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Huawei H12-891 Practice Test - Questions Answers, Page 36

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?BGP4+?,Update ????M IP_R EACH_NLRI ?????next hop network address ????? ?

A.
It can be just link-local address
A.
It can be just link-local address
Answers
B.
Can only be a link-local address
B.
Can only be a link-local address
Answers
C.
You can carry a link-local address and a global unicast address
C.
You can carry a link-local address and a global unicast address
Answers
D.
at the same time Can only be a global unicast address
D.
at the same time Can only be a global unicast address
Answers
Suggested answer: C

The following description of Link ID, Data, Type, and Metirc in Router-LSA is correct :( Multiple select).

A.
Metric describes the overhead of this connection
A.
Metric describes the overhead of this connection
Answers
B.
The Link ID represents the local identity of this connection, and the different connection types The Link ID represents different meanings
B.
The Link ID represents the local identity of this connection, and the different connection types The Link ID represents different meanings
Answers
C.
Data is used to describe additional information for this connection, and different connection types describe different information
C.
Data is used to describe additional information for this connection, and different connection types describe different information
Answers
D.
Type indicates the type of connection
D.
Type indicates the type of connection
Answers
Suggested answer: A, B, C, D

The following statement about the IS-IS protocol is incorrect?

A.
The IS-IS protocol is a link-state protocol that runs between AS
A.
The IS-IS protocol is a link-state protocol that runs between AS
Answers
B.
The IS-IS protocol supports CLNP networks
B.
The IS-IS protocol supports CLNP networks
Answers
C.
Messages for the IS-IS protocol are encapsulated directly by the data link layer
C.
Messages for the IS-IS protocol are encapsulated directly by the data link layer
Answers
D.
The IS-IS protocol supports IP network ad
D.
The IS-IS protocol supports IP network ad
Answers
Suggested answer: A

The following statement about the OSPFv3 message format is correct?( Multiple select).

A.
There is no change in the option field of the Hello message
A.
There is no change in the option field of the Hello message
Answers
B.
Remove the Authentication, Auth Type fields
B.
Remove the Authentication, Auth Type fields
Answers
C.
Hello messages no longer contain address information, carrying Interface lD
C.
Hello messages no longer contain address information, carrying Interface lD
Answers
D.
The OSPF version number changed from 2 to 3
D.
The OSPF version number changed from 2 to 3
Answers
Suggested answer: B, C, D

BGP authentication can prevent illegal routers from establishing neighbors with BGP routers, BGP authentication can be divided into MD5 authentication and Keychain authentication, please ask which BGP messages will be carried below

BGPKeychain authentication information?( Multiple select).

A.
Update
A.
Update
Answers
B.
Notification
B.
Notification
Answers
C.
Keeplive
C.
Keeplive
Answers
D.
Open
D.
Open
Answers
Suggested answer: A, B, C, D

MPLS is called multiprotocol label switching, and with respect to label descriptions in MPLS, the correct one is ?( Multiple select).

A.
The MPLS system has a variety of label publishing protocols, such as LDP is a label publishing protocol
A.
The MPLS system has a variety of label publishing protocols, such as LDP is a label publishing protocol
Answers
B.
The label is carried by the head of the MPLS message and has a global significance, that is, the label value of all routers cannot repeat
B.
The label is carried by the head of the MPLS message and has a global significance, that is, the label value of all routers cannot repeat
Answers
C.
A tag is a fixed-length, locally only meaningful identifier that uniquely identifies the FEC to which a group belongs
C.
A tag is a fixed-length, locally only meaningful identifier that uniquely identifies the FEC to which a group belongs
Answers
D.
MPLS supports single-layer tags as well as multi-tier tags
D.
MPLS supports single-layer tags as well as multi-tier tags
Answers
Suggested answer: A, C, D

During the LDPsession setup process, the active party first sends the Illitalization information to negotiate the parameters, and if the passive party does not accept the negotiation parameters, which of the following messages will be sent? < (Single select).)

A.
Hello Message
A.
Hello Message
Answers
B.
Error Notification Message
B.
Error Notification Message
Answers
C.
Keepalive Message
C.
Keepalive Message
Answers
D.
Initialization Message
D.
Initialization Message
Answers
Suggested answer: B

The following description of IGMPv1 and IGMPv2 is correct?( Multiple select).

A.
IGMPv2 message types include member departure packets
A.
IGMPv2 message types include member departure packets
Answers
B.
IGMPv2 does not support specific group queries
B.
IGMPv2 does not support specific group queries
Answers
C.
IGMPv1 supports universal group queries
C.
IGMPv1 supports universal group queries
Answers
D.
The IGMPv1 message type does not contain members leaving the packet AD
D.
The IGMPv1 message type does not contain members leaving the packet AD
Answers
Suggested answer: A, C, D

When configuring the source NAT and having no pat configuration parameters, which of the following statements is true?( Radio)

A.
Perform destination IP address and destination port translation
A.
Perform destination IP address and destination port translation
Answers
B.
Only source P address translation occurs
B.
Only source P address translation occurs
Answers
C.
Only destination IP address translation occurs
C.
Only destination IP address translation occurs
Answers
D.
Simultaneous source P address and source port translation
D.
Simultaneous source P address and source port translation
Answers
Suggested answer: B

After you divide an interface of the firewall into the Untrust security domain, the interface belongs to the Untrust zone and no longer belongs to the Local zone.

A.
TRUE
A.
TRUE
Answers
B.
FALSE
B.
FALSE
Answers
Suggested answer: B
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