In the cloud-based 5G wireless network, which of the following protocol layers does not belong to RAN-DU? (Multiple choice, 6 points)

• A.MAC
• B.RRC
• C.RLC
• D.Physical layer

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Which release version of 3GPP does 207.5G start from? (Multiple choice, 6 points)

• A.R13
• B.R15
• C.R17
• D.R8

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The impact of the 5G core network on the bearer network mainly includes (multiple choice, 8 points)

• A.Vertical business->N2/N3 layered termination, flexible attribution
• B.Horizontal service->gNB-gNB(X2), DU-DU, CU-CU
• C.L3 layer to edge
• D.Converged connection->Full Mesh connection, the number of connections increases exponentially.

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What kind of business will the first wave of 5G market focus on (single-choice question, 6 points)

• A.uRLLC
• B.eMBB
• C.mMTC

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which of the following are service seniors where VR is predominately used?

• A.Education .
• B.Video .
• C.industrial manufacturing
• D.Gaming .

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