【名词&注释】
数据通信(data communication)
[单选题]All data are stored in stacked semiconductor dynamic RAM memory boards; the information recorded，the（）rate，and the order in which the data are stored differ.
A. receiving
B. stacking
C. sampling
D. erasing
查看答案&解析
举一反三：
[单选题]There are a number of key technologies that will enable LTE Advanced to achieve the high data （ ） rates that are required．（ ） are two of the base technologies that will be enablers．Along with these there a number of other techniques and technologies that will be employed．
A. A．input
B. output
C. C． throughput
D. D． receiving A．MIMO and O
E. F
F. DM
G. MIMO and
H. C
J. C． MIMO and
K. E
L. DG
N. D． MIMO and T
O. DMA
[单选题]数据通信中，X.25网中一条永久虚电路一旦建立就永久占用一个逻辑信道号，直到被拆除。逻辑信道号可取1～()。
A. 3095
B. 4095
C. 5095
D. 6095
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