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Topic 1: Exam Pool A
How does the RIB differ from the FIB?
A.
The RIB is used to create network topologies and routing tables. The FIB is a list of routes to particular network destinations.
B.
The FIB includes many routes a single destination. The RIB is the best route to a single destination.
C.
The RIB includes many routes to the same destination prefix. The FIB contains only the best route
D.
The FIB maintains network topologies and routing tables. The RIB is a Iist of routes to particular network destinations.
The RIB is used to create network topologies and routing tables. The FIB is a list of routes to particular network destinations.
Which three elements determine Air Time efficiency? (Choose three)
A.
evert-driven RRM
B.
data rate (modulation density) or QAM
C.
channel bandwidth
D.
number of spatial streams and spatial reuse
E.
RF group leader
F.
dynamic channel assignment
data rate (modulation density) or QAM
channel bandwidth
number of spatial streams and spatial reuse
An engineer must ensure that all traffic leaving AS 200 will choose Link 2 as the exit point. Assuming that all BGP neighbor relationships have been formed and that the attributes have not been changed on any of the routers, which configuration accomplish task?
A.
R4(config-router)bgp default local-preference 200
B.
R3(config-router)neighbor 10.1.1.1 weight 200
C.
R3(config-router)bgp default local-preference 200
D.
R4(config-router)nighbor 10.2.2.2 weight 200
R4(config-router)bgp default local-preference 200
Explanation: Local preference is an indication to the AS about which path has preference to exit the AS in order to reach a certain network. A path with a higher local preference is preferred. The default value for local preference is 100.
Unlike the weight attribute, which is only relevant to the local router, local preference is an attribute that routers exchange in the same AS. The local preference is set with the “bgp default local-preference value” command. In this case, both R3 & R4 have exit links but R4 has higher local-preference so R4 will be chosen as the preferred exit point from AS 200.
Refer to the exhibit.
An engineer implemented several configuration changes and receives the logging message on switch1. Which action should the engineer take to resolve this issue?
A.
Change the VTP domain to match on both switches
B.
Change Switch2 to switch port mode dynamic auto
C.
Change Switch1 to switch port mode dynamic auto
D.
Change Switch1 to switch port mode dynamic desirable
Change the VTP domain to match on both switches
Refer to the exhibit.
The EtherChannel between SW2 and SW3 is not operational which action resolves this issue?
A.
Configure the channel-group mode on SW2 Gi0/1 and Gi0/1 to on.
B.
Configure the channel-group mode on SW3 Gi0/1 to active
C.
Configure the mode on SW2 Gi0/0 to trunk
D.
Configure the mode on SW2 Gi0/1 to access
Configure the channel-group mode on SW3 Gi0/1 to active
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