Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key


Play button


Play button




Click to flip

20 Cards in this Set

  • Front
  • Back
The characteristic of a transmission technology that affords greater bandwidth in one direction than in the other direction
a transmission method in which data being transmitted and received by nodes does not have to conform to any timing scheme.
a variety of ISDN that uses two 64 kbps bearer channels and one 16 kbps data channel, as summarized by the notation 2B+D.
Basic Rate Interface (BRI)-
The guaranteed minimum amount of bandwidth selected when leasing a Frame Relay circuit
Committed Information Rate (CIR)
A combination of CSU and a DSU that serves as the connection point for a T1 line at the customers site.
Channel service Unit Data Service Unit (CSU/DSU)-
a type of connection in which a user connects to a distant network from a computer and stays connected for a finite period of time.
Dial up
A dedicated WAN technology that uses advanced data modulation techniques at the Physical layer to achieve extraordinary throughput over regular phone lines.
Digital Subscriber Line (DSL)
An arrangement that allows a customer to lease only some of the channels on a T1 line.
Fractional T1
A digital, packet switched WAN technology whose protocols operate at the DATA Link Layer.
Frame Relay
An area covered by wireless access point that provides visitors with wireless services, including internet access.
Hot spot
An international standard that uses PSTN lines to carry digital signals.
Integrated Services Digital Network (ISDN)-
A protocol that encapsulates PPP data, for use on VPN’s.
Layer 2 Tunneling Protocol (L2TP)
A communications protocol that enables a workstation to connect to a server using a serial connection.
Point to Point Protocol (PPP)-
A type of ISDN that uses 23 bearer channels and one 64 kbps data channel, represented by the notation 23B+D.
Primary Rate Interface (PRI
The traditional telephone network, from the lines that connect homes and businesses to the network centers that connect different regions of a country.
Public Switched Telephone Network (PSTN)-
A method for connecting and logging onto a LAN from a workstation that is remote, or not physically connected, to the LAN
Remote Access
A high bandwidth WAN signaling technique that specifies framing and multiplexing techniques at the Physical layer of the OSI model.
Synchronous Optical Network (SONET)-
A remote access method in which a terminal server acts as a host for multiple remote clients.
Terminal Services
the process of encapsulation one type of protocol in another
A logically constructed WAN that uses existing public transmission systems.
Virtual Private Network (VPN)-