單項(xiàng)選擇題The following events all require an SDCCH. Which event has normally the longest holding time? （）

A. Normal updating
B. IQMSI attach/detach
C. Registration
D. Call set-up
E. SMS point-to-point


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2.單項(xiàng)選擇題What is added to the MS sensitivity level to obtain the required signal strength, SSreq?（）

A. Rayleigh fading margin.
B. Rayleigh fading margin, interference margin, and body loss.
C. Rayleigh fading margin and interference margin.
D. Rayleigh fading margin and body loss.
E. Interference margin and body loss.

5.單項(xiàng)選擇題Where is the TX reference point? （）

A. Where the jumper cable is connected to the output of the TX.
B. Where the jumper cable is connected to the RBS.
C. Where the jumper cable is connected to the output of the combiner.
D. Where the jumper cable is connected to the antenna.
E. Immediately outside the antenna.