正确答案: D

firewall

题目：（）is not a physical wall but a flow virtual data to protect the computer network.

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学习资料的答案和解析：

[单选题]In modern logistics, the goods transfer starts with packaging, followed by （） storage and distribution.

Transportation

[单选题]（）creates time value.

Storage

[单选题]How many product-related factors are there to influence the transport cost? （）

Four

[单选题]（）doesn’t need to change package of goods or to stop in any place between the origin and destination

Through transport

[单选题]What kind of products do the air carriers deliver? （）

A and B

[单选题]（）is very convenient equipment for loading and unloading goods.

Fork lift truck

解析：中文：叉车是种非常方便的用来装卸货物的工具。

[单选题]Pipelines are not （）

labor-intensive

解析：中文：管道运输是非劳动密集型的。

[单选题]Value-added Logisitics的中文意思是（）。

增值物流

[单选题]CRM的中文意思是（）。

客户关系管理