Question

_____________ accepts a table to read data from and optionally a selection predicate to indicate which partitions to scan.
a) HCatOutputFormatb) HCatInputFormatc) OutputFormatd) InputFormat

Answer 1

Answer:

The answer is "Option b"

Explanation:

In the given question the answer is "HCatInputFormat" because it is used to read data from HCatalog controlled table, it also used in MapReduce work and scan the partitions. and other options are incorrect that can be described as follows:

• In option a, It is an output format, that is used to show the data, that's why it is not correct.
• In option c and option, It does not use full name that is HCatalog, that's why it is not correct.