Practice Basic Hadoop Multiple Choice Questions with Answers Quiz-1

Q.1.

__________ is a REST API for HCatalog.

Explanation

Q.2.

Point out the correct statement.

a) There is no guaranteed read consistency when a partition is dropped
b) Unpartitioned tables effectively have one default partition that must be created at table creation time
c) Once a partition is created, records cannot be added to it, removed from it, or updated in it
d) All of the mentioned

Explanation

Q.3.

With HCatalog _________ does not need to modify the table structure.

Explanation

Q.4.

Sally in data processing uses __________ to cleanse and prepare the data.

Explanation

Q.5.

Point out the wrong statement.

Explanation

Q.6.

For ___________ partitioning jobs, simply specifying a custom directory is not good enough.

Explanation

Q.7.

___________ property allows us to specify a custom dir location pattern for all the writes, and will interpolate each variable.

Explanation

Q.8.

HCatalog maintains a cache of _________ to talk to the metastore.

Explanation

Q.9.

On the write side, it is expected that the user pass in valid _________ with data correctly.

Explanation

Q.10.

A float parameter, defaults to 0.0001f, which means we can deal with 1 error every __________ rows.

Explanation