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单选题
In regard to a hub and spoke Frame-Relay data network, what kind of physical network is it classified as?（）
A
point-to-point
B
broadcast multi-access
C
nonbroadcast multipoint
D
nonbroadcast multi-access
E
broadcast point-to-multipoint
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In regard to a hub and spoke Frame－Relay data network, what kind of physical network is it classified as?()
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考题
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考题
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考题
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单选题Phase I and Phase II DMVPN differ in terms of which of these characteristics？（）A
Utilization of spoke-to-spoke dynamic tunnelsB
Utilization of multipoint GRE tunnels at the hub siteC
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Support for multicast
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compress the incoming data stream as it is receivedB
store the alreadydeduplicated data stream unprocessedC
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考题
单选题What is the advantage of using a multipoint interface instead of point-to-point subinterfaces when configuring a Frame Relay hub in a hub-and-spoke topology?（）A
it avoids split-horizon issues with distance vector routing protocols.B
IP addresses can be conserved if VLSM is not being used for subnetting.C
A multipoint interface offers greater security compared to point-to-point subinterface configurations.D
The multiple IP network addresses required for a multipoint interface provide greater addressing flexibility over point-to-point configurations.
考题
问答题r1 is the hub ， multipoint mode subinterface， r2 and r3 is spoke， when r2 down at the spoke， What will r1 react？how about r3？
考题
多选题What are three key concepts that apply when configuring the EIGRP stub routing feature in a hub and spoke network？（）AA hub router prevents routes from being advertised to the remote router.BOnly remote routers are configured as stubs.CStub routers are not queried for routes.DSpoke routers connected to hub routers answer the route queries for the stub router.EA stub router should have only EIGRP hub routers as neighbors.FEIGRP stub routing should be used on hub routers only.
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