Intro To Networking Ch 7

Front 1

1000BaseT

Back 1

1000 Mbps Ethernet (1 Gbps) over twisted-pair cabling; defined by IEEE Standard 802.3ab.

Front 2

100BaseFX

Back 2

100 Mbps Ethernet over two-strand fiber-optic cable.

Front 3

100BaseT4

Back 3

100 Mbps Ethernet over four-pair Category 3 or higher UTP.

Front 4

100BaseTX

Back 4

100 Mbps Ethernet over two-pair Category 5 or higher UTP.

Front 5

10BaseF

Back 5

The 10 Mbps Ethernet standard that defines Ethernet over fiber-optic cable.

Front 6

active monitor

Back 6

A computer in a token ring network responsible for guaranteeing the network’s status.

Front 7

Asynchronous Transfer Mode (ATM)

Back 7

A high-speed network technology designed for both LAN and WAN use. ATM uses connection-oriented switches to allow senders and receivers to communicate over a network.

Front 8

beaconing

Back 8

The signal transmitted on a token ring network to inform networked computers that token passing has stopped because of an error.

Front 9

Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA)

Back 9

A contention-based channel access method in which computers avoid collisions by broadcasting their intent to send data.

Front 10

Carrier Sense Multiple Access with Collision Detection (CSMA/CD)

Back 10

A contention-based channel access method in which computers avoid collisions by listening to the network before sending data. If a computer senses data on the network, it waits and tries to send its data later.

Front 11

channel access methods

Back 11

Rules that determine when a computer can access the cable or data channel for the purposes of sending data.

Front 12

collision domain

Back 12

The extent to which signals are propagated on an Ethernet network.

Front 13

collision

Back 13

The result of two or more devices sending a signal along the same channel at the same time.

Front 14

concentrators

Back 14

Devices used in an FDDI network to connect computers at a central point. Most concentrators connect to both available rings.

Front 15

contention

Back 15

A channel access method in which computers vie for time on the network.

Front 16

Data Over Cable Service Interface Specification (DOCSIS)

Back 16

The official standard governing cable modem operation.

Front 17

dedicated circuit

Back 17

An ongoing (but possibly transient) link between two end systems.

Front 18

demand priority

Back 18

A high-speed channel access method used by 100VG-AnyLAN in a star hub topology.

Front 19

demand signal

Back 19

A signal sent by a computer in a demand priority network that informs the controlling hub it has data to send.

Front 20

digital subscriber line (DSL)

Back 20

A broadband-based technology that delivers Internet data over existing phone lines.

Front 21

dual attachment station (DAS)

Back 21

A type of NIC connected to both rings in an FDDI network.

Front 22

Ethernet 802.2

Back 22

An Ethernet frame type used by IPX/SPX on Novell NetWare 3.12 and 4.x networks.

Front 23

Ethernet 802.3

Back 23

An Ethernet frame type generally used by IPX/SPX on Novell NetWare 2.x and 3.x networks; also called Ethernet raw.

Front 24

Ethernet II

Back 24

An Ethernet frame type used by TCP/IP.

Front 25

Ethernet SubNetwork Address Protocol (SNAP)

Back 25

An Ethernet frame type used in Apple’s EtherTalk environment.

Front 26

Ethernet

Back 26

A network architecture developed by Digital, Intel, and Xerox that uses CSMA/CD as its channel access method.

Front 27

EtherTalk

Back 27

The standard for sending AppleTalk over Ethernet cabling.

Front 28

fast Ethernet

Back 28

The 100 Mbps implementation of standard Ethernet, also called 100BaseT.

Front 29

Fiber Distributed Data Interface (FDDI)

Back 29

A networking architecture that uses a token-passing channel access method and is defined to run at 100 Mbps over fiber-optic cable.

Front 30

frame types

Back 30

A standard that defines the structure of an Ethernet packet: Ethernet 802.3, Ethernet 802.2, Ethernet SNAP, or Ethernet II.

Front 31

full-duplex communication

Back 31

In this type of communication, a computer can send and receive data simultaneously.

Front 32

Gigabit Ethernet

Back 32

An IEEE standard (802.3z) that allows for 1000 Mbps transmission using CSMA/CD and Ethernet frames.

Front 33

half-duplex communication

Back 33

In this type of communication, a computer can send data and receive data, but can’t send and receive simultaneously.

Front 34

High Performance Parallel Interface (HIPPI)

Back 34

A high-speed parallel communication interface originally developed to serve supercomputers and high-end workstations.

Front 35

LocalTalk

Back 35

The cabling system used by Macintosh computers. Support for LocalTalk is built into every Macintosh.

Front 36

multistation access unit (MSAU)

Back 36

An active hub in a token ring network.

Front 37

Nearest Active Downstream Neighbor (NADN)

Back 37

The computer in a token ring environment to which another computer sends the token.

Front 38

Nearest Active Upstream Neighbor (NAUN)

Back 38

The computer in a token ring environment from which a computer receives the token.

Front 39

polling

Back 39

A channel access method in which a primary device asks secondary devices in sequence whether they have data to send.

Front 40

primary ring

Back 40

The FDDI ring around which data is transmitted.

Front 41

protocol type field

Back 41

A field used in the Ethernet SNAP and Ethernet II frames to indicate the network protocol being used.

Front 42

secondary ring

Back 42

An FDDI ring used for the sole purpose of handling traffic in the event of a cable failure.

Front 43

single attachment station (SAS)

Back 43

A type of NIC that’s connected only to the primary ring in an FDDI network.

Front 44

smart multistation access unit (SMAU)

Back 44

An active hub in a token ring network.

Front 45

standby monitors

Back 45

Computers in a token ring network that monitor the network status and wait for a signal from the active monitor. See also active monitor.

Front 46

start frame delimiter (SFD)

Back 46

A field in the Ethernet 802.3 frame that defines the beginning of the packet.

Front 47

switching

Back 47

A media access method whereby all devices connect to a network switch, and the switch controls access to the medium. With switching, each device connected to the switch has access to the full media bandwidth.

Front 48

Synchronous Optical Network (SONET)

Back 48

A high-speed, baseband digital networking standard that specifies incrementally increasing data rates across fiber-optic links.

Front 49

token ring

Back 49

A network architecture developed by IBM that’s physically wired as a star but uses token passing in a logical ring topology.

Front 50

TokenTalk

Back 50

The standard for sending AppleTalk over token ring cabling.