Coursera---Bisic Hadoop Stack(lession test1)

1.What does SQOOP stand for?
答:SQL to Hadoop

2.What is part of the basic Hadoop Stack 'Zoo'?
答:pig 、 Elephant、 Hive

3.What is considered to be part of the Apache Basic Hadoop Modules?
答:HDFS、 Yarn、 MapReduce、(Hadoop Common)

4.What are the two major components of the MapReduce layer?
答:TaskManager 、 JobTracker

5.what does HDFS stand for?
答:Hadoop Distributed File System

6.what are the two majority types of nodes in HDFS?
答:NameNode、 DataNode

7.What is Yarn used as an alternative to in Hadoop 2.0 and higher versions of Hadoop?
答:MapReduce

8.Could you run an existing MapReduce application using Yarm?
答:yes

9.What are the two basic layers comprising the Hadoop Architecture?
答:MapReduce and HDFS

10.What are Hadoop advantages over a traditional platform?
答:Scalability 、 Reliability 、 Flexibility 、Cost

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