Download Huawei Certified Datacom Professional - Fast Certification - ENU.H12-224.ActualTests.2024-02-15.212q.vcex

Vendor: Huawei
Exam Code: H12-224
Exam Name: Huawei Certified Datacom Professional - Fast Certification - ENU
Date: Feb 15, 2024
File Size: 2 MB
Downloads: 1
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Demo Questions

Question 1
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 2
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 3
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 4
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 5
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 6
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 7
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
Question 8
After an STP switch starts, it considers itself as the root switch. Which statements about BDPU parameter setting are true? (Choose three.) 
  1. The switch is the designated root.
  2. The designated cost is 0.
  3. The switch is the designated bridge.
  4. The designated port is 0.
Correct answer: ABC
Question 9
What are the same fields in RSTP BPDUs and STP BPDUs? (Choose two.) 
   
  1. TCN
  2. TC
  3. TCA
  4. All of the above
Correct answer: BC
Question 10
Which statement about ARP proxy is false?
  1. The ARP proxy, namely, the gateway, sends ARP request for the host. The MAC address in the ARP request packet is the MAC address of the host.
  2. The ARP proxy, namely, the gateway, sends ARP request for the host. The MAC address in the ARP request packet is the MAC address of its own interface.
  3. ARP proxy is also called promiscuous ARP or ARP hack.
  4. The ARP proxy allows the hosts on the networks with the same network ID to communicate with each other.
Correct answer: A
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