It has been determined in the R15 protocol to use SCMA for multiple access. (True or False, 2 points)

• A.True
• B.False

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In the Cloud RAN architecture, which of the following network element functions implements cloud deployment? (single-choice question, 6 points)

• A.CU
• B.BBU
• C.AAU
• D.DU

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Which of the following technical solutions reduce the 5G delay? _MC

• A.Dynamic uplink and down link resources allocation
• B.F-FDMA
• C.D2D communication
• D.Shortening the resource allocation interval

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Which of the following is the key technology to enhance high -altitude coverage 5G network?

• A.Massive MIMO .
• B.f-OFDMA
• C.256QAM
• D.UL and decoupling

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Which of the following transmission network slicing technologies cannot achieve hard slicing of pipe bandwidth? (single-choice question, 4 points)

• A.VLAN
• B.FlexETH
• C.ODUk
• D.Port isolation

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