[Apr 04, 2025] New Real H31-311_V2.5 Exam Dumps Questions
Pass Your H31-311_V2.5 Exam Easily with Accurate HCIA-Transmission V2.5 PDF Questions
To be eligible for the HCIA-Transmission V2.5 certification, candidates must have a basic understanding of transmission network technologies and should have some experience in the field. They must also have a good understanding of the principles of networking and be able to apply that knowledge to the field of transmission network technologies.
NEW QUESTION # 234
Which of the following elements does a data communication network have in terms of equipment?
(Multiple choice)
- A. Switching equipment
- B. End Device
- C. Core equipment
- D. Transmission System
Answer: A,B,D
NEW QUESTION # 235
What are the main losses of optical fiber? (Multiple choice)
- A. Bending loss
- B. Absorption loss
- C. Scattering loss
- D. Reflection loss
Answer: A,B,C
NEW QUESTION # 236
Which of the following statements about overhead bytes is incorrect?
- A. E1 and E2 are wired bytes. These bytes are used to provide a voice channel for order line connections.
- B. A1 and A2 are framed bytes" These bytes are used to separate STM-1 frames in the signal stream. .
- C. B1 is better than holding interleaved parity 8 (BIP-8). This byte is used to monitor for bit Falses in the regenerator section layer.
- D. J0 is the regenerator part trace byte. This byte is used to resynch the send segment access point identifier so that the receiving end can verify its continuous connection to the specified sender.
Answer: B
NEW QUESTION # 237
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. True
- B. False
Answer: B
NEW QUESTION # 238
Which of the following descriptions about the TNG2M 402D board is wrong?
- A. M402D can realize the wavelength division side optical signal in the extended C band 50GHz interval
96 wavelength range domestically adjustable - B. Dual-channel 100 Gbit/s wavelength conversion board
- C. Support ASON function of optical layer
- D. Support ODUk SNCP protection and client side 1+1 protection
Answer: C
NEW QUESTION # 239
By default, a B2-EXC alarm is reported when the number of B2 bit errors exceeds the () threshold.
- A. 0.001
- B. 0000000001
- C. 0.01
- D. 0.00001
Answer: A
NEW QUESTION # 240
The information net load area contains not only business information, but also some channel overhead for monitoring low-speed signals.
- A. True
- B. False
Answer: A
NEW QUESTION # 241
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.
- A. True
- B. False
Answer: A
NEW QUESTION # 242
Which of the following descriptions of ODUK_PM_BDI is correct?
- A. ODUk PM backward defect indication
- B. ODUk PM open connection indication
- C. ODUk PM signal degradation
- D. BIP8 bit error exceeds the limit in the ODUk PM segment
Answer: A
NEW QUESTION # 243
The maximum transmission distance of Ethernet depends on factors such as line quality and signal attenuation.
- A. True
- B. False
Answer: A
NEW QUESTION # 244
The rate of STM-0 is 51.84Mbit/s; (STM-0 is used for digital microwave).
- A. True
- B. False
Answer: A
NEW QUESTION # 245
The number of bit False 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.
- A. K3 (b1-b4)
- B. G1 (b1-b4)
- C. G1 (b5-b8
- D. J(bt-4)
Answer: B
NEW QUESTION # 246
Which of the following descriptions about ROADM are correct? (Multiple choice)
- A. Wavelength adjustment at ROADM sites requires on-site support from maintenance personnel
- B. NG WDM equipment supports fixed spectrum ROADM and flexible spectrum Flexible ROADM
- C. ROADM can balance the optical power of the wavelengths of pass-through and add-on
- D. ROADM technology uses network management software to send configurations to adjust wavelengths and adjust the pass-through status.
Answer: B,C,D
NEW QUESTION # 247
Which of the following statements about the sequence of signal flow between SDH interfaces and cross-connect units are correct?
- A. SPIRST
- B. SPIMSPMSA
- C. SPTMSTMSARSTMSPHPT
- D. SPICMSTRST
Answer: B
NEW QUESTION # 248
Which of the following are communication quality alerts? (Multiple choice)
- A. No user logged in to the network element
- B. Optical port loopback
- C. NE Communications
- D. Loss of optical signal
Answer: C,D
NEW QUESTION # 249
Which of the following statements regarding multiplexing partial remote False indication (MS-REI) is correct?
(1) B2 bytes indicate the transmission channel.
(2) The M1 byte represents the transmission channel
(3) THE MS-REl is sent from the receiver to the source.
(4) MS-REI is transmitted from the source to the receiver.
(5) Indicates the number of bit Falses detected by the receiver after receiving the MS signal.
- A. (2) (4) (5)
- B. (1) (3) (5)
- C. (1) (4) (5)
- D. (2) (3) (5)
Answer: D
NEW QUESTION # 250
Which of the following bytes in the regenerator part overhead are associated with R-OOF and R-LOF?
(Multiple Choices)
- A. A2 ()
- B. B1.
- C. B2
- D. A1
Answer: A,D
NEW QUESTION # 251
When the optical fiber between node A and node B is open, the RU on node A detects the OTS_LOS alarm and inserts the OTS_BDI alarm into node A. The RU on node A reports the OTS_BDI alarm, and the line board on the downstream node C reports the O Ch_SSF alarm.
- A. True
- B. False
Answer: A
NEW QUESTION # 252
OChr means the use of electrical monitoring technology.
- A. True
- B. Error
Answer: A
NEW QUESTION # 253
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To pass the Huawei H31-311_V2.5 certification exam, candidates need to possess a solid understanding of transmission network principles, technologies, and protocols. They should also have practical experience in operating, maintaining, and troubleshooting transmission networks. Candidates can prepare for the exam by attending training courses, reading study guides, and taking practice tests. Huawei also offers online training resources that provide candidates with the necessary knowledge and skills to pass the exam.
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