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问题 单项选择题

地方城建档案管理部门的职责是负责接收和保管所辖范围应当( )保存的工程档案和有关资料。

A．永久和长期
B．永久和短期
C．短期和暂时
D．长期和暂时

答案

参考答案：A

问答题 简答题

项目经理的权利有哪些？
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单项选择题

TCP functions at the Open System Interconnection (OSI) (61) layer, or Layer 4. Its chief responsibility is to ensure (62) end-to-end connectivity. IP, located one layer down, at the OSI network layer, or Layer 3, communicates the addresses of each (63) sender and receiver to the routers along the way. Routers and Layer 3 switches can read IP and other Layer 3 (64) . This information, combined with routing tables and other network intelligence, is all it takes to get (65) the room or around the world via TCP/IP.

（64）是（）

A.better

B.protocols

C.protocol

D.good
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