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37 Cards in this Set

  • Front
  • Back
At what layers do gateways function at?
the Transport layer and above
What layer provides network access for applications?
the Application layer
What layer provides flow control?
the Application layer
What layer establishes the availability of other computers on the network?
the Application layer
What layer determines if sufficient resources exist for communication to occur between two computers?
the Application layer
What layer does SMTP function at?
the Application layer
What layer does FTP function at?
the Application layer
What layer does SNMP function at?
the Application layer
What layer does Telnet function at?
the Application layer
what layer does Appletalk function at?
the Application layer
What layer performs protocol conversion?
the Presentation layer
What layer performs encryption?
the Presentation layer
What layer performs compression?
the Presentation layer
What layer synchronizes computers involved in a communication?
the Session layer
What layer handles connection establishment, data transfer, and connection release?
the Session layer
What layer does NetBIOS function at?
the Session layer
What layer repackages messages into smaller formats?
the Transport layer
What layer provides error-free delivery and error handling functions?
the Transport layer
What layers does NetBEUI function at?
the Transport and Network layers
What layer does TCP function at?
the Transport layer
What layer does SPX function at?
the Transport layer
What layers does NWLink function at?
the Transport and Network layers
What layer handles logical addressing?
the Network layer
What layer handles routing?
the Network layer
What layer handles traffic management?
the Network layer
What layer does IP function at?
the Network layer
What layer does IPX function at?
the Network layer
What devices function at the Network layer?
rounters and brouters
What layer packages raw bits into frames?
the Data Link layer
What is the purpose of packaging raw bits into frames?
they are transmittable across a network
What layer includes a Cyclical Redundancy Check (CRC)?
the Data Link layer
What are the two sublayers of the Data Link layer?
the Logical Link Control (LLC) and the MAC sublayers
What does the LLC sublayer use to create links for the MAC sublayer?
Destination Service Access Points and Source Service Access Points
What devices function at the Data Link layer?
switches, bridges, and brouters
What devices function at the Physical layer?
multiplexers and repeaters
How many bits are in a MAC address?
48 bits
What protocol is used to map MAC addresses to IP addresses?
ARP