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Penetration testers simulate H31-311_V2.5 exam PDF
NEW QUESTION # 373
According to the number of optical fibers between adjacent network element nodes, the self-healing ring can be divided into () and ()
Answer:
Explanation:
One-way loop |Two-way loop
NEW QUESTION # 374
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. The phase is the same or the phase difference remains constant
- B. Same vibration frequency
- C. Vibration direction is the same
- D. The vibration amplitude is the same
Answer: A,B,C
NEW QUESTION # 375
Which of the following communication protocols are used for DCN management of Huawei devices? (Multiple choice).
- A. OSl
- B. HWECC
- C. TCP/IP
- D. FTP
Answer: A,B,C
NEW QUESTION # 376
In the SDH frame structure, the trace bytes are J0, J1, and J2.
- A. False
- B. True
Answer: B
NEW QUESTION # 377
SDH equipment can judge the quality of the clock signal based on the S1 byte. The larger the S1 value, the higher the corresponding clock quality.
- A. True
- B. False
Answer: B
NEW QUESTION # 378
Automatic Laser Shutdown (ALS): When no optical signal is received, the ALS function automatically turns off the corresponding optical module. This feature protects field maintenance personnel.
- A. False
- B. True
Answer: B
NEW QUESTION # 379
If one device does not support auto-negotiation, but the other device does, the other device may operate in half-duplex mode (Q107).
- A. False
- B. True
Answer: B
NEW QUESTION # 380
Which of the following optical loss alarms will not cause service interruption? (Multiple choice)
- A. OSC_LOS
- B. CHAZ_LOS
- C. MUT_LOS
- D. R_LOS
Answer: A,B
NEW QUESTION # 381
Which of the following IP addresses is a Class C IP address?
- A. 10.110.192.111
- B. C2.A8.D2.e1
- C. 127.0.0.1
- D. 10011010.01101110.10000000.01101111
Answer: B
NEW QUESTION # 382
In a small network, the function of an OptiXtrans DC908 is equivalent to that of a high-density electrical layer device FOADM + OLA.
- A. False
- B. True
Answer: B
NEW QUESTION # 383
What of the following operations may interrupt the network element service? (Multiple choice).
- A. Activate the trail
- B. Download the network metadata
- C. search protects the subnet
- D. Look for trails
Answer: A,B
NEW QUESTION # 384
The information net load area contains not only business information, but also some channel overhead for monitoring low-speed signals.
- A. False
- B. True
Answer: B
NEW QUESTION # 385
Which of the following VLAN numbers can be provided by QINQ technology?
- A. 4096*1024
- B. 4095*4095
- C. 0
- D. 1024*1024
Answer: B
NEW QUESTION # 386
Which overhead below 112 is not ODUk overhead?
- A. APs/PCc
- B. Traditional Chinese Medicine
- C. PM
- D. NJO
Answer: D
NEW QUESTION # 387
Which of the following is the default WTR time for MSP switching?
- A. 12 minutes
- B. 10 minutes
- C. 6 minutes
- D. 15 minutes
Answer: B
NEW QUESTION # 388
When the low-level resources of the device are insufficient, which of the following measures can be taken? (Multiple choice).
- A. Configure VC4 Server Path
- B. Configure the VC4 service. .
- C. Combine available low-level resources. (.)
- D. Use a crossover connection board with a large low-level cross-connection
Answer: B,C,D
NEW QUESTION # 389
Which of the following alarms are reported by the peer end when a bit error is detected in the B2 byte?
- A. MS-BBE
- B. RS-BBE
- C. MS-FEBBE
- D. MS-AIS
Answer: C
NEW QUESTION # 390
Which of the following statements about the OTM-n .m and OTMnr .m for OTN are incorrect?
- A. n represents the number of wavelengths carried by the maximum capacity
- B. OTM-nr .m with OSC signal is OTM-n.m.
- C. m indicates the rate. The value can be 1, 2, or 3. .
- D. r represents OTM., which does not have OSC capabilities
Answer: C
NEW QUESTION # 391
When there is a Critical False In Seconds (SES) in the PM portion of the ODUk layer, which of the following alarms is reported by NMS?
- A. ODUk_PM_SES
- B. ODUk_PM_SESR
- C. ODUk_PM_ES
- D. ODUk_PM_UAS
Answer: A
NEW QUESTION # 392
Which of the following statements about overhead bytes is wrong?
- A. E1 and E2 are wire bytes. These bytes are used to provide a voice channel for order line connections.
- B. A1 and A2 are framing bytes. These bytes are used to separate STM-1 frames in the signal stream.
- C. B1 is Bit Interleaved Parity-8 (BIP-8). This byte is used to monitor bit errors in the regenerator layer.
- D. JO is the regenerator section tracking byte. This byte is used to repeatedly transmit the segment access point identifier so that the receiving end can verify its continuous connection with the specified transmitting end.
Answer: B
NEW QUESTION # 393
After mapping and multiplexing, 4 ODU2 signals can be multiplexed into 1 OTU3[V] signal. For ODU2e signals, only 3 signals are needed to be multiplexed into 1 OTU3[V] signal.
- A. False
- B. True
Answer: B
NEW QUESTION # 394
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