Apache Hadoop ___________ provides a persistent data structure for binary key-value pairs.
(a) GetFile
(b) SequenceFile
(c) Putfile
(d) All of the mentioned
(a) GetFile
(b) SequenceFile
(c) Putfile
(d) All of the mentioned
Correct option is (b) SequenceFile
Explanation: SequenceFile is append-only.