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خذ اختبارات أخرى عبر الإنترنت
السؤال #1
Which of the following statements about ODUflex are true?
A. sers can flexibly configure the ODUflex capacity based on the service volume
B. he ODUflex rate is defined as N x 1
C. DUflex improves bandwidth utilization
D. he TOA board does not support ODUflex
عرض الإجابة
اجابة صحيحة: AC
السؤال #2
Which of the following are not features of WDM network expansion?
A. Increased network complexity
B. No impact on existing services during the expansion
C. Maximized protection of existing investment
D. It takes a long time
عرض الإجابة
اجابة صحيحة: AD
السؤال #3
FXS and FXO are the names of the ports used by analog telephone lines. FXO ports and FXS ports are always used in pairs.
A. True
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #4
Dispersion compensation is not required for 40 Gbit/s and 100 Gbit/s coherent systems because the dispersion tolerance of coherent boards is large. NG WDM products do not support hybrid transmission of non-coherent and coherent networks.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #5
When creating a Client path using the path method, if the RL0S alarm is generated on the line card, the path cannot be created.
A. ALSE
B. RUE
عرض الإجابة
اجابة صحيحة: A
السؤال #6
The wave division system complement to chromatic dispersion mainly adopts the DCM compensation method. The following statements about DCM dispersion compensation, which is wrong?
A. mproper configuration of the DCM will result in degradation of the receiving end performance
B. he DCM module is more likely to cause nonlinearity than the line transmission fiber, so it is necessary to strictly control its fiber-optic power
C. 0G system with line fiber length less than 400km, G
D. mproper configuration of the DCM will result in degradation of the system signal-to-noise ratio
عرض الإجابة
اجابة صحيحة: C
السؤال #7
The EDFA amplifies service signals and brings noise to the system. It is the main source of noise.
A. rue
B. alse
عرض الإجابة
اجابة صحيحة: A
السؤال #8
For hybrid transmission of 100G-and-beyond and 10G signals, it is recommended that the optical power of 100G and beyond signals be higher than that of 10G signals but not higher than the single-wavelength nominal value of an OA board.
A. TRUE
B. FALSE
عرض الإجابة
اجابة صحيحة: A
السؤال #9
Customer Example 1+1 protect when using different routes, the same wavelength cannot be used for the working wavelength and the guard wavelength.
A. ALSE
B. RUE
عرض الإجابة
اجابة صحيحة: A
السؤال #10
A common WDM service can be converted into an ODUk SNCP service. However, an ODUk SNCP service will be interrupted when it is converted into a common WDM service.
A. TRUE
B. FALSE
عرض الإجابة
اجابة صحيحة: A
السؤال #11
Which of the following is not an advantage of OTN?
A. APowerful out-of-band FEC is provided
B. B2 Mbit/s to 400 Gbit/s service interfaces can be provided
C. CA maximum of five levels of nested or overlapped TCM connection monitoring are provided
D. DThe requirement for Tbit/s bandwidth per fiber using the WDM function is met
عرض الإجابة
اجابة صحيحة: C
السؤال #12
Which of the following trails can be configured on the NMS.
A. OTS
B. ODUk
C. client
D. OCh
عرض الإجابة
اجابة صحيحة: A
السؤال #13
FOADM includes parallel FOAD and serial FOADM, both supporting 40 waves or 80 waves of arbitrary wavelengths.
A. ALSE
B. RUE
عرض الإجابة
اجابة صحيحة: A
السؤال #14
Lower ground resistance indicates better grounding, that is, faster conduction of current to the ground.
A. TRUE
B. FALSE
عرض الإجابة
اجابة صحيحة: A
السؤال #15
Which of the following is not an advantage of WDM?
A. Transparent transmission of data
B. Various overheads
C. Ultra-large capacity and ultra-long haul transmission
D. Flexible, economical, and reliable networking
عرض الإجابة
اجابة صحيحة: D
السؤال #16
Which of the following protection schemes require the APS protocol?
A. ODUk SPRing protection
B. ODUk SNCP
C. SW SNCP
D. 1:1 optical line protection
عرض الإجابة
اجابة صحيحة: C
السؤال #17
Which of the following are not features of WDM network expansion?
A. Increased network complexity
B. No impact on existing services during the expansion
C. Maximized protection of existing investment
D. It takes a long time
عرض الإجابة
اجابة صحيحة: AD
السؤال #18
FXS and FXO are the names of the ports used by analog telephone lines. FXO ports and FXS ports are always used in pairs.
A. True
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #19
The OptiXtrans DC908 chassis can be a DC chassis or an AC chassis.
A. ALSE
B. RUE
عرض الإجابة
اجابة صحيحة: B
السؤال #20
When configuring the Ethernet Layer 2 attribute, set the Default VLAN ID and VLAN Priority of the untagged frame when the TAG ID is set to Accese or Hybrid. The "VLAN priority" is set according to the QoS of the unified plan.
A. ALSE
B. RUE
عرض الإجابة
اجابة صحيحة: B
السؤال #21
The OTUk_LOM alarm is generated when the out of multiframe (OOM) state lasts for 3 ms.
A. TRUE
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #22
Which of the following are not features of WDM network expansion?
A. Increased network complexity
B. No impact on existing services during the expansion
C. Maximized protection of existing investment
D. It takes a long time
عرض الإجابة
اجابة صحيحة: AD
السؤال #23
MPLS tunnel APS protection supports multiple types of command switching and has different priorities. Which of the following command switching types has the highest priority?
A. Locked Switching
B. Practice Switching
C. Force Switching
D. Manual Switching
عرض الإجابة
اجابة صحيحة: A
السؤال #24
Which of the following features is used by a laser to coherently receive optical signals and restore the amplitude, phase, and state of polarization information from the received signals?
A. Same oscillation direction
B. Same amplitude
C. Opposite oscillation directions
D. Same frequency
عرض الإجابة
اجابة صحيحة: D
السؤال #25
The OSN 8800 device is protected by fan redundancy. When any fan in the fan box is broken, the system can still operate normally for a long time.
A. ALSE
B. RUE
عرض الإجابة
اجابة صحيحة: A
السؤال #26
FXS and FXO are the names of the ports used by analog telephone lines. FXO ports and FXS ports are always used in pairs.
A. True
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #27
Which of the following protection schemes require the APS protocol?
A. ODUk SPRing protection
B. ODUk SNCP
C. SW SNCP
D. 1:1 optical line protection
عرض الإجابة
اجابة صحيحة: C
السؤال #28
Which of the following features is used by a laser to coherently receive optical signals and restore the amplitude, phase, and state of polarization information from the received signals?
A. Same oscillation direction
B. Same amplitude
C. Opposite oscillation directions
D. Same frequency
عرض الإجابة
اجابة صحيحة: D

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