A firewall provides an essential security blanket for your computer network.

防火墙为计算机网络提供了基本安全保障。

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The data, protocol, and network adapters are essential recipes that go into the definition of the architecture overview of the system or application.

数据、协议和网络适配器是系统或应用程序的体系结构概述定义中的重要部分。

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The essential characteristics for Cloud Computing are on-demand self-service, broad network access, resource pooling, rapid elasticity, and measured service.

云计算的关键特征是按需获取自助式服务、广阔的互联网访问、资源池、快速伸缩和可度量的服务。

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Being able to rigorously enforce firewalls, authentication procedures and other security measures across the network is essential to the future security of the sea services.

FORBES: Navy Spending Billions To Make Its Networks Less Secure

"We believe an improved public transport network is essential if our area is to create new jobs for local people, so the completion of the Odd Down park and ride expansion is a step in the right direction, " said Ian Bell, Director of the Bath Chamber of Commerce.

BBC: Odd Down park-and-ride site expansion complete

Such a network is an essential ingredient for a traditional territorial defense system.

CENTERFORSECURITYPOLICY: The Soviet Wyoming Formula On Start Would Kill SDI