Circuit—switching technology is used in Publish Switched Telephone Network(PSTN),Global System for Mobile Communications(GSM)and

admin2015-11-01  56

问题 Circuit—switching technology is used in Publish Switched Telephone Network(PSTN),Global System for Mobile Communications(GSM)and code Division Multiple Access(CMDA).It is a  _______  information transfer mode.

选项 A、connection oriented
B、connectionless
C、high bandwidth utilization
D、poor real—time

答案D

解析
转载请注明原文地址:https://jikaoti.com/ti/p8K7FFFM
0

相关试题推荐
最新回复(0)