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

The correct answer is C. Creates users for hdfs and mapreduce to facilitate role assignment. During CDH4 package installation of MRv1, the following Unix user accounts are automatically created to support security: This User, Runs These Hadoop Programs hdfs HDFS: NameNode, DataNodes, Secondary NameNode, Standby NameNode (if you are using HA) mapredMRv1: JobTracker and…

Requirements Analysis and Design Definition

Question

Options

AAutomatically configure permissions for log files at $MAPPED_LOG_DIR/userlogs
BCreates and configures you kdc with default cluster values.
CCreates users for hdfs and mapreduce to facilitate role assignment.
DCreates a set of pre-configured Kerberos keytab files and their permissions.
ECreates directories for temp, hdfs, and mapreduce with correct permissions.

How the community answered

(42 responses)

A
5% (2)
B
12% (5)
C
74% (31)
D
2% (1)
E
7% (3)

Explanation

During CDH4 package installation of MRv1, the following Unix user accounts are automatically created to support security: This User, Runs These Hadoop Programs hdfs HDFS: NameNode, DataNodes, Secondary NameNode, Standby NameNode (if you are using HA) mapredMRv1: JobTracker and TaskTrackers

Topics

#Kerberos Security#CDH Packaging#User Role Assignment#Security Setup

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