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# New Updated Huawei H12-891_V1.0-ENU exam dumps

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The following description of the RD attribute filter for BGP is correct?
A. If RD-filter is configured, but the routed RD is not matched with any of the RDs defined in the rule, the default match result is permit.
B. There is always an "or" relationship between the rules configured by RD-filter.
C. Multiple rules are matched in the order in which they are configured.
D. If RD-filter is not configured, but the RD-filter is referenced for filtering, the matching result is deny.
Answer: B,C

Regarding the MPLS basic forwarding process, the following description is incorrect? Radio
A. When the P message enters the MPLS domain, check whether the Tunel lD value corresponding to the destination IP address is Ox0O If the Tunel IlD value is Ox0 Then enter the MPLS forwarding process.
B. The transport node device replaces the existing top-of-stack label (outermost label) with the label assigned by the next hop device.
C. When an IP message enters the MPLS domain, the MPLS boundary device inserts a new label between the layer 2 header and the IP header.
D. By default, the PHP-enabled Erass node assigns a label value of 3 to the inverted second-hop node.
Answer: A

Regarding BGP4+, the following statement is correct?
A. BGP4+ carries the prefix and mask length of the IPv6 route through the NLRI attribute
B. The NEXT_HOP attribute does not exist in BGP4+
C. BGP4+ carries the next hop address of the IPv6 route through the NEXT_HOP attribute
D. BGP4+ carries the next hop address of the route through the Network Address of Next Hop in the NLRI properties MP_REACH
Answer: A,D

The following description of the CHAP authentication function in the PPP protocol is correct?(Multiple choice questions).
A. The user name must be configured under the authenticated party interface for CHAP authentication
B. can also be configured without the authenticated party interface Using the authentication sequence ID, random number, and key, a Hash value
C. If the authenticator does not have a username configured, password
D. is calculated using the MD5 algorithm Three message interactions are required for authentication, and only the user name is transmitted on the network without the password
Answer: A,B,D

The following is the correct statement about the LSA of OSPFv3?
A. Inter-AreaPrefix-SA's LinkStatelD contains the prefix
B. When the Intra-AreaPrefixLSA's ReferencedLinkStateType-2, referencedLinkStatelD contains the interface to DR ID
C. Router-LSA and Network-LSA does not contain routing information
D. Inter-AreaPrefirLSA also contains LinkLocal information file
Answer: B,C

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