题目内容
Frame Relay is simplified form of(71),similar in principle to(72), in which synchronous, frames of data are routed to different destinations depending on header information. Packets are routed throught one or more Virtual Circuits known as(73). Most Virtual Circuits are(74),which means that the network provider sets up all DLCI connections at subscription time.(75)are also part of the Frame Relay specification. They privide a link that only lasts only as long as the session.
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Which of the following statements least accurately describes the IRR and NPV methods
Frame Relay is simplified form of(71),similar in principle to(72), in which synchronous, frames of data are routed to different destinations depending on header information. Packets are routed throught one or more Virtual Circuits known as(73). Most Virtual Circuits are(74),which means that the network provider sets up all DLCI connections at subscription time.(75)are also part of the Frame Relay specification. They privide a link that only lasts only as long as the session.
A 175-day T-bill has an effective annual yield of 4.5%. Its money-market yield is:
在网络设计阶段进行通信流量分析时可以采用简单的80/20规则，下面关于这种规则的说明中，正确的是______。
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