可在提高Web 服务器响应性能的同时，增加可靠性的措施是（）。
- A.增加网络带宽
- B.搭建多个服务器的集群
- C.服务器安装高版本操作系统
- D.提高服务器的硬盘速率
正确答案及解析
正确答案
解析
增加网络带宽、搭建多个服务器的集群、服务器安装高版本操作系统、提高服务器的硬盘速率都能提高Web 服务器响应性能。但是增加网络带宽、提高服务器的硬盘速率为提升硬件性能，并不能明显的提高可靠性。而服务器安装高版本操作系统，也许只是应用功能的完善。搭建多个服务器的集群，则编外多台机器响应Web服务，因此可靠性大大加大了。
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