GPON downstream wavelength is

• A.1550
• B.1490
• C.1510
• D.1310

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Decentralization/domain management is an important feature of MA5800 ahead of other. The campus network management is more secure and flexible. Which of the following statements is correct:

• A.Resource isolation to ensure different departments Resource security of door business;
• B.Different management accounts, enjoy rights Limit different
• C.Different tenants have exclusive use of virtual OLT, providing Different SLAs; resource virtualization, business separation from;
• D.Flexible customization required by each department Business, business development and upgrade Independent;

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Huawei's financial data center transmission solution is mostly used in the five major banks and joint-stock banks with large business volume.
Banks and local banks are equipped with

• A.OSN 9800 UPS
• B.OSN 12800
• C.OSN 7500
• D.OSN 1800V

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The client layer of OCH in the OTN layer is

• A.ODU
• B.OTU
• C.OTS
• D.OMS

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GPON technology has more advantages than EPON. The downstream bandwidth of GPON is twice that of EPON

• A.TRUE
• B.FALSE

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