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 mentionedThe question was posed to me in an internship interview.I'm obligated to ask this question of Security in portion Working of MapReduce of Hadoop

Point out the correct statement.(a) Hadoop does have the definition of

1.	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 mentionedThe question was posed to me in an internship interview.I'm obligated to ask this question of Security in portion Working of MapReduce of Hadoop
Answer» RIGHT answer is (c) SSO environment is managed using Kerberos with LDAP for Hadoop in secure mode The best I can explain: You can CHANGE a way of mapping by specifying the name of mapping PROVIDER as a value of hadoop.security.group.mapping.

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