CCA-500 practice - PrepKeys

Q1 Single choice

A user comes to you, complaining that when she attempts to submit a Hadoop job, it fails. There is a Directory in HDFS named /data/input. The Jar is named j.jar, and the driver class is named DriverClass.

She runs the command:

Hadoop jar j.jar DriverClass /data/input/data/output

The error message returned includes the line: PriviligedActionException as:training (auth:SIMPLE)
cause:org.apache.hadoop.mapreduce.lib.input.invalidInputException:
Input path does not exist: file:/data/input

What is the cause of the error?

A
The user is not authorized to run the job on the cluster
B
The output directory already exists
C
The name of the driver has been spelled incorrectly on the command line
D
The directory name is misspelled in HDFS
E
The Hadoop configuration files on the client do not point to the cluster