Explanation:In contrast with other persistent key-value data structures like B-Trees, you can’t seek to a specified key editing, adding or removing it. 3. Apache Hadoop’s ___________ provides a persistent data structure for binary key-value pairs.
A. GetFile
B. SequenceFile
C. Putfile
D. All of the mentioned
Answer:A
Explanation:In contrast with other persistent key-value data structures like B-Trees, you can’t seek to a specified key editing, adding or removing it. 3. Apache Hadoop’s ___________ provides a persistent data structure for binary key-value pairs.
A. GetFile B. SequenceFile C. Putfile D. All of the mentioned
Explanation:SequenceFile is append-only. 4. How many formats of SequenceFile are present in Hadoop I/O ?