Question

Point out the correct statement.

(a) BooleanSerializer is used to parse string representations of boolean values into boolean scalar types

(b) BlobRef is a wrapper that holds a BLOB either directly

(c) BooleanParse is used to parse string representations of boolean values into boolean scalar types

(d) All of the mentioned

This question was posed to me in quiz.

Asked question is from Introduction to Sqoop topic in division ZooKeeper, Sqoop and Cassandra of Hadoop

Answer 1

Correct choice is (b) BlobRef is a wrapper that holds a BLOB either directly

The best I can explain: BlobRef is used for reference to a file that holds the BLOB data.