Huawei H12-222 Online Practice Questions and Exam Preparation

Huawei H12-222 Online Questions & Answers

• Question 271:

  

  Which statement regarding the following configuration is false? Configure GigabitEthernet 0/0/1 as a trusted interface.

  A. If the DHCP request packet received by GigabitEthernet 0/0/1 does not contain the SubOptionl information of Option 82, the
  B. device generates Option 82 and inserts it into the packet.
  C. Enable DHCP snooping to defend against bogus DHCP server attacks.
  D. Enable DHCP snooping to defend against bogus ARP spoofing attacks.
  B. device generates Option 82 and inserts it into the packet.

• Question 272:

  Which information of labels is used for simple traffic classification?

  A. DSCP priority
  B. IP precedence
  C. MPLS EXP priority
  D. 802.1p priority
  C. MPLS EXP priority

• Question 273:

  The firewall and router can both implement security defense functions and replace each other.

  A. TRUE
  B. FALSE
  B. FALSE

• Question 274:

  In a MPLS VPN network, two-layer MPLS labels are added into data packets before they are transmitted over the public network. Which of the following statements regarding data packet processing are true? (Multiple Choice)

  A. The penultimate hop removes the outer label before forwarding the data packet to a peer PE.
  B. The IP data packet received by the peer PE does not carry labels.
  C. The penultimate hop removes the outer label if the outer label in the data packet is explicit null label 3.
  D. The peer PE sends the data packet to the correct VPN based on the inner label.
  A. The penultimate hop removes the outer label before forwarding the data packet to a peer PE.
  D. The peer PE sends the data packet to the correct VPN based on the inner label.

• Question 275:

  A DDoS attack indicates that an attacker controls many botnet hosts to send a large number of constructed attack packets. As a result, the attacked device rejects request of authorized users.

  A. TRUE
  B. FALSE
  A. TRUE

• Question 276:

  MPLS advertise labels in different way. As shown in the following figure, SWB an d SWA (as the upstream switch) advertise labels in DU mode. Which of the following statements are true? (Multiple Choice)

  

  A. SWB sends label mapping messages to SWA even if SWA does not send label request messages to SWB.
  B. SWB does not send label mapping messages to SWA if SWA does not send label request messages to SWB.
  C. SWA sends label mapping messages to SWB even if SWB does not send label request messages to SWA.
  D. SWA does not send label mapping messages to SWB if SWB does not send label request messages to SWA.
  A. SWB sends label mapping messages to SWA even if SWA does not send label request messages to SWB.
  D. SWA does not send label mapping messages to SWB if SWB does not send label request messages to SWA.

• Question 277:

  Which of the following protocols can be associated with BFD? (Multiple Choice)

  A. VRRP
  B. OSPF
  C. BGP
  D. Static route
  A. VRRP
  B. OSPF
  C. BGP
  D. Static route

• Question 278:

  The following describes the VPN configuration on a device. Which of the following statements is true?

  

  A. This command is configured on the CE of the customer network.
  B. route-distinguisher 1:1 indicates that the RD value is 1:1, which is not globally unique.
  C. vpn-target 1:1 export-extcommunity indicates that the Export Target of the VPN is 1:1.
  D. vpn-target 2:2 import-extcommunity indicates that the Import Target of the VPN is 2:2. Only one value can be set for the Import Target.
  C. vpn-target 1:1 export-extcommunity indicates that the Export Target of the VPN is 1:1.

• Question 279:

  When the virtual router responds to ARP Request packets, the actual MAC address of the master router is used,

  A. TRUE
  B. FALSE
  B. FALSE

• Question 280:

  For interzone packet filtering, which of following traffic is not transmitted in the outbound direction?

  A. Traffic from the DMZ to the untrusted zone
  B. Traffic from the trusted zone to the DMZ
  C. Traffic from the trusted zone to the untrusted zone
  D. Traffic from the trusted zone to the local zone
  D. Traffic from the trusted zone to the local zone