Huawei H12-224
Huawei Certified Network Professional - Fast
Certification – ENU
Version: 4.0
, Huawei H12-224 Exam
QUESTION NO: 1
Which statements about QinQ are true? (Choose two.)
A.
QinQ saves VLANs on the public network.
B.
To avoid VLAN conflict, the customer must negotiate with the service provider before modifying
the VLANs on its private network.
C.
When the service provider upgrades the network, the configurations on the user network do not
need to be modified.
D.
All of the above
Answer: A,C
Explanation:
QUESTION NO: 2
Which statement about port isolation configuration is false?
A.
Port isolation can be used for Layer 2 isolation.
B.
In port isolation mode, ports are isolated at Layer 2 but can communicate at Layer 3 by default.
C.
Before the port isolation function takes effect on an interface, the port isolation function must be
enabled first.
D.
The port-isolate enable command can run in the system view.
Answer: D
Explanation:
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, Huawei H12-224 Exam
QUESTION NO: 3
Which statements about MUX VLAN are true? (Choose two.)
A.
MUX VLAN contains a principal VLAN and subordinate VLANs. The principal VLAN and
subordinate VLANs cannot communicate.
B.
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.
C.
The principal VLAN and subordinate VLANs can communicate.
D.
The interfaces of different subordinate separate VLANs can communicate with each other, but
cannot communicate with the interfaces in the principal VLAN.
Answer: B,C
Explanation:
QUESTION NO: 4
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, Huawei H12-224 Exam
As shown in the figure, when the link between SWC and LAND is faulty, through which path are
TCA BPDUs sent?
A.
From SWA to SWB
B.
From SWB to SWC
C.
From SWB to SWA
D.
From SWC to SWB
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Huawei Certified Network Professional - Fast
Certification – ENU
Version: 4.0
, Huawei H12-224 Exam
QUESTION NO: 1
Which statements about QinQ are true? (Choose two.)
A.
QinQ saves VLANs on the public network.
B.
To avoid VLAN conflict, the customer must negotiate with the service provider before modifying
the VLANs on its private network.
C.
When the service provider upgrades the network, the configurations on the user network do not
need to be modified.
D.
All of the above
Answer: A,C
Explanation:
QUESTION NO: 2
Which statement about port isolation configuration is false?
A.
Port isolation can be used for Layer 2 isolation.
B.
In port isolation mode, ports are isolated at Layer 2 but can communicate at Layer 3 by default.
C.
Before the port isolation function takes effect on an interface, the port isolation function must be
enabled first.
D.
The port-isolate enable command can run in the system view.
Answer: D
Explanation:
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, Huawei H12-224 Exam
QUESTION NO: 3
Which statements about MUX VLAN are true? (Choose two.)
A.
MUX VLAN contains a principal VLAN and subordinate VLANs. The principal VLAN and
subordinate VLANs cannot communicate.
B.
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.
C.
The principal VLAN and subordinate VLANs can communicate.
D.
The interfaces of different subordinate separate VLANs can communicate with each other, but
cannot communicate with the interfaces in the principal VLAN.
Answer: B,C
Explanation:
QUESTION NO: 4
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, Huawei H12-224 Exam
As shown in the figure, when the link between SWC and LAND is faulty, through which path are
TCA BPDUs sent?
A.
From SWA to SWB
B.
From SWB to SWC
C.
From SWB to SWA
D.
From SWC to SWB
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