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The metric assigned to each network depends on the type of protocol. Some simple protocol, like RIP, treats each network as equals. The ______ of passing through each network is the same; it is one ______ count. So if a packet passes through 10 network to reach the destination, the total cost is 10 hop counts. Other protocols, such as OSPF, allow the administrator to assign a cost for passing through a network based on the type of service required.A ______ through a network can have different costs (metrics). For example, if maximum ______ is the desired type of service, a satellite link has a lower metric than a fiber-optic line. On the other hand, if minimum ______ is the desired type of service, a fiber-optic line has a lower metric than a satellite line. OSPF allow each router to have several routing table based on the required type of service. 某单位的局域网通过100Mbps的光纤专线接入Internet，Internet出口区域仅采用一台防火墙的网络架构。如果该单位申请的公网IP地址为61.246.100.96/29，那么该单位防火墙DMZ区域能够使用的公网IP地址最多有______个。
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某软件企业2011年初计划投资1000万人民币开发一套统一安全网关(UTM)产品，预计从2012年开始，年实现产品销售收入1500万元，年市场销售成本1000万元。该产品的分析员张工根据财务总监提供的贴现率，制作了如表所示的产品销售现金流量表。根据表中的数据，该产品的动态投资回收期是______年，投资收益率是______。某企业UTM产品销售现金流量表年度20112012201320142015投 资1000————————成 本——1000100010001000收 入——1500150015001500净现金流量-1000500500500500净现值-925.93428.67396.92367.51340.29 进度控制工作包含大量的组织和协调工作，而______是组织和协调的重要手段。
The metric assigned to each network depends on the type of protocol. Some simple protocol, like RIP, treats each network as equals. The ______ of passing through each network is the same; it is one ______ count. So if a packet passes through 10 network to reach the destination, the total cost is 10 hop counts. Other protocols, such as OSPF, allow the administrator to assign a cost for passing through a network based on the type of service required.A ______ through a network can have different costs (metrics). For example, if maximum ______ is the desired type of service, a satellite link has a lower metric than a fiber-optic line. On the other hand, if minimum ______ is the desired type of service, a fiber-optic line has a lower metric than a satellite line. OSPF allow each router to have several routing table based on the required type of service. 在项目计划阶段，项目计划方法论是用来指导项目团队制定项目计划的一种结构化方法。______属于方法论的一部分。
HDLC是一种______协议，它所采用的流量控制技术是______。 使用Sniffer软件在网络设备的一个端口上能够捕捉到与之属于同一VLAN的不同端口的所有通信流量，这种网络设备是______。
The metric assigned to each network depends on the type of protocol. Some simple protocol, like RIP, treats each network as equals. The ______ of passing through each network is the same; it is one ______ count. So if a packet passes through 10 network to reach the destination, the total cost is 10 hop counts. Other protocols, such as OSPF, allow the administrator to assign a cost for passing through a network based on the type of service required.A ______ through a network can have different costs (metrics). For example, if maximum ______ is the desired type of service, a satellite link has a lower metric than a fiber-optic line. On the other hand, if minimum ______ is the desired type of service, a fiber-optic line has a lower metric than a satellite line. OSPF allow each router to have several routing table based on the required type of service. 随着3G技术商用化的深入，TD-SCDMA也逐渐开始步入实用化和民用化阶段。不属于TD-SCDMA技术所采用的多址接入技术是______。
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