H31-311 PDF Demo H31-311 Exam Download 2018.pdf - Huawei...

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Question: 1
When a fiber cut test is performed on a normal MSP ring, which of the following alarms is reported?
(Multiple Choice)
A. TU-AIS
B. R-LOS
C. APSJNDI
D. BD STATUS
Answer: BC
Question: 2
When a bridge uses the IVL learning mode, the entry in the MAC address table is created according to
the source MAC address and source port of the data frame. This entry is valid for all VLANs.
A. TRUE
B. FALSE
Answer: B
Question: 3
Compared with a dense wavelength division multiplexing (DWDM) system, a coarse wavelength division
multiplexing (CWDM) system provides a certain number of wavelengths and a transmission distance
within ( ) km, which greatly reduces system cost and has strong flexibility.
A. 50
B. 100
C. 200
D. 20
Answer: B
Question: 4
The SNCP switching speed can be improved if you classify the SNCP services that have the same source,
sink, or route into groups.
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A. TRUE
B. FALSE
Answer: A
Question: 5
The standard Ethernet frame length should not be less than 64 bytes. Which of the following factors
cause this limitation? (Multiple Choice)
A. Minimum transmission distance
B. Maximum transmission distance
C. Working mechanism of conflict detection
D. MAC address
Answer: BC
Question: 6