Huawei Huawei Certifications H12-891 Questions & Answers

• Question 481:

  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

  B. FALSE

  Correct Answer: B

• Question 482:

  What is the following correct for the process of registering the source-side DR with RP in PIM-SM?

  A. Encapsulated in the registered message is multicast service data

  B. RP sends a registration stop message as soon as it receives the registration message.

  C. Registered messages are used to build the RPT tree between source DR and RP

  D. Registered packets are multicast packets.

  Correct Answer: A

• Question 483:

  For the description of firewall security zones, the following statement is correct?

  A. The same interface of a firewall can belong to different security zones

  B. Different security zones of the firewall, the priority can be the same

  C. The built-in security zone of the Firewall can be deleted

  D. Different interfaces of the firewall can belong to the same security zone

  Correct Answer: D

• Question 484:

  Regarding the certification of the ISIS protocol, there is a correct statement

  A. Connection authentication can realize the authentication of the hello messages of Leve- 1 and Leve-2

  B. After configuring the connection authentication, the IIH issued by the router must carry the authentication TLV

  C. After configuring zone authentication, the router issues an IIH, SNP, LSP--strap-to-tape authentication TLV

  D. The two routers are configured for area authentication and interface authentication, and the passwords are the same, so the two can establish an isocopied relationship

  Correct Answer: AB

• Question 485:

  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

  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

  C. A tag is a fixed-length, locally only meaningful identifier that uniquely identifies the FEC to which a group belongs

  D. MPLS supports single-layer tags as well as multi-tier tags

  Correct Answer: ACD

• Question 486:

  Which SNMP message type sent to NMS reports events that are reliable? ( Single choice questions).

  A. Inform

  B. Get

  C. Response

  D. Trap

  E. Get Bulk

  Correct Answer: A

• Question 487:

  ICMPv6 has two types: Error Messages and Information Messages.

  A. TRUE

  B. FALSE

  Correct Answer: A

• Question 488:

  The correct description about the prefix list is:

  A. The prefix list is used to filter P prefixes and can match both prefix numbers and prefix lengths

  B. The prefix list is used to filter IP prefixes, and cannot match both the prefix number and the prefix length

  C. The prefix list cannot be used for packet filtering

  D. The prefix list can be used to filter packets

  Correct Answer: AC

• Question 489:

  BGP EVPN advertises external routes, which of the following routes?

  A. Type1

  B. Type2

  C. Type3

  D. Type4

  E. Type5

  Correct Answer: E

• Question 490:

  In the following topology diagram,

  

  R1 can be established between R2 and R3 fetches the Internet, RI and R2, R1 and R3 EGP connections, R2, R3 belong to the same AS The default routes are issued through BGP separately, requiring R2 to be preferred for traffic accessed by RI to the Internet, and the following practices can be achieved

  A. R1 specifies that peer R3 sets the MED property to 150 in the import direction

  B. R2 specifies that peer R1 is in export The direction setting local priority is 150

  C. R2 specifies peer R1 in the export direction setting MED property to 150

  D. R1 specifies the peer R2 sets the local priority in the import direction to 150

  Correct Answer: AD