Huawei H12-224 Online Practice Questions and Exam Preparation

Huawei H12-224 Online Questions & Answers

• Question 471:

  Which of the following statements regarding OSPF multi-instance is false?

  A. OSPF multi-instance takes effect globally.
  B. An interface of a router belongs to only a certain OSPF process.
  C. Route exchange between different OSPF processes is similar to route exchange between different routing protocols.
  D. Multiple OSPF processes can run on the same router, and they are independent of each other.
  A. OSPF multi-instance takes effect globally.

• Question 472:

  Which of the following statements are correct regarding how OSPF detects old and duplicate LSAs? (Choose three.)

  A. The smaller the sequence number, the more recent the LSA.
  B. The smaller the LS age, the more recent the LSA.
  C. When router generates a new LSA at the first time, it will use 0x80000001 as the sequence number.
  D. An LSA can be flushed from routing domain by setting its LSA age to Maxage.
  B. The smaller the LS age, the more recent the LSA.
  C. When router generates a new LSA at the first time, it will use 0x80000001 as the sequence number.
  D. An LSA can be flushed from routing domain by setting its LSA age to Maxage.

• Question 473:

  What are the functions of an IGMPv2 Query message? (Choose three.)

  A. A router sends IGMPv2 Query messages to collect group memberships of receiver hosts.
  B. A router sends IGMPv2 Query messages to elect a querier.
  C. If a router can periodically send IGMPv2 Query messages, it indicates that the router runs properly.
  D. Based on IGMPv2 Query messages, receiver hosts can obtain the address of a querier and unicast Report messages to the querier.
  A. A router sends IGMPv2 Query messages to collect group memberships of receiver hosts.
  B. A router sends IGMPv2 Query messages to elect a querier.
  C. If a router can periodically send IGMPv2 Query messages, it indicates that the router runs properly.

• Question 474:

  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 types are inconsistent.
  D. Authentication types are inconsistent.

• Question 475:

  The configurations of the defined route-policy Set-cost are as follows: Which of the following statements is true?

  

  A. The route 10.1.0.0/16 matches node 10 and its cost is set to 300.
  B. The route 10.1.0.0/16 matching node 10 also matches node 20 subsequently and its cost is finally set to 200.
  C. Costs of all routes will be set to 200.
  D. All routes that fail to match node 10 will be denied.
  A. The route 10.1.0.0/16 matches node 10 and its cost is set to 300.

• Question 476:

  Which of the following statements about comparison between ACL and IP-Prefix are true? (Choose two.)

  A. Both ACL and IP-Prefix can be used for route filtering
  B. Both ACL and IP-Prefix can be used for data packet filtering
  C. ACL can be used for data packet filtering and route filtering, but IP-Prefix can only be used for route filtering
  D. IP-Prefix can be used for data packet filtering and route filtering, but ACL can only be used for route filtering
  A. Both ACL and IP-Prefix can be used for route filtering
  C. ACL can be used for data packet filtering and route filtering, but IP-Prefix can only be used for route filtering

• Question 477:

  On an RSTP network, when an edge port is in protected state, what operation is performed after the edge port receives BPDUs?

  A. The edge port forwards BPDUs.
  B. The edge port discards BPDUs.
  C. The edge port is shut down.
  D. The edge port obtains required information from BPDUs.
  C. The edge port is shut down.

• Question 478:

  If an MSTP switch detects that the neighboring switch works in RSTP mode, which mode does the MSTP switch work?

  A. STP mode
  B. RSTP mode
  C. MSTP mode
  D. All of the above
  B. RSTP mode

• Question 479:

  Which of the following statements about a multicast distribution tree are true? (Choose three.)

  A. Multicast distribution trees are classified into two types: SPT and RPT.
  B. The PIM-SM protocol can generate both RPTs and SPTs.
  C. The PIM-SSM protocol can generate only SPTs.
  D. The PIM-DM protocol can generate both RPTs and SPTs.
  A. Multicast distribution trees are classified into two types: SPT and RPT.
  B. The PIM-SM protocol can generate both RPTs and SPTs.
  C. The PIM-SSM protocol can generate only SPTs.

• Question 480:

  Which statements are true? (Choose three.)

  A. Port isolation is a mechanism that controls the access between switch interfaces.
  B. Port isolation is an isolation mechanism at the physical layer.
  C. Port isolation prevents the computers connected to different ports from accessing each other.
  D. Port isolation can be configured based on VLANs.
  A. Port isolation is a mechanism that controls the access between switch interfaces.
  B. Port isolation is an isolation mechanism at the physical layer.
  C. Port isolation prevents the computers connected to different ports from accessing each other.