Explanation:HBase Master UI provides information about the num­ber of live, dead and transitional servers, logs, ZooKeeper information, debug dumps, and thread stacks. 4. ________ NameNode is used when the Primary NameNode goes down.
A. Rack
B. Data
C. Secondary
D. None of the mentioned
Answer:A
Explanation:HBase Master UI provides information about the num­ber of live, dead and transitional servers, logs, ZooKeeper information, debug dumps, and thread stacks. 4. ________ NameNode is used when the Primary NameNode goes down.
A. Rack B. Data C. Secondary D. None of the mentioned
Explanation:Secondary namenode is used for all time availability and reliability. 5. Point out the wrong statement :