To content aggregator, the key to becoming a successful content provider is owning the content.

专门用于防止BGP路由反射器环路的属性有（） A: Originator_ID B: Aggregator C: Cluster_List D: AS-Path

Which of the following is NOT a good choice for booking hotel stays? A: e-commerce websites B: aggregator /ˈæɡrɪˌɡeɪtə/ sites (聚合网站） C: hotel’s own websites

‌Which of the following is NOT mentioned as a good choice for booking hotel stays?‏ A: online travel agencies B: aggregator /ˈæɡrɪˌɡeɪtə/ sites (聚合网站） C: the hotels' own websites D: e-commerce websites

Which of the following is NOT mentioned as a good choice for booking hotel stays? A: online travel agencies B: aggregator /ˈæɡrɪˌɡeɪtə/ sites (聚合网站） C: the hotels' own websites D: e-commerce websites

以下关于对Informatica的mapping调优说法错误的是？（） A: 减少数据类型转换 B: 使用调优表达式 C: 对Aggregator，Joiner，Rank，Lookup等组件，增加连接的input/output和output字段

以下关于Pregel图计算框架说法正确的是 A: 通常只对满足交换律和结合律的操作才会开启Combiner功能 B: Aggregator提供了一种全局通信、监控和数据查看的机制 C: Pregel采用检查点机制来实现容错 D: 对于全局拓扑改变，Pregel采用了惰性协调机制