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Question No : 1
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.
Question No : 2
Question No : 3
Question No : 4
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
Question No : 5
Question No : 6
A. receiving sensitivity
B. the overload point
D. -20dB spectral width
Question No : 7
A. AUX £¨ OptiX OSN6800 £©
B. EFI1 £¨ OptiX OSN8800 T32 £©
Question No : 8
Question No : 9
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
Question No : 10
Question No : 11
Question No : 12
A. cable connection information between NEs
B. Uploaded configuration data
C. Protect subnet information
D. Path information
Question No : 13
A. Complete Och path
B. Complete ODU1 path
C. Complete OMS path
D. Complete OSC path
Question No : 14
Question No : 15
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