Question 11 : Which of the following command is used to show values to keys used in Pig ?
1. set
2. declare
3. display
4. All of the mentioned
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Question 12 : Point out the correct statement:
1. Invoke the Grunt shell using the “enter” command
2. Pig does not support jar files
3. Both the run and exec commands are useful for debugging because you can modify a Pig script in an editor
4. All of the mentioned
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Question 13 : Which of the following is shortcut for DUMP operator ?
1. \de alias
2. \d alias
3. \q
4. None of the mentioned
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Question 14 : A loader implementation should implement __________ if casts (implicit or explicit) from DataByteArray fields to other types need to be supported.
1. LoadPushDown
2. LoadMetadata
3. LoadCaster
4. All of the mentioned
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Question 15 : __________ method tells LoadFunc which fields are required in the Pig script.
1. pushProjection()
2. relativeToAbsolutePath()
3. prepareToRead()
4. None of the mentioned
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Question 16 : ____________ method enables the RecordReader associated with the InputFormat provided by the LoadFunc is passed to the LoadFunc.
1. getNext()
2. relativeToAbsolutePath()
3. prepareToRead()
4. All of the mentioned
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Question 17 : The loader should use ______ method to communicate the load information to the underlying InputFormat.
1. relativeToAbsolutePath()
2. setUdfContextSignature()
3. getCacheFiles()
4. setLocation()
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Question 18 : ___________ return a list of hdfs files to ship to distributed cache.
1. relativeToAbsolutePath()
2. setUdfContextSignature()
3. getCacheFiles()
4. getShipFiles()
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Question 19 : ____________ method will be called by Pig both in the front end and back end to pass a unique signature to the Loader.
1. relativeToAbsolutePath()
2. setUdfContextSignature()
3. getCacheFiles()
4. getShipFiles()
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Question 20 : __________ abstract class has three main methods for loading data and for most use cases it would suffice to extend it.
1. Load
2. LoadFunc
3. FuncLoad
4. None of the mentioned
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