单项选择题X 纠错Software defined networking（SDN）is a telecommunications network（96）that provides the promise of significant improvements in the network（97）.
A.throughput
B.data rate
C.loss
D.performance
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单项选择题Software defined networking（SDN）is a telecommunications network（96）that provides the promise of significant improvements in the network（97）.
单项选择题There are a number of key technologies that will enable LTE Advanced to achieve the high data（94） rates that are required.（95） are two of the base technologies that will be enablers.Along with these there a number of other techniques and technologiesthat will be employed.
单项选择题There are a number of key technologies that will enable LTE Advanced to achieve the high data（94） rates that are required.（95） are two of the base technologies that will be enablers.Along with these there a number of other techniques and technologiesthat will be employed.
单项选择题
