H31-311_V2.5 Exam Questions

Which of the following is the adjustment unit of AU-PTR?

Which of the following descriptions of the electrical layer multiplexing phase mapping steps of ODU0 is wrong?

Which of the following is protected by the channel protection ring?

The receiving end performs BIP-8 check on the received STM-16 frame before descrambling. The result of XOR with the B1 byte of the next STM-16 frame received is 10001100. This mean...

Regarding the comparison between Raman amplifier and EDFA, which of the following statements is wrong?

Which of the following networking forms supports additional service configuration?

Which of the following descriptions of ODUk_PM_BDI is correct?

What are the corresponding alarm objects of PWRA, PWRB, and PWRC on the SSN1GSCC board? Which of the following options is correct?

MPLS technology can be nested in multiple layers without any restrictions, and is only limited by (), which has good scalability. Which of the following is correct?

PWE3 is a Layer 2 service bearer technology that can simulate the basic behavior and characteristics of which of the following services as realistically as possible in a packet swi...

Which type of board does TQM belong to?

After the network sends a fiber cut, which of the following alarms does not appear in a 1+1 linear multiplex section protection configuration?

The frame structure of TU3 is a bit incomplete, and the gap needs to be filled. This can effectively prevent which of the following phenomenon?

What is the first condition that a network needs to have in order to have protection capabilities?

Which of the following descriptions of LCAS is wrong?

In the Windows operating system, the U2000 program's own log files are stored in which of the following directories of the U2000 installation drive?

For the 192.3THZ wavelength OTU board, which port of M40 is its output connected to?

Which of the following alarms will not generate corresponding alarms?

Which of the following is the common point between the two-fiber bidirectional multiplex segment shared protection ring and the four-fiber bidirectional multiplex segment protectio...

Which of the following network element forms can complete the cross-multiplexing and service addition and subtraction between branches and lines, and between lines?

Which of the following correctly describes the order in which the signal flow between the SDH interface and the cross-unit passes through the module units?

If there is no plug board on the hardware, which indicator light on the SSN1PQ1 will light up red?

Which part of the following is the network address of the Class B address 154.19.2.3?

Regarding the AU-AIS alarm, which of the following statements is correct?

Which of the following descriptions of the OTUk frame format is wrong?

Which of the following is the reason why the pump light output power of the RAMAN amplifier is very high?

In OTN, which of the following maintenance signals is transmitted from the downstream site to the upstream site?

The 1510nm optical monitoring channel can be effectively amplified after passing through EDFA.

The speed of SF64 and SL64 boards are both STM-64. Therefore, the two boards can be interconnected.

Manual configuration will clear the data on the NE side.

PDM uses a polarization beam splitter to split the laser into two perpendicular directions: x and y.

WDM multiplexes optical signals at multiple speeds (wavelengths) through one optical fiber for transmission. The digital signals carried by these optical signals must have the same...

On a Layer 2 switching device, if an Ethernet port is an Access port, the port can only receive Ethernet frames without VLAN tags or Ethernet frames with the same VLAN ID as the de...

During service configuration, there are two time slot modes. Huawei uses the staggered time slot mode by default.

SP3D board supports 63 E1 services

For MSP, 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 same value as NE D.

MSP is a network-level protection solution. MSP does not directly protect services, and even if there is no service on the MSP ring, MSP switching and recovery will not be affected...

Optical fiber loss includes bending loss, absorption loss and scattering loss.

Refers to the bit used to align and indicate the corresponding AU or VCr so that the fast end can correctly remove the independent VC from the STMN, and then separate the VC and C...

Only one TCM can be used at a site.

In MSP networking, when optical fiber is connected between sites, the east optical board of the site is connected to the west optical board of the downstream site, and these sites...

Which of the following statements is correct about the SSN1SEP1 service processing board?

Which of the following options is emitted from an ordinary light source, which has all possible vibration directions and is symmetrical to the direction of light propagation?

The switching mode of 1:N linear multiplexing segments is which of the following?

U2000 network management supports multiple external interfaces. When connecting with the network management of other manufacturers' equipment, which of the following interfaces can...

TMD E1 PWE3 encapsulation is used to solve the transmission of E1 services. What is the frame rate of E1 services per second? Which of the following is correct?

Which of the following does L refer to in the optical module parameter L-64.1?

What is the line code type of the commonly used SDH optical interface?

When transmitting Ethernet services, which of the following encapsulation protocols is used for mixed docking of devices from different manufacturers?

In the process of data service adjustment, we often use the PING command to verify whether the Ethernet service at both ends of the device is established. If the port with IP addre...