●When a bridge transmits an Ethernet frame, the Ethernet frame. has(75).

(75)

●When a bridge transmits an Ethernet frame, the Ethernet frame. has(75).

(75)

●Maintenance activities do not include (74).

(74) 

●A 10BaseT Ethernet LAN has (73).

(73)

●The prototyping method is a dynamic design processes, which requires people who use prototyping method to have the following capability of (71).

(71)

●TCP (Transmission Control Protocol) was specifically designed to provide a reliable end-to-end byte stream over a(n)(72).

(72)

●根据《国家电子政务工程项目档案管理暂行办法》，文档《测试方案、方案评审

意见、测试记录、测试报告》的保管期限为(68)。

(68)

●选择仲裁方式的电子政务工程建设合同，纠纷的仲裁由(69)的仲裁委员会仲

裁。

(69)

●在(70)阶段，需要确定工程项目的质量要求，并与投资目标相协调。

(70)

●信息安全风险评估(67) 。

(67)

●信息化工程投资控制最主要的阶段是(66)。

(66)