Question 13 3 pts Big-data Hadoop clusters, such as those used by Google and Facebook, use a small number of very large Mainframe computers? False True 3 pts D Question 14 In HDFS, a file is broken into blocks and individual blocks are replicated across multiple nodes of a cluster. Thus, if an individual node fails, no data is lost O False True 3 pts Question 15 Which of the following is true of cloud computing It is always gping to be less expensive and less secure than on-premise computing. e Only a very small number of firms are investing in cloud computing, making it a risky venture. O You can access your data from anywhere as long as you have internet access