Free Access Huawei.H12-891_V1.0.v2023-07-31.q133 Practice Test (Page 8)

Question 31

What information does this contain in a basic layer packet? (Multiple choice)

A.The network layer header

B.Upper-level data

C.Data link layer header

D.path records

E.Network Layer Tail

Question 32

If there are multiple recipients in a multicast group, the administrator enables the IGMP-Snooping function on the switch connecting the recipient, and when the receiver receives the universal group query packet of the queryer from the switch, how should multiple recipients respond?

A.All recipients will respond to Report messages only if ICMPV2 is running.

B.All recipients will respond to the Report message

C.The first recipient whose response time time expires sends the Report message, the other receivers do not.

D.All recipients will respond to the Report message only if IGMPvl is running.

Question 33

Which of the following scenarios does not require RPF checking?( Single choice questions).

A.When a pruning message is received in PIM SM

B.When the RP in PIM SM establishes the source tree to the multicast source

C.When a router in PIM SM receives multicast traffic when a shared tree is established to an RP in PIM SM

Question 34

0SPFV2 is running on the IPV4 network IGP: OSPF3 is running in the IPV6 network, OSPF35 OSPFV2 has the same message type. Includes hello messages, DOD messages, LSR messages, LAU messages, and SAX messages about OSPP The following statement is correct?

A.OSPFv3 uses the link-local address as the source address for sending packets, which can be forwarded outside the range of the originating link

B.The hello packet of OSPFv3 carries the IPV6 address prefix of the router interface

C.OSPFv3 sends OSPFv3 packet using the IPV6 multicast addresses FF02::5 and FF02

D.OSPFv3 uses the authentication field of the packet header to complete the packet authentication

Question 35

What are the following techniques for improving MPLS BGP VPN reliability?( Multiple choice question)

A.VPN FRR

B.dual home networking is configured at the access layer

C.PE-CE FRR

D.VPN GR Private IP routing between

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