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H12-261_V3.0 Exam Dumps - HCIE-Routing & Switching (Written) V3.0

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Question # 4

In an MPLS BGP VPN network without the MPLS penultimate hop popping technology enabled, when a packet arrives at the last hop PE, the packet has two layers of labels, and the two layers of labels can be the same.

TRUE

FALSE

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Question # 5

In the topology shown in the figure, if the entire network runs OSPFv3 without importing external routes, what type of LSA will not be generated on R1?

link-lsa

Intra-Area-Prefix-LSA

Inter-Area-Prefix-LSA

Inter-Area-Router LSA

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Question # 6

In the campus network, what are the problems of manually creating static tunnels?

Static tunnels also use related protocols on the control plane, which will cause equipment resource loss

VTEP can only rely on data flooding to learn the remote MAC address

Although the static VXLAN tunnel mode can support distributed gateway application scenarios, the configuration workload is large and the configuration adjustment is complicated

If N devices establish static VXLAN tunnels, at most N(N-1)/2 tunnels need to be manually configured, and the amount of configuration is large.

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Question # 7

The following are about 802.1x authentication. What are the correct statements about RADIUS authentication and HWTACACS authentication?

Users can use 802.1x authentication to access the network, RADIUS completes authentication.

RADIUS authentication and WTACACS authentication are mutually exclusive, and dual authentication cannot be performed for the same user at the same time.

RADIUS authentication and HWTACACS authentication can perform dual authentication for the same user at the same time, which is more secure.

RADIUS authentication and 802.1x authentication are mutually exclusive.

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Question # 8

About IGMP Proxy is correct? (multiple choice)

IGMP PThe downstream interface of the roxy device generates multicast forwarding entries based on the information of member hosts joining/leaving the multicast group

IGMP Proxy can work with NQA to detect link status and realize fast switching between active and standby links

IGMP PProxy is usually deployed on the device between the member hosts of the access device

IGMP PThe roxy device cannot replace the IGMP querier to send query packets to downstream member hosts to maintain group membership.Tie

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