|
Jeff Rodgers Module 8 Q/A Which of the
following would alleviate the problem of excessive collisions in a LAN?
(Choose two.) |
|
|
|
reduce the
size of collision domains |
|
|
reduce number
of broadcast domains |
|
|
add extra hubs |
|
|
add extra
managed switches |
|
|
add additional
transceivers |
|
|
increase the
length of UTP cable runs |
|
What impact
does a bridge have on a network? (Choose two.) |
|
|
|
reduces
collision domains |
|
|
increases
number of collision domains |
|
|
adds
additional broadcast domains |
|
|
has no impact
on broadcast domains |
|
|
breaks
collision domains into equal parts |
|
Which of the
following is created with switched full-duplex transmission? |
|
|
|
more collision
domains |
|
|
fewer
collision domains |
|
|
no collision
domains |
|
|
no increase in
broadcast domains |
|
|
more broadcast
domains |
|
Which
switching mode describes a switch that transfers a frame as soon as the
destination MAC address is read? |
|
|
|
fragment-free |
|
|
cut-through |
|
|
store-and-forward |
|
|
latency
forwarding |
|
Which of the
following is the switching technique that reads the header and passes the
frame prior to the checksum being sent? |
|
|
|
fragment-free |
|
|
cut-through |
|
|
store-and-forward |
|
|
latency
forwarding |
|
|
fast forward |
|
What does a
switch broadcast to let other switches know of its existence on the LAN? |
|
|
|
STP |
|
|
STA |
|
|
BDPU |
|
|
BPU |
|
|
BPDU |
|
Which of the
following network types uses networking devices to extend the distances that
cable can be run? |
|
|
|
length/shared
media |
|
|
extended
shared media |
|
|
point-to-point
network |
|
|
extended
point-to-point network |
|
|
multiple
access/point-to-point |
|
Which of the
following is a term associated with replacing hubs with switches to increase
the number of collision domains? |
|
|
|
encapsulation |
|
|
latency |
|
|
segmentation |
|
|
layered model |
|
|
broadcast
domain |
|
|
extended |
|
While working
on her computer, Mary noticed longer than normal network data transfers. Mary
investigates the problem and notices that her co-worker John has been hosting
an online video conference. What is the network probably experiencing? |
|
|
|
collision storm |
|
|
broadcast
storm |
|
|
IP storm |
|
|
data rain
storm |
|
Which of the
following does a router use to make a forwarding decision? |
|
|
|
destination IP
address |
|
|
MAC address |
|
|
source IP
address |
|
|
encapsulation
address |
|
|
default
gateway |
|
Which
switching mode has the highest latency? |
|
|
|
fast-forward |
|
|
store-and-forward |
|
|
fragment-free |
|
|
cut-through |
|
Which
switching mode has the lowest latency? |
|
|
|
cut-through |
|
|
fast-forward |
|
|
store-and-forward |
|
|
fragment-free |
|
Which LAN
switching methods have a fixed latency time? (Choose two.) |
|
|
|
store-and-forward |
|
|
cut-through |
|
|
fast-forward |
|
|
free-forward |
|
|
cut-and-store |
|
|
fragment-free |
|
A network
administrator has a multi-floor LAN to monitor and maintain. Through careful
monitoring, the administrator has noticed a large amount of broadcast traffic
slowing the network. Which device would you use to best solve this problem? |
|
|
|
bridge |
|
|
hub |
|
|
router |
|
|
transceiver |
|
Which of the
following devices performs the task of viewing and forwarding frames based on
MAC addresses? (Choose two.) |
|
|
|
hub |
|
|
router |
|
|
bridge |
|
|
switch |
|
|
transceiver |
|
|
ATM |
|
Which device
uses full-duplex mode to provide full bandwidth between two nodes on a
network? |
|
|
|
hub |
|
|
router |
|
|
switch |
|
|
gateway |
|
|
repeater |
|
|
transceiver |
|
What is a
disadvantage of cut-through switching? |
|
|
|
no error
checking |
|
|
a decrease in
error checking |
|
|
decrease in
number of collision domains |
|
|
decrease in
bandwidth |
|
|
increased
latency |
|
Which of the
following protocols is used to eliminate loops? |
|
|
|
STP |
|
|
BDPU |
|
|
UDP |
|
|
EIGRP |
|
|
learning |
|
What is the
area referred to as, that controls frame propagation within that area? |
|
|
|
MAC address
domain |
|
|
collision
domain |
|
|
broadcast
domain |
|
|
propagation
domain |
|
Which of the
following describes shared media environment? |
|
|
|
a collision
free environment made up of systems on the same medium |
|
|
multiple hosts
have access to the same cable ISP system |
|
|
multiple hosts
have access to the same medium. |
|
|
multiple
router environment in a mesh topology |