Updated Oct 17, 2022 Test Engine to Practice Test for H31-311_V2.5 Valid and Updated Dumps [Q14-Q38]

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Updated Oct 17, 2022 Test Engine to Practice Test for H31-311_V2.5 Valid and Updated Dumps

Exam Questions for H31-311_V2.5 Updated Versions With Test Engine

QUESTION 14
QinQ technology can be used when multiple users need to share the same VCTRUNK and use the same VLAN ID.

 
 

QUESTION 15
According to ITU-T’s recommendations, the requirement that the MSP switching time should be within 50ms is conditional. For example, the number of net elements on the entire ring network is less than 16.

 
 

QUESTION 16
In Recommendation ITU-T G.692, the allowable channel frequencies are based on the reference frequency (), and the channel spacing can be 100 GHz, 50 GHz or 25 GHz.

 
 
 
 

QUESTION 17
Which of the following is photolayer tracking? (Multiple Choices)

 
 
 
 

QUESTION 18
For MSPs, you need to set the MSP protocol ID for each NE. To ensure that each ID is unique, it is recommended to set the MSP protocol ID to the value that is compatible with the network element ID.

 
 

QUESTION 19
Which of the following is the meaning of “L” in the optical module parameter “L-64.2”

 
 
 
 

QUESTION 20
On OSN Series transmission devices, ethernet ports cannot access tagged and untagged frames at the same time

 
 

QUESTION 21
After configuring PDH on a per-net element basis, the full trace cannot be searched. Which of the following is a possible cause? (Multiple choice)

 
 
 
 

QUESTION 22
The number of ODU2e signals multiplexed into the ODU3 signal is the same as the number of ODU2 signals multiplexed into the ODU3 signal.

 
 

QUESTION 23
In the system control unit, which of the following databases does not lose data after a power failure? (Multiple choice).

 
 
 
 

QUESTION 24
Compared with dense wavelength division multiplexing (DWDM) systems, crude glass division multiplexing (CWDM) systems provide a certain amount of glass length and transmission distance within (kmkm), which greatly reduces system cost and has strong flexibility

 
 
 
 

QUESTION 25
Which of the following are the service board types for MSTP devices? (Multiple choice).

 
 
 
 

QUESTION 26
Optical module parameter “L-64.2” in “2” indicates which of the following working windows?

 
 
 
 

QUESTION 27
The backplane has two 48V power cords, and each board gets two -48V power supplies from the backplane. After combining the power supply via diodes, the various voltages required for each component are obtained by means of a DC/DC power module and a linear mane swap.

 
 

QUESTION 28
OTM nr.m consists of up to n ” multiplexed channels and does not support non-channel-related overhead. The letter “r” indicates a decrease in functionality.

 
 

QUESTION 29
The dual fiber ring topology consisting of three network elements is arranged in counterclockwise order as the service between A, B and C A and C occupies the first VC-48 on the short path VC-12 time slots, B and C of the same service also occupy the 48th of the first VC-4 on the short path VC-12 time slots

 
 
 
 

QUESTION 30
Which of the following is not a nonlinear effect?

 
 
 
 

QUESTION 31
The number of bit error blocks on each VC4 channel is detected by B3 on the receiving side. At the same time, the information is sent back to the sender via Q, and HP-REI and HP-FEBBE report on the sender.

 
 
 
 

QUESTION 32
On the NMS system, the network element performance monitoring time is set to () minutes and () hours.

 
 
 
 

QUESTION 33
When using the LCAS function, which of the following overhead bytes is used to transmit control information? (Multiple Choices)

 
 
 
 

QUESTION 34
Which of the following statements about the MST functional module is correct? (Multiple choice).

 
 
 
 

QUESTION 35
Which of the following is affected by changing the element ID of OSN3500 on NMS?

 
 
 
 

QUESTION 36
The AAC address consists of 46 bits and is globally unique
Which of the following – is the meaning of the eighth-digit MAC address with 1?

 
 
 
 

QUESTION 37
The1310nm and 1550nm transmission windows are low loss windows. In DWDM systems, only the 1560m transfer window is used. Which of the following is the main cause?

 
 
 
 

QUESTION 38
Which of the following clock operating modes supports the ITU-T G.781 standard? (Multiple choice).

 
 
 
 

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