During the structured network troubleshooting process, in which of the following phases is the fault reported or advertised to other departments? (Choose two.)
A. Fault identification
B. Information collection
C. Cause list
D. Troubleshooting assessment
Congestion management uses queue scheduling to manage and control traffic when traffic congestion occurs.
A. True
B. False
Which of the following statements regarding network maintenance work are true? (Choose two.)
A. For device software maintenance, onsite operations are allowed but only remote operations are recommended.
B. The device software running is closely related to services running on the device.
C. The external environment where hardware runs does not need special attention.
D. For device environment maintenance, maintenance personnel need to go to the site or even use some professional tools for observation and measurement.
Software upgrade operations are similar for Huawei datacom products. Therefore, before a software upgrade, you only need to briefly read the upgrade guide.
A. TRUE
B. FALSE
Which of the following items on the packing list need to be checked during unpacking and inspection? (Choose all that apply.)
A. Part number
B. Part model
C. Number of parts
D. Project name
If the number of checked goods is different from the number of goods on the packing list, you can unpack and inspect goods and then contact the vendor to handle the inconsistency.
A. TRUE
B. FALSE
The device installation procedure is as follows: Prepare tools -> Install mounting ears -> Install floating nuts and guide rails based on site requirements -> Install the device in the cabinet.
A. TRUE
B. FALSE
To improve Internet egress reliability, an enterprise uses multiple links to connect to different carrier networks. This mode requires attention to both the incoming and outgoing traffic paths. Otherwise, network quality may be affected.
A. TRUE
B. FALSE
In most cases, optical power is expressed in dBm. Which of the following values in dBm is supported by most optical transceiver devices to receive and identify data?
A. -30 dBm
B. -10 dBm
C. 10 dBm
D. 30 dBm
Which of the following scenarios is a loop test applicable to?
A. To test whether applications are properly connected
B. To test whether a routing protocol can prevent loops
C. To test whether a switch can prevent loops and broadcast
D. To test whether a physical link is disconnected
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