H31-331-ENU Questions And Answers
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Exam Name: Huawei Certified Network Professional-OTN Transmission
Updated: 2021-01-25
Q & A: 186
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Question No : 1
All network element detached of NG WDM subnet in U2000 network management , report NE_COMMU_BREAK, NE_NOT_LOGIN and GNE_CONNECT_FAIL alarm in U2000 network management, the business is not affected. According to the fault phenomena, which of the following is possible reason? (Select 5 Answers)
A. gateway network element fault
B. cable connection interruption or HUB port damaged between gateway network element and HUB
C. gateway network element IP modify by mistake
D. the line cable fault
E. scenario without master and Standby gateway network element, gateway network element is making the operations of main control panel master and standby switching.
F. scenario with master and Standby gateway network element, the main used gateway network element is making the operations of main control panel master and standby switching.
A. gateway network element fault
B. cable connection interruption or HUB port damaged between gateway network element and HUB
C. gateway network element IP modify by mistake
D. the line cable fault
E. scenario without master and Standby gateway network element, gateway network element is making the operations of main control panel master and standby switching.
F. scenario with master and Standby gateway network element, the main used gateway network element is making the operations of main control panel master and standby switching.
Answer: ABCEF
Question No : 2
When configuring GE services, a business in a direction of the sender and receiver configuration of the business type can be different.
A. True
B. False
A. True
B. False
Answer: B
Question No : 3
Which of the following light loss alarm does not cause business interruption? (Multiple choice)
A. CHAN_LOS
B. R_LOS
C. MUT_LOS
D. OSC_LOS
A. CHAN_LOS
B. R_LOS
C. MUT_LOS
D. OSC_LOS
Answer: AD
Question No : 4
Which is the following for the loopback operation, which is wrong?
A. loopback operation will affect the normal business, it is recommended when the small amount of business use
B. loopback operation, no need to pay attention to whether the dispersion compensation system requirements
C. Loopback method is suitable for the range of known faults, the fault range is divided into two sections, were excluded. It can eliminate the fault for the board failure, line failure
D. Use a fixed or adjustable light failure during loopback operation
A. loopback operation will affect the normal business, it is recommended when the small amount of business use
B. loopback operation, no need to pay attention to whether the dispersion compensation system requirements
C. Loopback method is suitable for the range of known faults, the fault range is divided into two sections, were excluded. It can eliminate the fault for the board failure, line failure
D. Use a fixed or adjustable light failure during loopback operation
Answer: B
Question No : 5
When no optic road between two or more gateways, can use NE's ethernet port to achieve extended ECC communication. NE default is automatically extended ECC communication. When the number of Huawei equipment NE using extended ECC communication is greater than 4, then must use artificial extended ECC communication.
A. True
B. False
A. True
B. False
Answer: A
Question No : 6
The following indicators, which is not OTU indicator?
A. receiving sensitivity
B. the overload point
C. isolation
D. -20dB spectral width
A. receiving sensitivity
B. the overload point
C. isolation
D. -20dB spectral width
Answer: C
Question No : 7
Which of the following veneers will cause the existing network business interruption in the process of replacement?
A. AUX £¨ OptiX OSN6800 £©
B. EFI1 £¨ OptiX OSN8800 T32 £©
C. SC2
D. NS2
A. AUX £¨ OptiX OSN6800 £©
B. EFI1 £¨ OptiX OSN8800 T32 £©
C. SC2
D. NS2
Answer: D
Question No : 8
In the optical line protection of the NG WDM 40G system, which of the following alarm will trigger the optical line protection switch?
A. R_LOS
B. MUT_LOS
C. OTU3_LOF
D. OTU3_PM_DEG
A. R_LOS
B. MUT_LOS
C. OTU3_LOF
D. OTU3_PM_DEG
Answer: B
Question No : 9
U2000 network management provide basic configuration data management functions, the following on the synchronization and upload, which is wrong?
A. Synchronization is upload inconsistent data content (conflict data, NE side have date but NMS side does not have) to the network management side.
B. upload is the NE side data reported to NMS side, covering the corresponding NMS side of the network element data
C. For the network management side have data but NE side does not have the data, synchronization and upload are not deleted
D. When synchronizing, the same data as NMS side and NE side are also uploaded
A. Synchronization is upload inconsistent data content (conflict data, NE side have date but NMS side does not have) to the network management side.
B. upload is the NE side data reported to NMS side, covering the corresponding NMS side of the network element data
C. For the network management side have data but NE side does not have the data, synchronization and upload are not deleted
D. When synchronizing, the same data as NMS side and NE side are also uploaded
Answer: D
Question No : 10
When the optical power adjustment mode is set to auto mode, the user is allowed to adjust the attenuation of the attenuator.
A. True
B. False
A. True
B. False
Answer: B
Question No : 11
Which layer's overhead is the segment monitoring overhead SM in?
A. OPUK
B. ODUK
C. OTUK
D. OMS
A. OPUK
B. ODUK
C. OTUK
D. OMS
Answer: C
Question No : 12
Which of the following does not belong to the network-side network layer data?
A. cable connection information between NEs
B. Uploaded configuration data
C. Protect subnet information
D. Path information
A. cable connection information between NEs
B. Uploaded configuration data
C. Protect subnet information
D. Path information
Answer: B
Question No : 13
If you want to establish a GE-level business path on the network, which of the following is not required?
A. Complete Och path
B. Complete ODU1 path
C. Complete OMS path
D. Complete OSC path
A. Complete Och path
B. Complete ODU1 path
C. Complete OMS path
D. Complete OSC path
Answer: D
Question No : 14
Network management does not support automatic synchronization of network element and network management time, must manually synchronized network element and network management time.
A. True
B. False
A. True
B. False
Answer: B
Question No : 15
If only one of the subnets in the network management tube off belongs to the other subnet network communication is normal, which can¡¯t be the following reasons?
A. Optical fiber misplaced or faulty
B. U2000 network management failure
C. Incorrectly change the gateway network IP address
D. The size of the network is too large and the size of ECC communication between the NEs exceeds the capacity of the NEs
A. Optical fiber misplaced or faulty
B. U2000 network management failure
C. Incorrectly change the gateway network IP address
D. The size of the network is too large and the size of ECC communication between the NEs exceeds the capacity of the NEs
Answer: B
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