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Huawei H35-260 Practice Test - Questions Answers

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According to the IEEE 802JQ standard, where is the VLAN ID field on the Ethernet?

A.
Before source MAC address and destination MAC address
A.
Before source MAC address and destination MAC address
Answers
B.
Between the source MAC address and the destination MAC address
B.
Between the source MAC address and the destination MAC address
Answers
C.
After the source MA dog address and the destination MAC address
C.
After the source MA dog address and the destination MAC address
Answers
D.
not fixed
D.
not fixed
Answers
Suggested answer: C

What are the reasons for the R-Los alarm reported on the 0TU board?

A.
The local optical port is not used
A.
The local optical port is not used
Answers
B.
The local laser is turned off, resulting in no optical signal input
B.
The local laser is turned off, resulting in no optical signal input
Answers
C.
Broken fiber or line performance degradation
C.
Broken fiber or line performance degradation
Answers
D.
The receiving board at the local end is faulty, and the line receiving fails
D.
The receiving board at the local end is faulty, and the line receiving fails
Answers
Suggested answer: A, C, D

Which of the following light source technologies does the 100GOTU board use?

A.
Direct modulation light source
A.
Direct modulation light source
Answers
B.
Light source of EA modulation method
B.
Light source of EA modulation method
Answers
C.
MZ modulation light source
C.
MZ modulation light source
Answers
D.
Coherent reception modulation mode light source
D.
Coherent reception modulation mode light source
Answers
Suggested answer: D

The 802.1Q tag header contains a two-byte TPID. Which of the following is its standard value?

A.
8100
A.
8100
Answers
B.
8847
B.
8847
Answers
C.
8147
C.
8147
Answers
D.
88A8
D.
88A8
Answers
Suggested answer: A

Both the 1310nm and 1550nm transmission windows are low-loss windows. In the DWDM system, only the 1550nm transmission window is used. Which of the following options is the main reason?

A.
EDFA operating wavelength flat region includes this window
A.
EDFA operating wavelength flat region includes this window
Answers
B.
Small nonlinear effects in the 1550nm wavelength region
B.
Small nonlinear effects in the 1550nm wavelength region
Answers
C.
1550nm wavelength region is suitable for long distance transmission
C.
1550nm wavelength region is suitable for long distance transmission
Answers
D.
1550nm window loss is smaller than 1310nm window
D.
1550nm window loss is smaller than 1310nm window
Answers
Suggested answer: A

Which of the following alarms will be reported by the peer end when it is detected that the error code exceeds the limit in the B2 byte?

A.
MS-AIS
A.
MS-AIS
Answers
B.
RS-BBE
B.
RS-BBE
Answers
C.
MS-REI
C.
MS-REI
Answers
D.
MS-BBE
D.
MS-BBE
Answers
Suggested answer: C

In the CES service, which of the descriptions of "packet loading time" and "jitter buffer time" is wrong?

A.
The jitter buffer time represents the size of the buffer
A.
The jitter buffer time represents the size of the buffer
Answers
B.
Packet loading time refers to the length of time for PW packets to load TDM frames
B.
Packet loading time refers to the length of time for PW packets to load TDM frames
Answers
C.
Packet loading time, the configuration of NEs at both ends must be the same
C.
Packet loading time, the configuration of NEs at both ends must be the same
Answers
D.
The value of the packet loading time cannot be less than the jitter buffer time
D.
The value of the packet loading time cannot be less than the jitter buffer time
Answers
Suggested answer: D

DCM optical power debugging requires the input of DCM to be no greater than which of the following values?

A.
-2
A.
-2
Answers
B.
-3
B.
-3
Answers
C.
-4
C.
-4
Answers
D.
-5
D.
-5
Answers
E.
Translated from Chinese (Simplified) to English - www.onlinedoctranslator.com
E.
Translated from Chinese (Simplified) to English - www.onlinedoctranslator.com
Answers
Suggested answer: B

The DWDM system has extremely high requirements on the stability of the light source. Which of the following factors will affect the stability of the light source?

A.
Temperature
A.
Temperature
Answers
B.
Drive Current
B.
Drive Current
Answers
C.
Packaging
C.
Packaging
Answers
D.
Humidity
D.
Humidity
Answers
Suggested answer: A, B, C

The EDFA erbium-doped fiber amplifier is a key component of the new generation of optical fiber systems. Which of the following options are correct for the description of its advantages?

A.
High gain
A.
High gain
Answers
B.
High output power
B.
High output power
Answers
C.
The working wavelength is consistent with the minimum attenuation window of single-mode fiber
C.
The working wavelength is consistent with the minimum attenuation window of single-mode fiber
Answers
D.
Low noise figure
D.
Low noise figure
Answers
E.
Gain Flattening
E.
Gain Flattening
Answers
Suggested answer: A, B, C, D
Total 338 questions
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