Explanation:Place the generic options before the streaming options, otherwise the command will fail. 2. Point out the correct statement :
A. You can specify any executable as the mapper and/or the reducer
B. You cannot supply a Java class as the mapper and/or the reducer
C. The class you supply for the output format should return key/value pairs of Text class
D. All of the mentioned
Answer:A
Explanation:Place the generic options before the streaming options, otherwise the command will fail. 2. Point out the correct statement :
A. You can specify any executable as the mapper and/or the reducer B. You cannot supply a Java class as the mapper and/or the reducer C. The class you supply for the output format should return key/value pairs of Text class D. All of the mentioned
Explanation:If you do not specify an input format class, the TextInputFormat is used as the default. 3. Which of the following Hadoop streaming command option parameter is required ?