In the LTE system, which is the advantage of applying 64QAM compared to 16QAM?

• A.Improved spectrum utilization
• B.Simpler implementation
• C.Reduce the system error rate
• D.Improved anti-noise, anti-fading ability

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The " average number of uplink PRB resources used " counts which of the following channels are occupied by the number of PRBs? (Multiple Choice)

• A.PUCCH
• B.PRACH
• C.PDSCH
• D.PUSCH

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During the road test, when the device is abnormally disconnected and the GPS signal is insufficient, the Probe will prompt by dialog or sound. You can set special status alarm events and alarm methods.

• A.True
• B.False

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When does FTP download start recording LOG?

• A.When you start downloading
• B.When the download is almost over
• C.When the download rate is stable
• D.No requirement

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In SAE, which of the following entity use to deal with the control plane of S1 interface?

• A.MME
• B.PCRF
• C.SGW
• D.PDN GATEWAY

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