What Does CDH Packaging Do on Install to Facilitate Kerberos

Multiple Choice

What does CDH packaging do on install to facilitate Kerberos security setup?

A) Automatically configures permissions for log files at & MAPRED_LOG_DIR/ user logs
B) Creates users for hdfs and mapreduce to facilitate role assignment
C) Creates directories for temp, hdfs, and mapreduce with the correct permissions
D) Creates a set of pre-configured Kerberos keytab files and their permissions
E) Creates and configures your kdc with default cluster values