Huawei Huawei Certifications H12-224 Questions & Answers

• Question 771:

  Which statement about the trunk interface is true?

  A. A trunk interface is always connected to hosts.

  B. "multiple" VLAN IDs can be set on a trunk interface. The VLAN IDs can be the same as or different from the PVID.

  C. The trunk interface cannot have a PVID.

  D. If the trunk interface receives a packet with a VLAN not in the allowed VLAN list, the trunk interface broadcast the packet in the VLAN.

  Correct Answer: B

• Question 772:

  In RSTP, the port status can be discarding and learning. Which statements about the port status are true? (Choose two.)

  A. The port in discarding or learning state does not forward data frames.

  B. The port in discarding state does not learn MAC addresses.

  C. The port in learning state does not learn MAC addresses.

  D. All of the above

  Correct Answer: AB

• Question 773:

  Which statements about VLAN aggregation are true? (Choose three.)

  A. "multiple" VLANs (broadcast domains) are on the same physical network; therefore, different VLANs belong to the same subnet.

  B. VLAN aggregation can save IP addresses.

  C. Only the super VLAN requires an IP address, but sub-VLANs do not need.

  D. The VLAN that is used to separate broadcast domains is called super VLAN.

  Correct Answer: ABC

• Question 774:

  Which statements are true? (Choose three.)

  A. The routing ARP proxy allows the hosts on different physical networks of the same network segment to communicate with each other.

  B. The intra-VLAN ARP proxy allows isolated users on a VLAN to communicate with each other.

  C. The inter-VLAN ARP proxy allows hosts on different VLANs to communicate with each other through Layer 3.

  D. The inter-VLAN ARP proxy function can't be enabled on the VLANIF interface of the super VLAN to implement communication between sub-VLANs.

  Correct Answer: ABC

• Question 775:

  Which statement is true?

  A. The principal VLAN must be configured before subordinate VLANs.

  B. The MUX VLAN function takes effect without being enabled on an interface.

  C. In MUX VLAN, a VLAN can function as both principal VLAN and subordinate VLAN.

  D. The MUX VLAN can contain only one subordinate separate VLAN.

  Correct Answer: A

• Question 776:

  A switching network has been enabled with STP protocol. To provide fast access speed to the file server for most of the users, the switch that is directly connected with file server is configured as the root bridge.

  A. True

  B. False

  Correct Answer: A

• Question 777:

  The STP protocol cannot prevent MAC address table flapping caused by loops on the Layer 2 network.

  A. True

  B. False

  Correct Answer: B

• Question 778:

  Which of the following statements about STP is not true?

  A. STP can manage redundant links.

  B. STP can block redundant links to eliminate loops

  C. STP can prevent temporary loss of connectivity

  D. STP can make LAN switch operate normally in a network with loops

  Correct Answer: C

• Question 779:

  RSTP defines different ports compared with STP. Which of the following ports cannot work in forwarding state? (Choose all that apply.)

  A. Root Port

  B. Designated Port

  C. Backup Port

  D. Alternate Port

  Correct Answer: CD

• Question 780:

  After an STP switch starts, it considers itself as the root switch. Which statements about BDPU parameter setting are true? (Choose three.)

  A. The switch is the designated root.

  B. The designated cost is 0.

  C. The switch is the designated bridge.

  D. The designated port is 0.

  Correct Answer: ABC