第9题:[单选题] 148 你想设计一个高可靠的网站架构,该网站通过ECS提供静态网站内容。如下哪些特性是你设计高可靠架构 时所不必要的? A. 多可用区 B. 弹性伸缩组 C. 多子网 D. MQ消息队列 参考答案:D : 云服务器ECS Explanation Explanation/Reference: 多可用区必然意味着多子网,子网不能跨多可用区,所以如果A是必要的,那么C也是必要的,所以只能是 D MQ消息队列,是为了提升系统的可扩展性的,再说静态网站也不需要MQ
第25题: [单项选择]Which of the following is true A. The man thinks the woman is wasting her time. B. The man thinks the woman should make full use of her time. C. The man is eager to know the woman’s answer. D. The man can wait and there is no need for her to hurry. 参考答案:D 答案解析:[听力原文] W: I have to think about your offer. I can’t say "yes" or "no" at the moment. M: You c