SRVCC is a solution for maintaining voice call continuity when switching between LTE and 2G/3G networks.

• A.False
• B.True

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Which of the following RNTIs use fixed values? (Multiple Choice)

• A.P-RNTI
• B.SPS-RNTI
• C.C-RNTI
• D.SI-RNTI

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For the single-station verification link, if the UE can access the network but cannot switch, which of the following steps can be taken to troubleshoot the cause? (Multiple choice)

• A.Check if the neighboring area is configured
• B.Check if the wireless signal is good, whether the RSRP and SINR values are too small, such as the reference value (RSRP > -90dBm, SINR > 5dB)
• C.Check if the attachment is normal
• D.Check if the switching threshold is correct

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What are the advantages of OFDM? (Multiple choice)

• A.Resistance to frequency selective fading
• B.Sensitive to frequency offset
• C.High spectral efficiency
• D.PARP high

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Regarding the CSFB to GSM heterogeneous system neighborhood planning principles, which of the following are correct?

• A.Coverage generally refers to the GSM900MHz band
• B.Priority to add co-site cells and the first layer to the adjacent area
• C.Can draw on the 2G neighboring configuration of the 3G network for planning
• D.Priority in capacity planning based on capacity planning

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