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更多“The converter signal is used to clock the input data into the register where it is stored until the …”相关的问题
A、Store data / 存储数据
B、Transfer data / 实现数据的移动
C、Implement specific counter / 实现特定的计数功能
D、Converter an Analog signal to Digital signal / 实现模拟信号到数字信号的转换
(66) is a one-way function that takes an arbitrarily long piece of plaintext and from it computes a fixed-length bit string.
(67) is a protocol that most USENET machines now use it to allow news articles to propagate from one machine to another over a reliable connection.
(68) is an approach preferred by cable TV providers. In this solution the fiber terminates at an optoelectrical converter and the final segment is a shared coaxial cable.
(69) is a device used to connect two separate network that use different communication protocol.
(70) is a digital-to-digital polar encoding method in which the signal level is always either positive or negative.
A．MD
B．RSA
C．DES
D．MIB
A．MD
B．RSA
C．DES
D．MIB
A．MD
B．RSA
C．DES
D．MIB
(66) is a one-way function that takes an arbitrarily long piece of plaintext and from itcomputes a fixed-length bit string.
(67) is a protocol that most USENET machines now use it to allow news articles to propagate from one machine to another over a reliable connection.
(68) is an approach preferred by cable TV providers.In this solution the fiber terminates at an optoelectrical converter and the final segment is a shared coaxial cable.
(69) is a device used to connect two separate network that use different communicationprotocol.
(70) is a digital-to-digital polar encoding method in which the signal level is always either positive or negative.
(66) A．MD
B．RSA
C．DES
D．MIB
(67) A．RTP
B．RTTP
C．FTP
D．NNTP
(68) A．ADSL
B．FTTC
C．HFC
D．FTTH
(69) A．Router
B．Gateway
C．Bridge
D．hub
(70) A．NNI
B．NRZ
C．NAK
D．NVT
(71)is a one-way function that takes an arbitrarily long piece of plaintext and from it computes a fixed-length bit string.
(72)is a protocol that most USENET machines now use it to allow news articles to propagate from one machine to another over a reliable connection.
(73)is an approach preferred by cable TV providers. In this solution the fiber terminates at an optoelectrical converter and the final segment is a shared coaxial cable.
(74)is a device used to connect two separate network that use different communication protocol.
(75)is a digital-to-digital polar encoding method in which the signal level is always either positive or negative.
A．MD
B．RSA
C．DES
D．MIB
● (71) is a one-way function that takes an arbitrarily long piece of plaintext and from it computes a fixed-length bit string．
(72) is a protocol that most USENET machines now use it to allow news articles to propagate from one machine to another over a reliable connection．
(73) is an approach preferred by cable TV providers ．In this solution the fiber terminates at an optoelectrical converter and the final segment is a shared coaxial cable．
(74) is a device used to connect two separate network that use different communication protocol．
(75) is a digital-to-digital polar encoding method in which the signal level is always either positive or negative．
(71) A． MD
B．RSA
C．DES
D．MIB
(72)A．RTP
B．RTTPC FTP
D．NNTP
(73) A． ADSL
B．FTTC
C．HFC
D．FTTH
(74)A ．Router
B．Gateway
C．Bridge
D．hub
(75)A ．NNI
B．NRZ
C．NAK
D．NVT
【A popular service that has attercted the interest of companies and has home users alike is the sending of voice signals over an IP-based network, such as the Internet. The practice of making telephone calls over the internet has had a number of different names, including packet voice, voice over packet, voice over the internet, internet telephone, and Voice over Ip（Voip）. But it appears the industry has settled on the term”Voice ove IP” in reference to the internet protocol, which controls the transfer of data over the internet. There are currently three ways to deliver VoIp to users, the first technique is found at the corporate level. Many companies are offering VoIP systerms that operate over a local area network. These systems involve a fair amount of equipment, such as VoIP servers, special IP-enabled telephones, and routers that can direct telephone calls. Today a large portion of corporate sites have converted their older internal telephone systems to VoIP systems that opreate over a LAN, thus converging two systems into one. A second common solution is the one often encountered at home. Using existing telephones, a special converter is added between the telephone and a high speed internet（DSL or cable modem）connection. The converter digitizes the voice signal and creates a stream of packets that are then sent over an ip connection.The third technique involves smart cell phones. Never cell technologies are all packet-based, thus requiring a telephone call to be converted to digital packets and sending those packets over IP networks.】
From the paragraph above，a popular service that has attracetd the interest of companies and home users,is termed as （） . The data transfer over the Internet is controlled by the （） . At corporate level, many companies have replaced their older internal telephone systerms with （） that oprerate over a local area network.
A、voice over the internet B、voice over packet C、Voice over IP D、internet telephony A、packet B、internet protocol C、industry D、VoIp servers A、VoIP systems B、IP-enablde telephones C、VoIP servers D、routers
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