# Distributed graph algorithms MCQs

What is the primary goal of distributed graph algorithms?

a. Minimizing hardware diversity
b. Efficiently processing data on a single node
d. Solving problems on graphs distributed across multiple nodes

In distributed graph algorithms, what does the term “vertex-centric” refer to?

a. Focusing on hardware diversity
b. Processing vertices independently
c. Ignoring fault tolerance

Which algorithm is commonly used for finding the shortest paths in a distributed graph?

a. Depth-First Search (DFS)
c. Dijkstra’s algorithm
d. Prim’s algorithm

What is the primary purpose of the MapReduce algorithm in distributed graph processing?

b. Fault tolerance
d. Data parallelism

In distributed graph algorithms, what is the significance of the “communication cost”?

a. The cost of hardware diversity
b. The cost of load balancing
c. The overhead of communication between nodes
d. The efficiency of parallel processing

What role does the Bulk Synchronous Parallel (BSP) model play in distributed graph algorithms?

b. Synchronizing computation and communication
c. Maximizing fault tolerance

In distributed graph algorithms, what does the term “neighborhood” refer to?

a. The set of vertices in the graph
b. The communication cost between nodes
c. The hardware diversity of the system
d. The set of vertices adjacent to a particular vertex

Which algorithm is commonly used for detecting cycles in a distributed graph?

a. Depth-First Search (DFS)
c. Floyd-Warshall algorithm
d. Kruskal’s algorithm

In distributed graph algorithms, what does the term “edge-centric” refer to?

a. Focusing on hardware diversity
b. Processing edges independently
c. Ignoring fault tolerance

What is the primary objective of the PageRank algorithm in distributed graph processing?

a. Detecting cycles in the graph
b. Finding the shortest paths
c. Ranking the importance of vertices in a graph

In distributed graph algorithms, what is the purpose of the “superstep” in the Bulk Synchronous Parallel (BSP) model?

a. Communicating between nodes
b. Synchronizing computation and communication
c. Minimizing fault tolerance

Which algorithm is commonly used for finding the connected components in a distributed graph?

a. Depth-First Search (DFS)
c. Union-Find algorithm
d. Dijkstra’s algorithm

In distributed graph algorithms, what is the significance of the “master node”?

a. The node with the most hardware diversity
b. The node responsible for load balancing
c. The central node coordinating the distributed computation
d. The node with the highest fault tolerance

What is the primary purpose of the Giraph framework in distributed graph processing?

b. Fault tolerance
d. Implementing vertex-centric algorithms

In distributed graph algorithms, what does the term “graph partitioning” refer to?

a. Separating vertices from edges
b. Dividing the graph into subgraphs for parallel processing
c. Minimizing hardware diversity

Which algorithm is commonly used for finding the minimum spanning tree in a distributed graph?

a. Depth-First Search (DFS)
c. Kruskal’s algorithm
d. Dijkstra’s algorithm

In distributed graph algorithms, what is the role of the “halting condition”?

a. Determining the optimal load balancing
b. Specifying the hardware diversity of the system
c. Indicating when the computation is complete
d. Ignoring fault tolerance

What is the primary focus of the GraphLab framework in distributed graph processing?

b. Fault tolerance
d. Implementing vertex-centric and edge-centric algorithms

In distributed graph algorithms, what does the term “asynchronous processing” refer to?

a. Simultaneous computation and communication
b. Sequential computation without communication
c. Minimizing fault tolerance

Which algorithm is commonly used for finding the strongly connected components in a distributed graph?

a. Depth-First Search (DFS)
c. Kosaraju’s algorithm
d. Kruskal’s algorithm

In distributed graph algorithms, what does the term “message passing” refer to?

a. The exchange of information between vertices
b. The optimization of load balancing
c. Minimizing hardware diversity
d. Ignoring fault tolerance

What is the primary focus of the Pregel framework in distributed graph processing?

b. Fault tolerance
d. Implementing vertex-centric algorithms

In distributed graph algorithms, what is the purpose of the “message combiner”?

a. Minimizing fault tolerance
b. Reducing hardware diversity
d. Aggregating messages to reduce communication overhead

Which algorithm is commonly used for finding the articulation points in a distributed graph?

a. Depth-First Search (DFS)
c. Tarjan’s algorithm
d. Prim’s algorithm

In distributed graph algorithms, what does the term “graph pruning” refer to?

a. The removal of vertices with high fault tolerance
b. The optimization of load balancing
c. Minimizing hardware diversity
d. Eliminating unnecessary vertices and edges to reduce computation

What is the primary purpose of the Apache Flink Gelly library in distributed graph processing?

b. Fault tolerance
d. Implementing graph algorithms

In distributed graph algorithms, what does the term “graph traversal” refer to?

a. The exchange of information between vertices
b. Sequential computation without communication
c. Navigating through the vertices and edges of the graph

What is the primary focus of the Apache Giraph framework in distributed graph processing?

b. Fault tolerance
d. Implementing vertex-centric algorithms

In distributed graph algorithms, what is the purpose of the “aggregator”?

a. Minimizing fault tolerance
b. Reducing hardware diversity
d. Aggregating global information during computation

Which algorithm is commonly used for finding the maximum flow in a distributed graph?

a. Depth-First Search (DFS)
c. Edmonds-Karp algorithm
d. Kruskal’s algorithm