In NSA mode, which of the following standards will serve as the anchor for 5G NR? (single-choice question, 6 points)

• A.GSM
• B.LTE
• C.CDMA
• D.WCDMA

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The 5G technology is a requirement for automated driving.

• A.False
• B.True

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A network slice can be understood as a logical network that serves a certain type of business with specific needs. (True or False, 4 points)

• A.False
• B.True

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In the IMT2020 vision, which of following is correct ratio of 5G servic e delay to the 4G service delay?

• A.1/10
• B.1/100
• C.1/50
• D.1/20

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Which of the following features is not a key feature to reduce the latency of end-to-end services? (Multiple choice, 2 points)

• A.OFDM
• B.User face sinking
• C.Shorten scheduling delay
• D.Add SDAP protocol

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