts it

Back 56

public key encryption (PKE)

Front 57

data that is broadcast and received via radio waves with a transceiver

Back 57

RF signals (radio frequency signals)

Front 58

a network in which all devices are connected in a circle with each device having exactly two neighbors

Back 58

ring topology

Front 59

a square plastic cable connector that resembles an oversized telephone connector, and is used to connect Ethernet device

Back 59

RJ45 connected

Front 60

on a network, resources such as hardware, software, and data, made available for authorized users to share

Back 60

shared resources

Front 61

a code that identifies a wireless network and is attached to every packet that travels on that network

Back 61

SSID

Front 62

a network configured with a central connection point or hub for all workstations and peripherals

Back 62

star topology

Front 63

encryption that is difficult to decrypt or "break" without the encryption key

Back 63

strong encryption

Front 64

an encryption key that is used for both encryption and decryption of messages

Back 64

symmetric key encryption

Front 65

an encryption key that is used for both encryption and decryption of messages

Back 65

symmetric key encryption

Front 66

a combination of a transmitter and a receiver used to send and receive data in the form of radio frequencies

Back 66

transceiver

Front 67

multiple star networks connected into a bus configuration by a backbone

Back 67

tree topology

Front 68

an interconnected group of computers and peripherals that covers a large geographical area, such as multiple branches of a cooperation

Back 68

WAN

Front 69

encryption that is relatively easy or simple to decrypt without the encryption key

Back 69

weak encryption

Front 70

an encryption algorithm used to protect data on wifi networks

Back 70

WEP

Front 71

an ethernet compatible wireless network that uses a 802.11a, b, g, n, and y standards

Back 71

wifi

Front 72

a type of network interface card that includes a transmitter and a receiver using wifi protocols

Back 72

wifi adapter, wifi card or wireless network controller

Front 73

a network that uses cables or wires to transmit data from one network device to another

Back 73

wired network

Front 74

a network device that connects several devices of a local area network by broadcasting signals to any device with compatible wifi cards

Back 74

wireless access point

Front 75

a wireless network in which devices broadcast directly to each other instead of to a central access point

Back 75

wireless ad-hoc network

Front 76

a security measure for wireless networks that scrambles data transmitted between network devices

Back 76

wireless encryption

Front 77

a wireless network in which devices communicate through a central access point

Back 77

wireless infrastructure network

Front 78

a network that uses radio or infrared signals to transmit data from one network device to another

Back 78

wireless network

Front 79

the encryption key used to encrypt and decrypt data that travels over a wireless network protected by WEP, WPA or WPA2

Back 79

wireless network key

Front 80

a network device that contains circuitry for a wireless access point and routing data to the Internet

Back 80

wireless router

Front 81

a method for encrypting data transmitted over wireless networks

Back 81

WPA