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Question ID 16194

What is the format of the output from the Map function of MapReduce?

Option A

Key-value pairs

Option B

Binary respresentation of keys concatenated with structured data

Option C

Compressed index

Option D

Unique key record and separate records of all possible values

Correct Answer A
Explanation


Question ID 16195

Your colleague, who is new to Hadoop, approaches you with a question. They want to
know how best to access their data. This colleague has previously worked extensively with
SQL and databases.
Which query interface would you recommend?

Option A

Hive

Option B

Pig

Option C

Howl

Option D

HBase

Correct Answer A
Explanation

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