Huawei Huawei Certifications H12-224 Questions & Answers

• Question 411:

  An OSPF neighbor relationship fails to be established and the display ospf error command output is as follows.

  

  Which of the following is the possible cause?

  A. Router IDs conflict.

  B. Area IDs are mismatched.

  C. Network masks are inconsistent.

  D. Authentication passwords are inconsistent.

  Correct Answer: D

• Question 412:

  ABRs of a Stub area do not flood Type-5 and Type-4 LSAs to the Stub area. Therefore, the Stub area does not have the external AS routing capability. ABRs of the Stub area advertise a default route to the stub area to guide packet forwarding to the external of the AS.

  A. True

  B. False

  Correct Answer: A

• Question 413:

  Assume that the subnet mask is 255.255.255.248. Which of the following addresses are valid host addresses? (Choose three.)

  A. 192.168.200.87

  B. 196.123.142.190

  C. 223.168.210.100

  D. 220.100.100.154

  Correct Answer: BCD

• Question 414:

  Which of the following statements is false?

  A. An ABR maintains an LSDB for each area. There are many LSDBs on an ABR.

  B. The metric of an ASE LSA can be specified when an external route is imported. The default value is 1.

  C. The external routing information carries a Tag label for transmitting additional information of the route. It is commonly used in a routing policy. The default value of the Tag label is 0.

  D. The Link State ID in an ASBR-Summary-LSA is the Router ID of the ASBR.

  Correct Answer: C

• Question 415:

  Which statement about OSPF is false?

  A. Hello packets are used to discover and maintain neighbor relationships. On a broadcast network or an NBMA network, Hello packets can also be used to elect a DR and a BDR.

  B. DD packets describe summary LSDB information by carrying LSA headers.

  C. The intervals at which two routers send Hello packets must be consistent; otherwise, a neighbor relationship cannot be established between them.

  D. DD packets contain headers of all LSAs for periodic LSDB synchronization between OSPF neighbors.

  Correct Answer: D

• Question 416:

  A device can be assigned an IP address 192.168.13.175, with the mask being 255.255.255.240.

  A. True

  B. False

  Correct Answer: B

• Question 417:

  Which of the following statements about OSPF authentication are false? (Choose two.)

  A. Entering a password in cipher text is allowed.

  B. The ospf authentication-mode md5 1 huawei command and the ospf authentication-mode md5 1 plain huawei command have the same function.

  C. If passwords are configured for both an area and an interface, the password configured for the area is used.

  D. The ospf authentication-mode simple huawei command and the ospf authentication-mode simple plain Huawei command have the same function.

  Correct Answer: BC

• Question 418:

  Which of the following rules should a network administrator obey when the network administrator uses the VLSM technology to plan subnets? (Choose three.)

  A. A subnet is composed of all summarized routes.

  B. A subnet can address a host or be further subnetted.

  C. The Update message of a routing protocol in use must carry subnet mask information.

  D. The summarized networks must have the same high-order bit.

  Correct Answer: BCD

• Question 419:

  For network segment 192.168.2.16/28, how many hosts it can hold at most?

  A. 16

  B. 8

  C. 15

  D. 14

  E. 7

  Correct Answer: D

• Question 420:

  Which of the following addresses can be used on a public network? (Choose two.)

  A. 172.30.0.1/16

  B. 127.254.11.15/16

  C. 172.15.12.7/16

  D. 193.168.10.4/16

  Correct Answer: CD