MCQGeeks
0 : 0 : 1
CBSE
JEE
NTSE
NEET
English
UK Quiz
Quiz
Driving Test
Practice
Games
Quiz
Hadoop
Pig Interview
Quiz 1
1
2
3
4
5
6
7
8
9
10
Q.1
__________ abstract class has three main methods for loading data and for most use cases it would suffice to extend it.
a) Load
b) LoadFunc
c) FuncLoad
d) None of the mentioned
Q.2
Point out the correct statement.
a) LoadMeta has methods to convert byte arrays to specific types
b) The Pig load/store API is aligned with Hadoop InputFormat class only
c) LoadPush has methods to push operations from Pig runtime into loader implementations
d) All of the mentioned
Q.3
Which of the following has methods to deal with metadata?
a) LoadPushDown
b) LoadMetadata
c) LoadCaster
d) All of the mentioned
Q.4
____________ method will be called by Pig both in the front end and back end to pass a unique signature to the Loader.
a) relativeToAbsolutePath()
b) setUdfContextSignature()
c) getCacheFiles()
d) getShipFiles()
Q.5
Point out the wrong statement.
a) The load/store UDFs control how data goes into Pig and comes out of Pig.
b) LoadCaster has methods to convert byte arrays to specific types.
c) The meaning of getNext() has changed and is called by Pig runtime to get the last tuple in the data
d) None of the mentioned
Q.6
___________ return a list of hdfs files to ship to distributed cache.
a) relativeToAbsolutePath()
b) setUdfContextSignature()
c) getCacheFiles()
d) getShipFiles()
Q.7
The loader should use ______ method to communicate the load information to the underlying InputFormat.
a) relativeToAbsolutePath()
b) setUdfContextSignature()
c) getCacheFiles()
d) setLocation()
Q.8
____________ method enables the RecordReader associated with the InputFormat provided by the LoadFunc is passed to the LoadFunc.
a) getNext()
b) relativeToAbsolutePath()
c) prepareToRead()
d) all of the mentioned
Q.9
__________ method tells LoadFunc which fields are required in the Pig script.
a) pushProjection()
b) relativeToAbsolutePath()
c) prepareToRead()
d) none of the mentioned
Q.10
A loader implementation should implement __________ if casts (implicit or explicit) from DataByteArray fields to other types need to be supported.
a) LoadPushDown
b) LoadMetadata
c) LoadCaster
d) All of the mentioned
0 h : 0 m : 1 s
1
2
3
4
5
6
7
8
9
10
Report Question
×
What's an issue?
Question is wrong
Answer is wrong
Other Reason
Want to elaborate a bit more? (optional)
Support mcqgeeks.com by disabling your adblocker.
×
Please disable the adBlock and continue.
Thank you.
Reload page