H12-921_V1.0

H12-921_V1.0 practice questions, page 2 of 2, with answer review and explanations.

Question 6

Which of the following statements are true about PFC deadlock detection? (Choose all that apply.)

  1. After deadlock detection is enabled on a switch, the switch ignores received PFC frames.
  2. After deadlock detection is enabled on a switch, the switch automatically disables PFC if a deadlock occurs multiple times within a period of time, which can be configured by the network administrator.
  3. After deadlock detection is enabled on a switch, the switch stops sending traffic in the corresponding queue when receiving the first PFC frame.
  4. After deadlock detection is enabled on a switch, the switch starts a timer when receiving the first PFC frame.

Question 7

In the cloud-network integration scenario of the CloudFabric solution, after a VM is created and its network is specified, Nova invokes the Neutron API to create a virtual port that contains the host ID of the VM.

  1. TRUE
  2. FALSE

Question 8

Refer to the figure. In the CloudFabric solution for the Multi-PoD scenario, active and standby egresses are deployed. If both the active border leaf node and active firewall are faulty, which of the following paths is used by VMs in VPC1 to access the external network?

  1. 1
  2. 2
  3. 3
  4. 4

Question 9

What is the minimum number of NICs required by each storage server to enable converged deployment of the front-end and back-end storage networks in the CloudFabric distributed storage network solution?

  1. 4
  2. 1
  3. 2
  4. 3

Question 10

In the intra-city active-active DC solution, two identical service systems are deployed in two DCs in the same city. The two service systems provide services for users at the same time and provide DR for each other.

  1. TRUE
  2. FALSE