CORBA (Common Object Request Broker Architecture) is a mature industry standard for communication between objects. It provides a platform-dependent programming interface and model for portable, object-oriented distributed computing applications. Its language, platform, network protocol and other characteristics make it very suitable for existing distributed system applications. Program development and system integration.

• A.FALSE
• B.TRUE

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Commonly used test instruments for WDM system include? () (multiple choice)

• A.Optical Time Domain Reflectometer
• B.2M BER tester
• C.Multimeter
• D.Optical power meter
• E.Spectrum Analyzer
• F.Data Service Tester

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The sequence of downstream signals flowing through the functional blocks of the SL16 circuit board is

• A.SPI, MST, RST, MSP, MSA, HPT
• B.SPI, RST, MST, MSP, MSA, HPT
• C.HPT, MSA, MSP, MST, RST, SPI
• D.HPT, MSP, MSA, MST, RST, SPI

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For ODUk ring network protection, the following statement is wrong:

• A.Only one node needs to be configured as a management point in the entire ring
• B.Only working channel services need to be manually configured, and all protection channels are automatically generated
• C.The node where the management point is located can have no business binding
• D.For each business, it is bound by the segment ID to achieve the only difference in business

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The IP address you use is 165.247.52.119, and the subnet mask is 255.255.240.0. Which subnet is your host?

• A.165.247.56.0
• B.165.247.52.0
• C.165.247.48.0
• D.165.247.32.0

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