Huawei Transmission H31-311_V2.5 Dumps | Updated Nov 04, 2024 - TroytecDumps
Master 2024 Latest The Questions Huawei Transmission and Pass H31-311_V2.5 Real Exam!
NEW QUESTION # 298
QinQ technology can be used when multiple users need to share the same VCTRUNK and use the same VLAN ID.
- A. True
- B. Error
Answer: A
NEW QUESTION # 299
Bait-doped fiber amplifiers (EDFAs) are a key component of the new generation of optical communication systems. Which of the following is the feature of EDFA? Multiple Choice)
- A. Amplification of any wavelength
- B. High output meritorious service
- C. Low noise index
- D. High gain
Answer: B,C,D
NEW QUESTION # 300
E1 has three modes: framing, multi-framing and unframing. The main difference is the time slot used for transmitting valid data.
- A. True
- B. False
Answer: A
NEW QUESTION # 301
40Gbit/s and 100Gbits coherent systems do not require dispersion compensation because the dispersion tolerance of coherent boards is very large. NG WDM does not support mixed transmission of incoherent networks and coherent networks.
- A. False
- B. True
Answer: A
NEW QUESTION # 302
1:N linear multiplex section protection: when the working channel is unavailable, the service is switched to the protection channel for transmission, and the additional service originally transmitted on the protection channel is interrupted.
- A. True
- B. False
Answer: A
NEW QUESTION # 303
MSTP adds () and () interfaces and corresponding signal processing capabilities on top of the original SDH.
Answer:
Explanation:
A. TM|Ethernet
NEW QUESTION # 304
When 172.17.15.0/24 is subnetted using an extra 4 bits, which of the following addresses are legal subnet addresses? (Multiple choice)
- A. 172.17.15.8
- B. 172.17.15.96
- C. 172.17.15.0
- D. 172.17.15.248
- E. 172.17.15.40
Answer: B,C
NEW QUESTION # 305
What are the differences between AU pointer and TU pointer? (Multiple choice)
- A. The units of adjustment are different
- B. The bytes storing the pointer value are different
- C. The number of bits occupied by pointer values is different
- D. The scope of instructions is different
Answer: A,B,D
NEW QUESTION # 306
Which of the following are communication quality alerts? (Multiple choice)
- A. Optical port loopback
- B. No user logged in to the network element
- C. NE Communications
- D. Loss of optical signal
Answer: C,D
NEW QUESTION # 307
OptiX OSN3500 supports a variety of cross-boards. Depending on the board model, it provides
40G/80G/120G/200G high-order cross-capacity and 5G/20G/40G/120G low-order cross-capacity.
- A. True
- B. False
Answer: A
NEW QUESTION # 308
Which of the following different types of ESC are divided according to the principles of implementation?
(Multiple choice)
- A. None of the above
- B. insert DCC
- C. Pilot adjusts DCC
- D. Fixed frame structure DCC
Answer: C,D
NEW QUESTION # 309
The dispersion coefficient is the time delay difference caused by the optical wavelength signal passing through the unit length of optical fiber within the unit wavelength interval. Which of the following is the unit of the dispersion coefficient?
- A. ps/km.nm
- B. ps/nm.km
- C. ps/nm
- D. ps/km
Answer: B
NEW QUESTION # 310
When serious bit error seconds occur in the PM segment of ODUk, the network management will report the ODUk_PM_ES alarm.
- A. False
- B. True
Answer: A
NEW QUESTION # 311
In actual wavelength division systems, systems with rates of 100G and below are less affected by polarization mode dispersion.
- A. False
- B. True
Answer: A
NEW QUESTION # 312
TU-AIS is often encountered during network maintenance. Which of the following alarms can trigger a TU-AIS alarm? (Multiple choice)
- A. R-LOS
- B. 82-EXC
- C. AU-LOP
- D. HP-TIM
Answer: A,B,C,D
NEW QUESTION # 313
An unprotected chain consists of four net elements; ME1, NE2, NE3 and NE4.
Create an end-to-end VC4 path NE1-NE4 and add NE5 between NE2 and NE3 for capacity expansion.
The original configuration remains unchanged and no services are configured on the NE5.
In this case, the unprotected chain becomes NE1-NE2-NE5NE3-NE4, how many VC4 paths can be searched?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION # 314
The gain wavelength of the fiber Raman amplifier is determined by the wavelength of the pump light. As long as the wavelength of the pump source is appropriate, theoretically, signals of any wavelength can be amplified.
- A. True
- B. False
Answer: A
NEW QUESTION # 315
When the J1 byte does not match, an alarm () is reported and the service may be interrupted.
- A. LP_TEM
- B. HP_TIM
- C. HP_SLM
- D. RS_TEM
Answer: B
NEW QUESTION # 316
Two beams of light that meet the coherence condition are called coherent light. Which of the following options are referred to as the coherence condition here? (Multiple choice)
- A. Same vibration frequency
- B. Vibration direction is the same
- C. The vibration amplitude is the same
- D. The phase is the same or the phase difference remains constant
Answer: A,B,D
NEW QUESTION # 317
Which of the following descriptions about the MD02 board is wrong?
- A. The service type that can be accessed by the client is 100GE or OTU4
- B. The service types that can be accessed or output on the WDM side are OTU4 or OTUC2
- C. The board supports relay mode.
- D. The optical signal on the wavelength division side is adjustable within the 120 wavelength range of the ultra-wide C-band 50GHZ interval, supporting Flex Grid
Answer: D
NEW QUESTION # 318
WDM transmits optical signals multiplexed at multiple rates (wavelengths) through a single optical fiber, and the digital signals carried by these optical signals must have the same rate and data format
- A. False
- B. True
Answer: A
NEW QUESTION # 319
Which of the following operations may interrupt network element services? (Multiple choice)
- A. Search for protected subnets
- B. Finding a trail
- C. Out of use trails
- D. Download network data
Answer: C,D
NEW QUESTION # 320
Which of the following reasons will not cause the network management to report a MUT_LOS alarm?
- A. DMUX board out port failure
- B. The pigtail connecting the DMUX board out port and the OA board in port is faulty.
- C. OTU board failure
- D. OA board in port failure
Answer: C
NEW QUESTION # 321
Which of the following statements regarding the sequence of signal flows between the SDH interface and the cross-connecting unit is correct?
- A. SPT<> MS <> MSA<> RST > MSP<> HPT
- B. SPI <> RST <> MST <> MSP<> MSA <> HPT
- C. SPI <> RST <> MSA<> MSP<> MST <> HPT
- D. SPI <> MST<> RST <> MSA <> MSP >HPT
Answer: B
NEW QUESTION # 322
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