Question

Question 1

1. Which of the following sources is likely to produce Big Data the fastest?

   		online customers
   		RFID tags
   		order entry clerks
   		cashiers

2 points

Question 2

1. In a Hadoop "stack," what node periodically replicates and stores data from the Name Node should it fail?

   		backup node
   		substitute node
   		secondary node
   		slave node

2 points

Question 3

1. GPS Navigation is an example of which kind of location-based analytics?

   		consumer-oriented geospatial static approach
   		consumer-oriented location-based dynamic approach
   		organization-oriented geospatial static approach
   		organization-oriented location-based dynamic approach

2 points

Question 4

1. Using this model, companies can deploy their software and applications in the cloud so that their customers can use them.

   		DaaS
   		PaaS
   		SaaS
   		IaaS

2 points

Question 5

1. This method calculates the values of the inputs necessary to achieve a desired level of an output.

   		what-if
   		sensitivity
   		LP
   		goal seek

2 points

Question 6

1. In the Twitter case study, how did influential users support their tweets?

   		opinion
   		references to other users
   		multiple posts
   		objective data

2 points

Question 7

1. A decision tree can be cumbersome if there are

   		many alternatives.
   		pre-existing decision tables.
   		few alternatives.
   		uncertain results.

2 points

Question 8

1. A more general form of an influence diagram is called a(n)

   		static model.
   		environmental scan.
   		cognitive map.
   		forecast.

2 points

Question 9

1. Which of the following is the order of simulation methodology?

   		Define the problem, Construct the simulation model, Test and validate the model, Design the experiment, Conduct the experiment, Implement the results, Evaluate the results.
   		Define the problem, Construct the simulation model, Test and validate the model, Design the experiment, Conduct the experiment, Evaluate the results, Implement the results.
   		Construct the simulation model, Test and validate the model, Define the problem, Design the experiment, Conduct the experiment, Evaluate the results, Implement the results.
   		Define the problem, Construct the simulation model, Test and validate the model, Evaluate the results, Implement the results, Design the experiment, Conduct the experiment.

Answer 1

1)  RFID tags
2)  secondary node
3)  consumer-oriented geospatial static approach
4)  PaaS
5)  goal seek
6)  objective data
7)  many alternatives.
8)  cognitive map
9)  Define the problem, construct the simulation model, test and validate the model, design the experiment, conduct the experiment, evaluate the results, implement the results