Download Huawei Certified Datacom Professional - Fast Certification - ENU.H12-224.ActualTests.2024-04-23.375q.vcex

Vendor: Huawei
Exam Code: H12-224
Exam Name: Huawei Certified Datacom Professional - Fast Certification - ENU
Date: Apr 23, 2024
File Size: 3 MB
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Demo Questions

Question 1
Which statements about QinQ are true? (Choose two.)
  1. QinQ saves VLANs on the public network.
  2. To avoid VLAN conflict, the customer must negotiate with the service provider before modifying the VLANs on its private network.
  3. When the service provider upgrades the network, the configurations on the user network do not need to be modified.
  4. All of the above
Correct answer: AC
Question 2
Which statement about port isolation configuration is false?
  1. Port isolation can be used for Layer 2 isolation.
  2. In port isolation mode, ports are isolated at Layer 2 but can communicate at Layer 3 by default.
  3. Before the port isolation function takes effect on an interface, the port isolation function must be enabled first.
  4. The port-isolate enable command can run in the system view.
Correct answer: D
Question 3
Which statements about MUX VLAN are true? (Choose two.)
  1. MUX VLAN contains a principal VLAN and subordinate VLANs. The principal VLAN and subordinate VLANs cannot communicate.
  2. MUX VLAN contains a principal VLAN and subordinate VLANs. The subordinate VLANs are classified into subordinate separate VLANs and subordinate group VLANs. The interfaces in the subordinate group VLAN can communicate with each other.
  3. The principal VLAN and subordinate VLANs can communicate.
  4. The interfaces of different subordinate separate VLANs can communicate with each other, but cannot communicate with the interfaces in the principal VLAN.
Correct answer: BC
Question 4
Two switches are directly connected to each other and they are working in full duplex mode. By default, RSTP will consider the link between the switches as point-to-point link.
  1. True
  2. False
Correct answer: A
Question 5
On the RSTP network with STP devices, which packets does an RSTP switch use to notify the STP switches of the topology change?
  1. RSTP BPDUs with the TC flag
  2. STP BPDUs with the TCN flag
  3. RSTP BPDUs with the TCA flag
  4. STP BPDUs with the TCA flag
Correct answer: B
Question 6
In RSTP, the port status can be discarding and learning. Which statements about the port status are true? (Choose two.)
  1. The port in discarding or learning state does not forward data frames.
  2. The port in discarding state does not learn MAC addresses.
  3. The port in learning state does not learn MAC addresses.
  4. All of the above
Correct answer: AB
Question 7
Which statement is true?
  1. The principal VLAN must be configured before subordinate VLANs.
  2. The MUX VLAN function takes effect without being enabled on an interface.
  3. In MUX VLAN, a VLAN can function as both principal VLAN and subordinate VLAN.
  4. The MUX VLAN can contain only one subordinate separate VLAN.
Correct answer: A
Question 8
A switching network has been enabled with STP protocol. To provide fast access speed to the file server for most of the users, the switch that is directly connected with file server is configured as the root bridge.
  1. True
  2. False
Correct answer: A
Question 9
Which of the following statements about STP is not true? 
  1. STP can manage redundant links.
  2. STP can block redundant links to eliminate loops
  3. STP can prevent temporary loss of connectivity
  4. STP can make LAN switch operate normally in a network with loops
Correct answer: C
Question 10
RSTP defines different ports compared with STP. Which of the following ports cannot work in forwarding state? (Choose all that apply.)
  1. Root Port
  2. Designated Port
  3. Backup Port
  4. Alternate Port
Correct answer: CD
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