
UNIT-4
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Education
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University
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Practice Problem
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Hard
K Rathi
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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of join in MapReduce processes data from two different datasets where both datasets have a matching key?
Reduce-side join
Map-side join
Cross join
Semi-join
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which join technique in Hadoop performs the join operation before the data reaches the reducer?
Reduce-side join
Map-side join
Broadcast join
Inner join
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which MapReduce join technique is the most efficient when one dataset is significantly smaller than the other?
Reduce-side join
Distributed cache join
Semi-join
Outer join
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which algorithm is commonly used for shortest path computation in a large-scale distributed graph using Hadoop?
Dijkstra's Algorithm
PageRank
Bellman-Ford Algorithm
Breadth-First Search (BFS)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
PageRank algorithm, used by search engines, is typically implemented using which Hadoop framework?
Pig
Mahout
Giraph
Hive
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an advantage of using MapReduce for graph processing?
Easy iteration over graph nodes
Automatic handling of iterative processing
Scalability for large graphs
Efficient in-memory processing
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which data serialization framework is commonly used for language-independent data in Hadoop?
JSON
XML
Avro
Parquet
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