H31-311_V2.5 Sample Practice Exam Questions 2024 Updated Verified
Exam Study Guide Free Practice Test LAST UPDATED H31-311_V2.5
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NEW QUESTION # 23
Which of the following layers define the protocols that control the network layer? The protocol for this layer applies to logical links, i.e. end-to-end connectivity between two devices.
- A. Application layer
- B. Transport Layer
- C. Network layer
- D. Data link layer
Answer: B
NEW QUESTION # 24
Which of the following logic function blocks are involved in processing clock signals? (Multiple choice).
- A. RST
- B. SETS
- C. MCF
- D. SPl
Answer: B,D
NEW QUESTION # 25
When configuring LMSP, there are two switching modes: single-ended switching and double-ended switching. Single-ended switching does not require the protection protocol to be enabled.
- A. True
- B. Error
Answer: A
NEW QUESTION # 26
Optical module parameter "L-64.2" in the "2" indicates which of the following working windows?
- A. 1550hm
- B. 1310 nm
- C. 880 nm
- D. 1510tm
Answer: A
NEW QUESTION # 27
Which of the following statements about ODUk_PM_BDI is correct?
- A. ODUk PM part BIP8 bit error threshold crossover
- B. ODUk PM signal degradation
- C. O0UkpM follows the defect indication
- D. OD0kPM parallel connection indication
Answer: C
NEW QUESTION # 28
Array waveguide grating (AWG) multiplexer/multiplexer has the following advantages: short wavelength spacing, large number of channels and flat passband. Suitable for DWDM systems in ultra-high speed, large tubes.
- A. True
- B. Error
Answer: A
NEW QUESTION # 29
What are the basic features of the U2000? Multiple Choices
- A. Performance management
- B. Topology management
- C. Security management
- D. Alarm management
Answer: A,B,C,D
NEW QUESTION # 30
Some SNCP protection inversion conditions are default, such as AU-AIS and TU-AIS. Other conditions are optional, such as HP-TIM and HP-SLM. Optional conditions can be flexibly set according to the level of the costume.
- A. True
- B. Error
Answer: A
NEW QUESTION # 31
Which of the following is the basic requirement of the DWDM system in the light source?
- A. The launch function is very high
- B. Use the direct modulation method
- C. Low dispersion tolerance.
- D. output wavelength stabilization
Answer: D
NEW QUESTION # 32
The TAG attribute cannot be set for the internal port VCTRUNK of the single board on the NMS.
- A. False
- B. True
Answer: A
NEW QUESTION # 33
Which of the following statements about signal label byte C2 are incorrect?
- A. The A.C2 byte is used to indicate the multiplexed structure and payload properties of the VC frame.
- B. If the check to C2 byte does not match, the LP-SLM alarm is reported in the corresponding VC-4 channel.
- C. C2=00H Jizong VC4 is not equipped.
- D. The C2 section to be sent must match the C2 bytes to be received.
Answer: B
NEW QUESTION # 34
In a 2.5GMSP ring consisting of four MSTP sites, which of the following statements about alarm reports is correct when a protection switchover occurs?
- A. PS Alarms are reported on the tributary board.
- B. Report APS-INDl alerts on the system dashboard.
- C. APS-INDI alarms are reported on the xCS board. .
- D. Report APS-INDI alarms on the board.
Answer: C
NEW QUESTION # 35
When using a script to back up and restore network configuration data for the U2000, you can change the directory where the export file is saved.
- A. False
- B. True
Answer: A
NEW QUESTION # 36
Measure the error correction capability of fec with encoded gain. Which of the following statements about the coding gain is incorrect?
- A. The error correction capability of B.FEC increases with coding gain.
- B. When ber is constant, the OSNR saved by correcting the encoding is called the encoding gain.
- C. The coding gain of the in-band FEC is greater than the coding gain of the out-of-band FEC
- D. The coding gain of D.AFEC is greater than the coding gain of FEC.
Answer: C
NEW QUESTION # 37
The dual fiber ring topology consisting of three network elements is arranged in counterclockwise order as the service between A, B and C A and C occupies the first VC-48 on the short path VC-12 time slots, B and C of the same service also occupy the 48th of the first VC-4 on the short path VC-12 time slots
- A. Bidirectional MSP ring
- B. SNCP ring
- C. Unidirectional path protection ring
- D. All of the above
Answer: A
NEW QUESTION # 38
In the frame structure of the SDH signal, there are large overhead bytes for operation, management, and maintenance (OAM). Overhead bytes account for all bits () of the entire frame and greatly enhance the monitoring capabilities of the network.
- A. 1/20
- B. 1/10
- C. 1/30
- D. 1/40
Answer: A
NEW QUESTION # 39
When the SNCP ring consisting of four Optis OSN 2500 devices has a rate of 25 Gbt/s, the network's service answer stars can carry up to ()2Mt/s Signal.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION # 40
Which factors determine the optical signal-to-noise ratio (OSNR) of the receiving end to a certain extent After the signal transmission in the WOM system is transmitted over a certain distance, the "oSNR" of the receiving end of the optical signal-to-noise ratio is reduced to a certain extent. Which of the following is the main cause?
- A. Use of multi-density multiplexers and multiplexers.
- B. Optical fiber attenuation is too high.
- C. Use EDFA. ).
- D. Do not use new optical fibers.
Answer: C
NEW QUESTION # 41
Which of the following technologies is the main difference between an open DWDM system and an integrated DWDM system?
- A. Optical release technology
- B. Multiplexing/multiplexing technique
- C. Wavelength conversion techniques
- D. Optical supervision technology
Answer: C
NEW QUESTION # 42
Which of the following are the components of the WDM system summer with N glass lengths? (Multiple choice).
- A. Supervisory unit
- B. Optical transponder unit
- C. optical amplifier unit
- D. Wavelength division multiplexing unit)
Answer: A,B,C,D
NEW QUESTION # 43
Configuring the EPLAN service as a ring is not recommended. If the EPLAN service is configured as a ring network, the STP protocol must be enabled on the network to prevent broadcast storms.
- A. True
- B. Error
Answer: A
NEW QUESTION # 44
The AAC address consists of 46 bits and is globally unique
Which of the following - is the meaning of the eighth-digit MAC address with 1?
- A. Multicast address
- B. unicast address
- C. Broadcast address
- D. Double-click the address
Answer: A
NEW QUESTION # 45
When the ACT indicator of the SDH board is off, it means that the board has a hardware failure and cannot be used.
- A. False
- B. True
Answer: A
NEW QUESTION # 46
Which of the following statements about the OTM-n .m and OTMnr .m for OTN are incorrect?
- A. m indicates the rate. The value can be 1, 2, or 3. .
- B. r represents OTM., which does not have OSC capabilities
- C. n represents the number of wavelengths carried by the maximum capacity
- D. OTM-nr .m with OSC signal is OTM-n.m.
Answer: A
NEW QUESTION # 47
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