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Network + > Remote Connectivity > Flashcards

Remote Connectivity Flashcards

1
Q

CSU/DSU

A

Channel Service Unit/Digital Service Unit; were at the end of each termination of a T1 line.

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2
Q

DS0

A

64Kbps

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3
Q

DS1

A

1.544Mpbs

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4
Q

TDM

A

Time Division Multiplexing; The process of having frames that carry a portion of every channel in every frame sent on a regular interval

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5
Q

T3

A

Supports data rate of about 45Mbps. Consists of 672 Individual DS0 channels.

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6
Q

SONET

A

Synchronous Optical Network

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7
Q

WDM

A

Wavelength Division Multiplexing

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8
Q

DWDM

A

Dense wavelength Division Multiplexing

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9
Q

CWDM

A

Coarse Wavelength Division Multiplexing

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10
Q

Frame Relay

A

extremely efficient packet switching standard designed for an used primarily with T carrier lines.

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11
Q

MPLS

A

Multiprotocol Label Switching; adds an MPLS label that sits between the layer 2 header and layer 3 information.

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12
Q

V Standards

A

v. 22
v. 22bis
v. 32
v. 32bis
v. 34
v. 90
v. 92

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13
Q

SDSL

A

Symmetric DSL; provides equal upload and download pseeds and can provide up to 15Mbps.

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14
Q

ADSL

A

Asymmetric DSL; uses different upload and download speeds offering up to 15Mbps download and 1 Mbps upload.

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15
Q

PPPoE

A

Point to Point Protocol over Ethernet that used authentication to make the connection over DSL

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16
Q

DOCSIS

A

Data over Cable service interface specification; protocol for Broadband Cable.

17
Q

RTP

A

Real Time Transport Protocol; defines the type of packets used ont he internet to move voice or data from a server to clients.

18
Q

SIP and H.323

A

Session Initiation Protocol and H.323 handle the initiation, setup, and delivery of VoIP session. Both run on top of RTP. SIP uses ports 5060 and 5061. H.323 users port 1720.

19
Q

RSTP

A

Real time streaming protocol; runs on RTP. Runs on TCP port 554

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