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Local Area Network Test Equipment and Tests
3C251 - Volume 3 - Section 3
18
Computer Networking
Professional
10/01/2010

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Cards

Term
What cable impairments can be detected by a TDR?
Definition
Kinks, opens, and corroded connectors
Term
What type of cable property changes can be detected by a TDR to identify problems
Definition
Impedance
Term
How is the OTDR used to measure signal loss?
Definition
It should not be used
Term
When using the cable scanner wire-map feature, what action is required to prevent false readings?
Definition
Connect an injector at the end of the cable being tested
Term
How does a cable scanner identify crossover and straight-through cables?
Definition
It provides wiring maps at both ends of the cable
Term
What test equipment provides a capability for digital network diagnostics and developing communications software?
Definition
A protocol analyzer
Term
What component of a protocol analyzer discards frames based on its definition or activates a trigger based on the trigger definition?
Definition
Filter
Term
What component of a protocol analyzer stores all frames based on the user configuration inputs?
Definition
Buffer
Term
What protocol analyzer test window reports errors that occur at the physical layer such as bad FCS, short frames, and jabbers?
Definition
MAC node statistics
Term
What protocol analyzer test window provides information concerning the bandwidth utilization and the number of connections that are related to specific nodes?
Definition
Connection statistics
Term
What is the first LAN impairment error that occurs when bits are missing in one or more octets in a frame?
Definition
Alignment
Term
What LAN impairment error occurs when network nodes in the same domain transmit at the same time?
Definition
Collision
Term
What LAN impairment error occurs when an IP data unit larger than 65,535 bytes is recieved?
Definition
Oversize packet
Term
What LAN impairment error occurs when an IP data unit is smaller than 28 bytes is received?
Definition
Undersize packet
Term
What LAN impairment error occurs when frames that are larger than the maximum size the network protocol requires are received?
Definition
Giant
Term
What is a good indication of how well any two nodes can access the transmission media and transmit and receive data along the link or path in a reliable manner?
Definition
Round-trip delay
Term
Jabbers manifest themselves on a LAN as
Definition
collisions
Term
When using the Trace Route utility, round-trip delay is displayed in
Definition
milliseconds
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