In LTE system, how many codewords can a TTI pass up to?

• A.4
• B.1
• C.2
• D.3

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Which of the following services of the M2000 server resolves the packets reported by the NE to a unified structure, and the performance service stores the data required by the user into the performance database?

• A.Adaptation
• B.Application
• C.Physics
• D.IP

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Which of the following are methods that can be used to solve a weak coverage problem? (Multiple choice)

• A.Reduce the signal strength of the non-primary coverage cell and improve the SINR of the primary coverage cell signal
• B.Adjust the weight of the sector beam of the primary coverage cell to make the energy more concentrated
• C.If the power of the primary coverage cell does not reach the rated maximum, the power of the primary coverage cell is appropriately increased.
• D.Adjust the antenna tilt and azimuth of the main coverage area

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Which process does the UE need to initiate if the network capability (security capability) of the UE changes?

• A.Random-access
• B.Paging
• C.Detach
• D.TAU

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For LTE system messages, which of the following statements are correct? (multiple choice)

• A.SIB1 and all SI messages are transmitted on BCCH → DL-SCH → PDSCH.
• B.The transmission of SIB1 is completed through PDCCH scheduling carrying SI-RNTI (SI-RNTI is the same for each cell).
• C.Except for SIB1, SIB2-SIB13 are all carried by SI (System Information), and SIB2 must be mapped in the first SI message.
• D.The Scheduling InfoList in SIB2 carries the scheduling information of all SIs. After receiving SIB2, other SI messages can be received.

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