Free Access to Huawei.H12-891_V1.0.v2026-06-05.q295 with Valid Practice Test (Page 39)

Question 186

What of the following actions can enable fast failure detection on multicast networks?

A.A PIM BFD session is established between neighbors
B.Reduce the interval at which the interface sends Hello messages
C.Reduce the interval between sending Join/Prune messages
D.Shorten the Holdtime of Join/Prune messages

Question 187

The correct statement about the IGMP proxy is ? Multi-select

A.IGMP proxy device cannot send query messages to downstream member hosts in place of the IGMP queryer to maintain group membership
B.IGMP proxy can detect the link status with the linkage through the information of the member host joining/leaving the multicast group, and realize the rapid switching of the primary and standby device links
C.IGMP proxy is typically deployed on devices between hosts that are members of the access device The
D.The downstream interface of the IGMP proxy device generates multicast relay table items

Question 188

If a router only needs to forward iPv6 packets, you do not need to configure any IPV4 agreements and addresses on that router.

A.True
B.False

Question 189

An SRLB is a set of user-specified local labels reserved for SR-MPLS. These labels are locally configured and have only local significance. Therefore, they are not advertised through the IGP.

A.TRUE
B.FALSE

Question 190

The following statement about IPSec VPN is correct ?qo

A.Brutal mode can support NAT traversal, while main mode does not support NAT traversal.
B.The two routers establish IPSecVPN in main mode, and from the 5th packet (included), the payload's data will be encrypted.
C.The two routers can establish OSPF neighbor relations and exchange intranet routes through the IPSec VPN tunnel
D.Two routers establish an IPSec VPN in brutal mode, so that the two devices can interact with a minimum of 4 messages to establish a tunnel.

Question 186

Question 187

Question 188

Question 189

Question 190

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