Huawei Huawei Certifications H12-224 Questions & Answers

• Question 781:

  Which statement about the following configuration is true?

  port link-type hybrid port hybrid pvidvlan 2 port hybrid untagged vlan 2 port hybrid tagged vlan 3

  A. The default VLAN of the interface is VLAN 2.

  B. The port hybrid tagged vlan 3 command configures the VLAN for a hybrid interface. Frames in the VLAN then pass through the hybrid interface in untagged mode.

  C. The port hybrid untagged vlan 2 command configures the VLAN for a hybrid interface. Frames in the VLAN then pass through the hybrid interface in tagged mode.

  D. All of the above.

  Correct Answer: A

• Question 782:

  What are the same fields in RSTP BPDUs and STP BPDUs? (Choose two.)

  

  A. TCN

  B. TC

  C. TCA

  D. All of the above

  Correct Answer: BC

• Question 783:

  If 802.1x authentication is enabled on an interface, MAC address authentication (enabled by the macauthen enable command) and direct authentication (enabled by the direct-authen enable command) cannot be enabled on the interface.

  A. True

  B. False

  Correct Answer: A

• Question 784:

  Which of the following standards defines STP?

  A. 802.1J

  B. 802.1X

  C. 802.1D

  D. 802.1P

  Correct Answer: C

• Question 785:

  Which statements about the PVID on the access interface are true?

  A. When receiving a packet without the VLAN tag, the interface adds the VLAN tag to the packet and sets the VID in the tag to the default VLAN ID.

  B. When receiving a packet with a VLAN tag, the interface compares the VLAN ID in the tag with the default VLAN ID. If they are the same, the interface forwards the packets; otherwise, the interface discards the packets.

  C. When the interface sends a packet with a VLAN tag that contains the default VLAN ID, the system removes the VLAN tag of the packet, and then forwards the packet.

  D. None of the above.

  Correct Answer: ABC

• Question 786:

  Which statement about ARP proxy is false?

  A. The ARP proxy, namely, the gateway, sends ARP request for the host. The MAC address in the ARP request packet is the MAC address of the host.

  B. The ARP proxy, namely, the gateway, sends ARP request for the host. The MAC address in the ARP request packet is the MAC address of its own interface.

  C. ARP proxy is also called promiscuous ARP or ARP hack.

  D. The ARP proxy allows the hosts on the networks with the same network ID to communicate with each other.

  Correct Answer: A

• Question 787:

  In RSTP network environment, a port can be set as edge port when it is directly connected with terminal.

  A. True

  B. False

  Correct Answer: A

• Question 788:

  Which of the following statements about STP Designated Port is true?

  A. Each of the bridge can have one Designated Port only.

  B. Designated Port is responsible for forwarding packets to its connected network segments.

  C. The only path leading to the Root Bridge is through Designated Port.

  D. Designated Port forwards the data packet from its corresponding switch to the Root Switch.

  Correct Answer: B

• Question 789:

  The following is the command output on a root switch of an MSTP region. How many switches are located in the MSTP region?

  A. Less than 10

  B. Less than 20

  C. Less than 30

  D. Less than 40

  Correct Answer: C

• Question 790:

  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

  Correct Answer: B