(2025) H31-311_V2.5 Exam Dumps, Practice Test Questions BUNDLE PACK
Huawei Transmission Certification H31-311_V2.5 Sample Questions Reliable
NEW QUESTION # 303
For 100G (112Gbit/s) signal, the actual data baud rate is only 28G baud.
- A. True
- B. False
Answer: A
NEW QUESTION # 304
ROADM sites can support up to 9 dimensions using the TSMD9 board. If the number exceeds 9, it can be achieved by cascading WSMD9 boards.
- A. False
- B. True
Answer: A
NEW QUESTION # 305
What of the following operations may interrupt the network element service? (Multiple choice).
- A. Download the network metadata
- B. search protects the subnet
- C. Activate the trail
- D. Look for trails
Answer: A,C
NEW QUESTION # 306
The main difference between an open DWDM system and an integrated DWDM system is whether or not the following technologies are used?
- A. Optical Amplification Technology
- B. Wavelength conversion technology
- C. Optical Monitoring Technology
- D. Multiplexing and demultiplexing technology
Answer: B
NEW QUESTION # 307
Arrayed waveguide grating optical wavelength division multiplexing device has the advantages of small wavelength spacing, large number of channels, and flat passband. It is very suitable for use in ultra-high-speed, large-capacity wavelength division multiplexing systems.
- A. True
- B. False
Answer: A
NEW QUESTION # 308
Which of the following descriptions about the Ethernet frame structure is wrong?
- A. SFD: Start of Frame Delimiter, used to inform the receiving end that the next byte is the beginning of the frame
- B. FCS: Frame Check Sequence, length is 4 bytes
- C. Frames with a type field value of 0x0806 represent IP protocol frames
- D. The standard Ethernet frame length should be no less than 64 bytes
Answer: C
NEW QUESTION # 309
Which of the following is affected by changing the element ID of OSN3500 on NMS?
- A. NE time is out of sync.
- B. Network element communication is interrupted.
- C. Interruption of business.
- D. Restart your device.
Answer: B
NEW QUESTION # 310
Currently, the most commonly used signal is 2Mbit/s. Which of the following steps are involved in the process of multiplexing 2Mbit/s signals into STM-N? (Multiple choice)
- A. Add pointer
- B. Rate Adaptation
- C. Scrambling
- D. Add segment overhead
Answer: A,B,D
NEW QUESTION # 311
OTUk_LOF is an OTUk layer alarm, indicating OTUk frame loss. The FAS frame alignment overhead is detected. If the frame is out of sync for 5 ms, this alarm is reported. The alarm ends after the frame synchronization is restored for 5ms.
- A. False
- B. True
Answer: A
NEW QUESTION # 312
Which of the following alarms will not trigger an AU-AIS alarm?
- A. MS_AIS
- B. R_LOS
- C. B2_EXC
- D. AU_LOP
Answer: D
NEW QUESTION # 313
Which of the following businesses can support TPS protection? (Multiple choice)
- A. FE
- B. E1
- C. GE
- D. T1
Answer: B,D
NEW QUESTION # 314
The first to third layers of the OSI reference model are called the bottom layer, also known as the medium layer. The bottom layer is responsible for data transmission in the network. The fifth to seventh layers are called the high layer, also known as the host layer. Network interconnection devices are often located in the upper three layers and are implemented by a combination of hardware and software.
- A. False
- B. True
Answer: A
NEW QUESTION # 315
PDM uses a polarization beam splitter to divide the laser into two vertical directions: x and y.
- A. True
- B. False
Answer: A
NEW QUESTION # 316
Which logical function block generates the R-LOS alarm?
- A. SPI
- B. MSA
- C. MST
- D. RST
Answer: A
NEW QUESTION # 317
Which of the following statements regarding the sequence of signal flows between the SDH interface and the cross-connecting unit is correct?
- A. SPI <> MST<> RST <> MSA <> MSP >HPT
- B. SPI <> RST <> MST <> MSP<> MSA <> HPT
- C. SPT<> MS <> MSA<> RST > MSP<> HPT
- D. SPI <> RST <> MSA<> MSP<> MST <> HPT
Answer: B
NEW QUESTION # 318
From the formula: OTUk rate = 255/(39-k) × STM-N rate, we can get OTU4 rate = 255/235 × STM-N rate.
- A. True
- B. False
Answer: A
NEW QUESTION # 319
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 speed and data format.
- A. False
- B. True
Answer: A
NEW QUESTION # 320
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