Cloudera
CCA-500 · Question #11
Which two features does Kerberos security add to a Hadoop cluster?
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Security
Question
Which two features does Kerberos security add to a Hadoop cluster?
Options
- AUser authentication on all remote procedure calls (RPCs)
- BEncryption for data during transfer between the Mappers and Reducers
- CEncryption for data on disk ("at rest")
- DAuthentication for user access to the cluster against a central server
- ERoot access to the cluster for users hdfs and mapred but non-root access for clients
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Topics
#Kerberos#RPC authentication#cluster security#central authentication