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Question No : 1
A. Compared with the diamond business, gold business bandwidth utilization is higher
B. The working resources of the TE link can be used
C. gold business is also called re-routing business
D. Gold business re-routing time is independent of device type
Question No : 2
Question No : 3
A. General dust screen can be directly pulled out
B. Paste the sponge on the dust shield can not be torn directly after the water rinse
C. After the cleaning process is complete, reattach the sponge to the dust shield
D. Cleaning the dust screen is usually 6 months at a time.
Question No : 4
A. All external BITSs are assigned a clock ID
B. All internal clock sources with external BITS nodes are assigned a clock ID
C. All the nodes internal clock sources that enter into another ring network from the chain or the ring network are assigned a clock ID
D. All the nodes that enter into another ring network from the chain or the ring network, If there is a ring line clock source in the clock trace level, the line clock source of the incoming ring should be assigned a clock ID, for example, the clock ID is set to 16.
Question No : 5
Question No : 6
Question No : 7
Question No : 8
Question No : 9
A. The configuration of the path will lead to configuration failure, prompt "slot conflict"
B. The query path resource is not complete on the network management
C. can not manage based on path, including fault location, diagnosis and maintenance, etc
D. Timeslot assignment graph display is not accurate
E. Search path will generate conflict path
Question No : 10
Question No : 11
A. Network element can not track the clock
B. Clock protection switching occurs frequently
C. Network element reports alarm of clock signal loss
D. The generation of pseudo-synchronization phenomenon
Question No : 12
A. Protection group parameter configuration is wrong
B. Protect the board from failure
C. Intersection board failure
D. Main control board failure
Question No : 13
Question No : 14
A. The inner loopback is set on the opposite terminal E1 port.
B. Home Terminal has high-level alarms R_LOS, R_LOC, R_LOF, MS_AIS and so on.
C. The UP_E1_AIS and T_ALOS alarms exist on the opposite terminal branch board.
D. Home Terminal branch board failure.
E. Home Terminal cross clock board failure.
Question No : 15
A. ES (Errored Second): When one second time occur one or more than one errored block, it is called ES.
B. SES (Severe Error Block Second): in one second time contain at least 30% errored block or at least occur one critical disturbance period (SDP event)
C. CSES (continuous severe error block second): that the continuous X SES, X is between 2 to 10.
D. BBE (background block error): refers to the deduction of unavailable seconds and SES period after all the error blocks left by the error block.