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Circuit-switching technology is used in Public Switched Telephone Network（PSTN）, Global System for Mobile Communications（GSM） and Code Division Multiple Access（CDMA）. It is a （ ） information transfer mode.
A.Connection oriented
B.connectionless
C.High bandwidth utilization
D.Poor-real-time
B.connectionless
C.High bandwidth utilization
D.Poor-real-time
参考答案
参考解析
解析：电路交换技术用于PSTN、GSM和CDMA，它是一种（72）信息传输模式。
更多 “Circuit-switching technology is used in Public Switched Telephone Network（PSTN）, Global System for Mobile Communications（GSM） and Code Division Multiple Access（CDMA）. It is a （ ） information transfer mode.A.Connection oriented B.connectionless C.High bandwidth utilization D.Poor-real-time ” 相关考题
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