【名词&注释】
卫星通信业务(satellite communication service)、同步卫星通信(synchronous satellite communication)、外存储器(external memory)
[判断题]同步卫星通信业务有卫星固定通信业务(FSS)和卫星移动通信业务(MSS)之分,MSS使用C频段和Ku频段,FSS使用L频段。()
查看答案&解析查看所有试题
学习资料:
[单选题]下列选项中,不属于外存储器的是()。
A. 磁盘
B. 磁带
C. 光盘
D. ROM
[多选题]Some operating systems prefer a wireline ( ) over wireless because it is assumed to have more bandwidth and be more reliable, and some operating systems ( ) the user to define the preference order of the available interfaces.
A. link
B. chain
C. connection
D. fiber A.allow
E. allowed
F. allowing
G. is allowing
本文链接:https://www.51ksbd.net/show/d33q0q.html