Explanation:Each service reads auhenticate information saved in keytab file with appropriate permission. 2. Point out the correct statement :
A. Hadoop does have the definition of group by itself
B. MapReduce JobHistory server run as same user such as mapred
C. SSO environment is managed using Kerberos with LDAP for Hadoop in secure mode
D. None of the mentioned
Answer:A
Explanation:Each service reads auhenticate information saved in keytab file with appropriate permission. 2. Point out the correct statement :
A. Hadoop does have the definition of group by itself B. MapReduce JobHistory server run as same user such as mapred C. SSO environment is managed using Kerberos with LDAP for Hadoop in secure mode D. None of the mentioned
Explanation:You can change a way of mapping by specifying the name of mapping provider as a value of hadoop.security.group.mapping. 3. The simplest way to do authentication is using _________ command of Kerberos.