ExamGecko
Login
Home / Huawei / H31-311 / List of questions
Ask Question

Huawei H31-311 Practice Test - Questions Answers, Page 12

Add to Whishlist

List of questions

Question 111

Report Export Collapse

Which of the following bytes in the regenerator section overhead are associated with R-OOF and

R-LOF?

(Multiple Choice)

Become a Premium Member for full access
  Unlock Premium Member

Question 112

Report Export Collapse

Which of the following are VLAN classification methods? (Multiple Choice)

Become a Premium Member for full access
  Unlock Premium Member

Question 113

Report Export Collapse

The TAG attribute cannot be set for the internal port VCTRUNK of the board on the NMS.

Become a Premium Member for full access
  Unlock Premium Member

Question 114

Report Export Collapse

The EPL service exclusively uses bandwidth on the line, which is highly secure. It is applicable to the private line application of VIP customers.

Become a Premium Member for full access
  Unlock Premium Member

Question 115

Report Export Collapse

The coherent receiver technology uses the local oscillator laser that has the same frequency as received signals to perform coherent processing and recovers the ( ) information from the received signals. (Multiple Choice)

Become a Premium Member for full access
  Unlock Premium Member

Question 116

Report Export Collapse

Optical supervisory channels are intended for the supervisory of WDM optical transmission systems. In ITU-T recommendations, 1510 nm wavelengths at a ( ) rate are preferentially used.

Become a Premium Member for full access
  Unlock Premium Member

Question 117

Report Export Collapse

In ITU-T G.692 recommendations, the allowed channel frequency is based on the reference frequency ( ) and the channel spacing can be 100 GHz, 50 GHz, or 25 GHz.

Become a Premium Member for full access
  Unlock Premium Member

Question 118

Report Export Collapse

Which of the following overheads is not an ODUk overhead?

Become a Premium Member for full access
  Unlock Premium Member

Question 119

Report Export Collapse

The difference between a dispersion compensation fiber and a common fiber is that the dispersion compensation fiber has a negative dispersion coefficient at ( ).

Become a Premium Member for full access
  Unlock Premium Member

Question 120

Report Export Collapse

Both PDH and SDH have globally unified standards.

Become a Premium Member for full access
  Unlock Premium Member
Total 186 questions
Go to page: of 19
Open VPLUS File
Convert VPLUS to PDF

Related questions

Which of the following is the multiplexing mode of SDH?
Which of the following are the main advantages of SDH? (Multiple Choice)
The interval between two adjacent pointer justification events is at least ( ) frames.
According to ITU-T recommendations, the requirement that the MSP switching time should be within 50 ms is conditional. For example, the number of NEs on an entire ring network is less than 16.
Forced switching, fiber cut switching, manual switching, and exercise switching are in the descending order of priority.
The pointer is used for alignment and indicates the start position of VC-n in the corresponding AU or TU frame. In this way, the receive end can correctly remove the corresponding VC from the STM-N, and then split the VC and C encapsulation to separate low-rate signals, such as PDH. That is, low-rate tributary signals can be directly dropped from the STM-N signal.
Which of the following factors determines that the optical signal-to-noise ratio (OSNR) at the receive end decreases to a certain extent After signals are transmitted for a certain distance in a WDM system, the optical signal-to-noise ratio (OSNR) at the receive end decreases to a certain extent. Which of the following is the main cause?
The last 256 columns in the OTN frame structure are FEC areas, which are used for forward error correction.
Which of the following is the frame structure of STM-16?
Frame-Mapped GFP (GFP-F) is a processing mode oriented to data coding blocks (such as Fiber Channel and ESCON).