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SOEN 471 UU 2254, SOEN 6111 UU (Winter 2026)
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What is the main abstraction at the core of Apache Spark?
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Why is cluster computing necessary in Big Data analytics?
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What makes Spark DataFrames more optimized than raw RDDs?
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What problem did having many specialized big data systems create?
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Why is in-memory processing a major advantage of Spark over MapReduce?
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Conceptually, what is a Dask task graph similar to?
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When does Dask actually perform computations?
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What is the main motivation for using Dask?
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When does Spark actually execute computations?
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How does Spark achieve fault tolerance for RDDs?
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