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计算机
(71) In the strength of the carrier signal is varied to represent binary 1 or 0. (72) is a system that can map a name to an
(71) In the strength of the carrier signal is varied to represent binary 1 or 0. (72) is a system that can map a name to an
admin
2010-01-24
81
问题
(71) In the strength of the carrier signal is varied to represent binary 1 or 0.
(72) is a system that can map a name to an address and conversely an address to an name.
(73) is a three-way handshaking authentication protocol that it’s packets are encapsulated in the point-to-point protocol
(74) is an approach that enables an ATM Switch to behave like a LAN switch.
(75) is an guided media which is made of glass or plastic and transmits signals in the form of light.
选项
A、ASK
B、PSK
C、FSK
D、FDM
答案
A
解析
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本试题收录于:
网络工程师上午基础知识考试题库软考中级分类
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软考中级
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