This article first analyzes the security of computer network, introduces basic technology that guarantee the security and emphasizes that cryptography is the core technology.

本文第一章分析计算机网络的安全性，介绍保障计算机网络安全的基本技术，指出密码技术是网络安全技术的核心。

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With a basic computer and the network.

只要拥有一台最基本的联网的计算机。

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Information technology is an integration of computer and network, as well as many applications as one of the basic courses, teaching information is a practical stronger course.

信息技术是一门集成计算机、网络、以及许多应用软件为一体的信息教学基础课程，也是一门实践性比较强的课程。

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Republicans insist that government funding is essential for basic science or for big projects like supercolliders, space stations, computer network security, energy programs, and nanotechnology.

FORBES: The Debt Ceiling, Thomas Jefferson and the Semi-Virtue of a Balanced Budget Amendment