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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What are the two main RDDs used for constructing a graph in GraphX?
💡 Hint: Think about what represents nodes and connections.
Question 2
Easy
What is a superstep in the Pregel API?
💡 Hint: Consider how messages change the state of vertices.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does GraphX primarily leverage for graph computations?
- Boolean Algebra
- Resilient Distributed Datasets
- Arrays
💡 Hint: Think about the foundational data structures in Spark.
Question 2
Is it true that a superstep allows vertices to send messages to their neighbors?
- True
- False
💡 Hint: Consider what progressively updates the graph.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a directed graph with 4 vertices and 3 edges represented in GraphX, how would you construct the VertexRDD and EdgeRDD? Describe the process and its implications.
💡 Hint: Think about how identifiers work in graphs.
Question 2
Critique the trade-offs of using GraphX for complex graph queries compared to a traditional RDBMS graph store. What are your thoughts?
💡 Hint: Reflect on the features of RDBMS versus NoSQL graphs.
Challenge and get performance evaluation