Basically, a firewall is a (71) process or a set of integrated processes that runs on a router or (72) to control the flow of networked application traffic (73) through it. Typically, firewalls are placed on the entry point to a (74) Network such as the Internet. They could be considered traffic cops. The firewall’s (75) is to ensure that all communication between an organization’s network and the Internet conform to the organization’s security policies.

（74）处填（）。

A．local

B．national

C．private

D．public

在解放战争时期，毛 * * 思想得到继续发展，突出表现在（）。

A.提出了政策和策略是党的生命等一整套战略策略思想

B.全面阐述了“实事求是、群众路线、独立自主”的思想

C.总结了十大军事原则

D.系统阐述了人民民主专政的理论