Download Huawei Certified Datacom Professional - Fast Certification - ENU.H12-224.Pass4sures.2018-09-27.365q.tqb

Vendor: Huawei
Exam Code: H12-224
Exam Name: Huawei Certified Datacom Professional - Fast Certification - ENU
Date: Sep 27, 2018
File Size: 3 MB
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Demo Questions

Question 1
  
As shown in the figure, which switch is the root switch according to the configuration? 
  1. SWA
  2. SWB
  3. SWC
  4. None of the above
Correct answer: A
Question 2
The STP protocol can prevent broadcast storms caused by loops on the Layer 2 network.
  1. True
  2. False
Correct answer: A
Question 3
  
According to the figure, what is the status of Ethernet1/0/13 in MSTI 1? 
  1. Forwarding
  2. Discarding
  3. Learning
  4. None of the above
Correct answer: B
Question 4
Which types of interfaces can be configured with selective QinQ? (Choose two.)
  1. Access interface
  2. Trunk interface
  3. Hybrid interface
  4. dot1q-tunnel interface
Correct answer: BC
Question 5
Which of the following statements about the link failure detection in STP protocol is not true?
  1. When network topology is stable, the Designated Port sends BPDU packet at every Hello Time interval.
  2. When network topology is stable, BPDU packets will be transmitted periodically.
  3. When the port does not receive new BPDU within a certain interval, the old configuration BPDU will time out and the link failure can be detected.
  4. The port sends Configuration BPDU at every Hello Time interval. When the link fails, Configuration BPDU cannot be sent out. As a result, this port can detect the link failure.
Correct answer: D
Question 6
Which statement about the hybrid interface is true?
  1. A hybrid interface can only be connected to network device.
  2. A hybrid interface can only be connected to host.
  3. A hybrid interface can be connected to host or network device.
  4. A hybrid interface cannot be configured with VLAN ID.
Correct answer: C
Question 7
Which statements are true? (Choose three.)
  1. Port isolation is a mechanism that controls the access between switch interfaces.
  2. Port isolation is an isolation mechanism at the physical layer.
  3. Port isolation prevents the computers connected to different ports from accessing each other.
  4. Port isolation can be configured based on VLANs.
Correct answer: ABC
Question 8
  
On the RSTP network as shown in the figure, what RSTP operations will occur after the E1 port of SWB fails? (Choose three.)
  1. SWB deletes the MAC address entries with the E1 port as the destination interface.
  2. The spanning tree is recalculated and the E2 port is elected as the new root port.
  3. All the interfaces in forwarding state send topology change notifications (TCNs) to notify other switches of the topology change.
  4. All the non-edge ports in forwarding state send TCNs to notify other switches of the topology change.
Correct answer: ABD
Question 9
According to the MSTP protocol, each MST instance calculates an independent spanning tree by using the RSTP algorithm. 
  1. True
  2. False
Correct answer: A
Question 10
When the GVRP registration mode is FORBIDDEN, no VLAN can be created or registered on the interface. In addition, which VLANs are deregistered on the interface?
  1. All VLANs except VLAN 1
  2. All VLANs except VLAN 4095
  3. All VLANs
  4. All VLANs except the VLAN specified by the user
Correct answer: A
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