Big Spatial Data

Question 1

Which geometry data type is suitable to represent the following feature?

ZIP Code boundaries

Answer 1

Polygon

Question 2

Which geometry data type is suitable to represent the following feature?

Shape and location of lakes.

Answer 2

Polygon

Question 3

Which geometry data type is suitable to represent the following feature?

Bus route

Answer 3

Linestring

Question 4

Which geometry data type is suitable to represent the following feature?

The GPS location of an image taken by smartphone

Answer 4

Point

Question 5

Which geometry data type is suitable to represent the following feature?

That path that a hiker took on a hiking trip

Answer 5

Linestring

Question 6

Which geometry data type is suitable to represent the following feature?

Taxi pickup and drop-off locations

Answer 6

point

Question 7

Which geometry data type is suitable to represent the following feature?

The location of a bus stop

Answer 7

Point

Question 8

Consider the following type of big spatial data applications and link each to one of the four big-data characteristics, i.e., Volume, Velocity, Variety, and Veracity. Choose the most appropriate one.

Weather forecast data that is inherently uncertain

Answer 8

Veracity

Question 9

Consider the following type of big spatial data applications and link each to one of the four big-data characteristics, i.e., Volume, Velocity, Variety, and Veracity. Choose the most appropriate one.

A data science application that combines raster data from satellites with vector data from GPS

Answer 9

Variety

Question 10

Consider the following type of big spatial data applications and link each to one of the four big-data characteristics, i.e., Volume, Velocity, Variety, and Veracity. Choose the most appropriate one.

Real-time data collected by autonomous vehicles and used to estimate traffic volume

Answer 10

Velocity

Question 11

Petabytes of historical satellite data

Answer 11

Volume