Review Questions
101
12.
What are the two primary operating modes for frame switching?
(Choose two.)
A.
Full duplex
B.
Half duplex
C.
Cut-through
D.
FragmentFree
E.
Store-and-forward
13.
What does a switch do when a frame is received on an interface and
the destination hardware address is unknown or not in the filter table?
A.
Forwards the switch to the first available link
B.
Drops the frame
C.
Floods the network with the frame looking for the device
D.
Sends back a message to the originating station asking for a name
resolution
14.
Which LAN switch type waits for the collision window to pass before
looking up the destination hardware address in the MAC filter table
and forwarding the frame?
A.
Cut-through
B.
Store-and-forward
C.
FragmentCheck
D.
FragmentFree
15.
What statement about switching methods are true?
A.
Store-and-forward has the lowest latency.
B.
Cut-through latency time varies by packet size.
C.
The modified version holds the packet in memory until 50% of the
packet reaches the switch.
D.
The modified version holds the packet in memory until the data
portion of the packet reaches the switch.
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