CH 4 ATM LANs

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Author:
bmajik
ID:
211709
Filename:
CH 4 ATM LANs
Updated:
2013-04-06 17:53:15
Tags:
MOD
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Description:
MOD 4
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  1. What does ATM stand for?

    Asynchronous Transfer Mode. 
    Alternate Transfer Mode.
    Asynchronous Transmission Mode.
    Alternate Telephone Mode.
    Asynchronous Technology Mode.
    Asynchronous Transfer Mode.
  2. What is meant by the fact that ATM is a connection-oriented protocol?
    A permanent connection is established before data is sent.

    Frames are sent regardless of destination address.

    Cells are broadcast to all nodes on the bus.

    Channels are connected using physical wiring.

    A virtual circuit is established before data is sent.
    A virtual circuit is established before data is sent
  3. What is the primary reason for the 5-byte header of an ATM cell?

    Handle error control.

    Identify ATM switch.

    Identify the virtual connections.  

    Request information from the applications.

    Contain the routing table of the ATM cells.
    Identify the virtual connections
  4. How do ATM network devices distinguish one cell from another when data is multiplexed among many different sources and destinations?

    They make routing decisions based on the destination MAC address.

    They use the cell header VC and VP identifiers to identify the path the cells will travel. 

    They dedicate the link bandwidth to a single connection for the duration of the conversation.

    They use the cell header IP address to identify the path the cells will travel across the network.

    They use routing tables that determine which cell to route to its destination.
    They use the cell header VC and VP identifiers to identify the path the cells will travel.
  5. What is a private NNI?

    The interface between switches in a private network. 

    The interface between switches in an RBOC network.

    The interface between a private user-network interface and an ATM switch.

    The interface between RBOC ATM devices.

    The interface between a private network and the public network.
    The interface between switches in a private network.
  6. ATM is an integral part of which of the following standards?

    ISDN.

    B-ISDN.

    Frame relay.

    NEC.

    802.3.
    B-ISDN.
  7. What is the purpose of an AAL SAR sublayer protocol used by ATM during transmission?

    Translating between Ethernet and Token Ring.

    Converting between cells and frames at the Data Link Layer.

    Changing the size of ATM cells.

    Segmenting of higher-layer protocol data for placement into the payload fields of cells. 

    Inserting headers bytes in front of data payload of a cell.
    Segmenting of higher-layer protocol data for placement into the payload fields of cells.
  8. At what layer of the OSI model does ATM fall?

    Session.

    Data Link.

    Transport.

    Application. 

    Transmission.
    Data Link.
  9. What is one reason LANE was created?

    ATM must interface with existing connectionless protocol.

    ATM must interface with existing connection-oriented protocol. 

    ATM must interface with Frame relay.

    ATM must interface with non-LAN services.

    ATM must have a connection-oriented circuits.
    ATM must interface with non-LAN services.
  10. In an ATM network, an emulated LAN is equivalent to

    A mesh network.

    A star network.

    A collision domain.

    A VLAN. 

    A broadcast domain.
    A VLAN.

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