FUNDAMENTALS OF COMPUTER

DATABASE FUNDAMENTALS

BASICS OF BIG DATA

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following are provided by spark API for graph parallel computations:i. joinVerticesii. subgraphiii. aggregateMessages
A
Only (i)
B
Only (i) and (ii)
C
Only (ii) and (iii)
D
All of the mentioned
Explanation: 

Detailed explanation-1: -GraphX is Apache Spark’s API for graphs and graph-parallel computation. GraphX unifies ETL (Extract, Transform & Load) process, exploratory analysis and iterative graph computation within a single system.

Detailed explanation-2: -Which of the following statements are true in the context of Apache Spark GraphX operators ? S1: Property operators modify the vertex or edge properties using a user defined map function and produces a new graph.

There is 1 question to complete.