Huawei H12-222 Online Practice Questions and Exam Preparation

Huawei H12-222 Online Questions & Answers

• Question 261:

  VXLAN technology is only used to build an inter-DC Layer 2 network.

  A. TRUE
  B. FALSE
  B. FALSE

• Question 262:

  Which are the layers of SDN network architecture? (Multiple Choice)

  A. Orchestration application layer
  B. Control layer
  C. Logical layer
  D. Forwarding layer
  B. Control layer

• Question 263:

  The stateful inspection firewall uses the session table to trace activated TCP and UDP sessions, firewall security policies determine which sessions are established, and only the packets associated with sessions are forwarded.

  A. TRUE
  B. FALSE
  A. TRUE

• Question 264:

  Which of the following statements regarding the VRRP master is false?

  A. The VRRP master periodically sends VRRP packets.
  B. The VRRP master uses the virtual MAC address to respond to ARP Request packets destined for the virtual IP address.
  C. The VRRP master forwards IP packets destined for the virtual MAC address.
  D. Even if the router becomes the master, the backup router with a higher priority preempts to be the master.
  D. Even if the router becomes the master, the backup router with a higher priority preempts to be the master.

• Question 265:

  LSRs use various label distribution control modes to set up LSPs. Which of the following statements is false?

  A. There are two label distribution control modes: independent and ordered.
  B. If the label advertisement mode is DU and the label distribution control mode is Independent, an LSR distributes labels without waiting for labels from the downstream device.
  C. If the label advertisement mode is DoD and the label distribution control mode is Independent, the transit device distributes labels only after receiving a label mapping message from the egress device.
  D. If the label advertisement mode is DU and the label distribution control mode is Ordered, the transit LSR distributes labels to the ingress device only after receiving a label mapping message from the egress device.
  C. If the label advertisement mode is DoD and the label distribution control mode is Independent, the transit device distributes labels only after receiving a label mapping message from the egress device.

• Question 266:

  Which of the following items is not the disadvantage of the traditional congestion avoidance mechanism (tail drop)?

  A. Global TCP synchronization
  B. High jitter and long delay
  C. High cost
  D. Packets are discarded without differentiating the priority
  B. High jitter and long delay

• Question 267:

  Different VMs can communicate through VTEP tunnels established by vSwitches. So what is the VXLAN communication process?

  

  A. 1-3-2-4-6-5
  B. 3-5-2-4-1-3
  C. 1-2-3-4-5-6
  D. 1-5-6-4-3-2
  C. 1-2-3-4-5-6

• Question 268:

  How many bits does an MPLS label field have?

  A. 8
  B. 3
  C. 1
  D. 20
  D. 20

• Question 269:

  Which of the following steps are required when configuring a DHCP relay agent? (Multiple Choice)

  A. Configure the DHCP server group name.
  B. Configure IP addresses of DHCP servers in the DHCP server group.
  C. Configure the number and IP address of the interface enabled with the DHCP relay function.
  D. Configure the Option 82 field.
  A. Configure the DHCP server group name.
  B. Configure IP addresses of DHCP servers in the DHCP server group.
  C. Configure the number and IP address of the interface enabled with the DHCP relay function.

• Question 270:

  Which of the following are the major objects of network management? (Multiple Choice)

  A. Ensure that network users can receive the expected service quality and technical support information.
  B. Decrease device migration costs.
  C. Reduce the network device service life and extend the service period.
  D. Help network engineers copy with complex network data to ensure quick and correct data display to end users.
  A. Ensure that network users can receive the expected service quality and technical support information.
  D. Help network engineers copy with complex network data to ensure quick and correct data display to end users.