NameNode is used when the Primary NameNode goes down August 9, 2021August 9, 2021 administrator NameNode is used when the Primary NameNode goes downSecondaryExcellent ! Your Answer is Correct. DataRackNone of the Option is Correct Share this: Click to share on Facebook (Opens in new window) Facebook Click to share on X (Opens in new window) X Like this:Like Loading...Related Posts:Which of the following formatting options can be…