For running hadoop service daemons in Hadoop in secure mode, ___________ principals are required.
A. SSL
B. Kerberos
C. SSH
D. None of the mentioned
Answer:A
For running hadoop service daemons in Hadoop in secure mode, ___________ principals are required.
A. SSL B. Kerberos C. SSH D. None of the mentioned
Explanation:Each service reads auhenticate information saved in keytab file with appropriate permission. 2. Point out the correct statement :