單項(xiàng)選擇題

On the basis of the network provided in the exhibit， all routers are configured to run EIGRP on all links. If the link between PG-R1 and PG-R2 fails， what is the maximum number of queries PG-R3 will receive for 192.168.1.0/24， assuming that all the packets sent during convergence are transmitted once （there are no dropped or retransmitted packets）？（）

A. PG-R3 will receive up to four queries for 192.168.1.0/24， one each from PG-R2， PG-R4， PGR5，and PG-R6.
B. PG-R3 will receive up eight queries for 192.168.1.0/24， one from PG-R2， two from PG-R4，three from PG-R5， and four from PG-R6.
C. PG-R3 will receive one query for 192.168.1.0/24， since the remote routers， PG-R4， PG-R5， and PG-R6， are natural stubs in EIGRP.
D. PG-R3 will not receive any queries from PG-R2， because there are no alternate paths for 192.168.1.0/24.

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多項(xiàng)選擇題

Which two statements about SA caching are true？（）

A.Caching allows pacing of MSDP messages.
B.Caching reduces join latency.
C.Caching should not be done by an MSDP speaker.
D.Caching is used to update the BGP MDT address family.

多項(xiàng)選擇題

Which two are differences between IGMPv2 and IGMPv3 reports？（）

A.IGMPv3 has the ability to include or exclude source lists.
B.All IGMPv3 hosts send reports to destination address 224.0.0.22.
C.Only IGMPv2 reports may contain multiple group state records.
D.All IGMPv3 hosts send reports to destination address 224.0.0.23.
E.IGMPv2 does not support the Leave Group message.

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Which two statements about SA caching are true？（）

Which two are differences between IGMPv2 and IGMPv3 reports？（）

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Which two statements about SA caching are true？（）

Which two are differences between IGMPv2 and IGMPv3 reports？（）