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CCNP 300-415认证历年真题与练习测试，思科SD-WAN解决方案 | 思博网络

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问题 #1

The power OTN backbone communication network is mainly used to carry () services.

A. Scheduling Automation

B. Dispatch Phone

C. Data communication networkcorrect

D. SCADA

正确答案：C

问题 #2

OLTEA5801 supports a maximum of () service GPON ports

A. 4

B. 8correct

C. 16

D. 32

正确答案：B

问题 #3

Which of the following descriptions of railway business network security and reliability requirements are incorrect ?

A. TDM services and Ethernet services are physically isolated using different hard pipes

B. Different Ethernet subsystems use ODUk physical pipes to isolate services

C. E1 services are on the TDM plane, and IP services are on the packet plane. The encapsulation and forwarding efficiency of the two types of services are optimized.

D. Business interfaces tend to be IP-based, so physical isolation of business is no longer requiredcorrect

正确答案：D

问题 #4

Huawei Financial Data Center Transmission Solution FC Interface Maximum Support

A. FC1600

B. FC2400

C. FC3200correct

D. FC4000

正确答案：C

问题 #5

What is the Wavenumber of commonly used continuous wavelength division multiplexing systems?

A. 4

B. 8correct

C. 16

D. 32

正确答案：B

问题 #6

The advantages of the power distribution network automation xPON solution over other solutions do not include ().

A. High bandwidth

B. Passive network has high reliability

C. Applicable to areas where fiber coverage is difficultcorrect

D. Less affected by electromagnetic interference

正确答案：C

问题 #7

Which of the following products does not have POE features at all?

A. P613E

B. P602Ecorrect

C. P813E

D. EA5821

正确答案：B

问题 #8

In which year does Document No. 996 require the construction of the video network?

A. 2019

B. 2020

C. 2021correct

D. 2022

正确答案：C

问题 #9

Which of the following description about XGSPON is wrong?

A. The maximum downstream rate is 9.95 Gbit/s, and the maximum upstream rate is 9.95 Gbit/s.

B. Maximum splitting ratio 1:256; a single PON port can access more ONUs, suitable for high-density scenarios

C. Improve the frame structure to adapt to the 10G rate and enhance the flexibility of DBA allocation

D. Simplify the physical layer message management mechanism, which is lower than GPON in terms of security and energy saving.correct

正确答案：D

问题 #10

What solution do we mainly promote for the radio and television county and township transmission network?

A. MSTP solution

B. Enhanced MSTP solution

C. MS-OTN Convergence Solutioncorrect

D. EPTN solution

正确答案：C

问题 #11

Which of the following is not included in common GPON optical module type?

A. CLASSB+

B. CLASSB++correct

C. CLASSC+

D. CLASSC++/CLASSD

正确答案：B

问题 #12

The line impedance of the 2Mbps electrical interface is specified as

A. 75Ω (unbalanced)

B. 120Ω (balanced)

C. 75Ω (unbalanced) or 120Ω (balanced)correct

D. None of the above

正确答案：C

问题 #13

What do the red marked panels in the configurator mean?

A. Panel Controlcorrect

B. Longer delivery time for panels

C. Panels are sold normally

D. Discontinued boards

正确答案：A

问题 #14

What is the biggest difference between radio and television and operators before 2019?

A. Wireless Servicescorrect

B. Private Line Services

C. Home Broadband Services

D. Video services

正确答案：A

问题 #15

What are the ONU user-side interfaces commonly used in radio and television ONUs?

A. 4FE

B. 4GE

C. 1GE+3FEcorrect

D. 2GE+2FE

正确答案：C

问题 #16

The voltage level of the substation not covered by the power transmission and transformation communication network is ().

A. 10kvcorrect

B. 35kv

C. 110kv

D. 220kv

正确答案：A

问题 #17

What is the maximum speed that Huawei 1800 series devices can record in a single wave?

A. 2.5G

B. 10G

C. 40G

D. 100Gcorrect

正确答案：D

问题 #18

Protection range of ODUkSNCP Linear protection realized by dual transmission and selective reception

A. Line Fiber

B. OCH optical fiber, line optical fiber

C. Circuit board, OCH optical fiber, line optical fibercorrect

D. Branch board, circuit board, OCH fiber, line fiber

正确答案：C

问题 #19

The SDH frame structure includes

A. Channel overhead, information payload, and segment overhead

B. Regeneration section overhead, multiplexing section overhead, management unit pointer, information payloadcorrect

C. Containers, virtual containers, reuse, mapping

D. Regeneration section overhead, multiplexing section overhead, channel overhead, management unit pointer

正确答案：B

问题 #20

Which of the following statements about the high reliability of POL networks is incorrect?

A. Type B phasecorrect

B. Type C has higher protection cost

C. Type B and Type C protection networking is feasible

D. P622 can provide dual-link uplink protection

E. Type B and Type C protection: When the main fiber fails, it can automatically switch to another fiber.

正确答案：A

问题 #21

The actual effective bandwidth of EPON downstream is about 0.96G. If all users on a single PON port subscribe to 1000M packages, how many users can it support at most?

A. 0correct

B. 2

C. 4

D. 8

正确答案：A

问题 #22

In the WDM model, the payload part of the OMS layer of the functional unit that completes the OEO conversion is processed on the MUX/DEMUX/OADM board OTU optical wavelength conversion board

A. OLA

B. MUX

C. DEMUX

D. OTUcorrect

正确答案：D

问题 #23

Which of the following is not an advantage of the enhanced MSTP built-in PCM solution over the traditional solution?

A. Reduce the number of network failure points and improve network reliability

B. Save room space

C. End-to-end management services, simple operation and maintenance

D. Improve signal transmission qualitycorrect

正确答案：D

问题 #24

In all-optical video backhaul, which of the following can be used in scenarios where power supply, management, lightning protection, and intelligence are required?

A. EG8040C

B. P622Ecorrect

C. T672E

D. EG8084P

正确答案：B

问题 #25

What is the main application scenarios of DC908?

A. Complex Metropolitan Network

B. Backbone network

C. DC point-to-point interconnectioncorrect

正确答案：C

问题 #26

The main product currently promoted by the power OTN backbone communication network is ().

A. OSN1800IIV

B. OSN8800T32

C. OSN9800M24correct

D. OSN9800U32

正确答案：C

问题 #27

The actual effective bandwidth of GPON downstream is about 2.3G. If all users on a single PON port subscribe to 1000M packages, how many users can it support at most?

A. 2

B. 8

C. 16correct

D. 32

正确答案：C

问题 #28

Under the ADM configuration in the STM-16 level two-fiber bidirectional multiplex section shared protection ring, which of the following is the service protection situation?

A. The two circuit boards back up each other

B. Half the capacity in one board is used to protect half the capacity in the other boardcorrect

C. Two circuit boards, one main and one backup

D. The two circuit boards have nothing to do with each other

正确答案：B

问题 #29

What is the biggest difference between different types of amplifiers?

A. Different gainscorrect

B. Different noise figures

C. Occupied different slots

正确答案：A

问题 #30

What is the maximum capacity of a single wave in Huawei's financial data center transmission solution?

A. 40G

B. 100G

C. 200G

D. 400Gcorrect

正确答案：D

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