Pushing programming out to distributed data is achieved solely by using the Hadoop Distributed File System or HDFS

In a distribution channel, an "intermediary" is a bridge between a

A) manufacturer and consumer B) producer and retailer C) broker and agent D) none of the above

Sixty percent of the time, the stoplight will change before you have to wait X seconds, what is the value of X?

A) 72 seconds B) 60 seconds C) 48 seconds D) 36 seconds