Practice Quiz

Question 1

Spacial data acquisition is achieved by means of:

Answer 1

• Sattelite & remote sensing
• Handheld & Vehicle GPS
• Unmanned Aerial Vehicles

Question 2

Is Universal Transverse Mercator an example of geographic projection system

Answer 2

No

Question 3

Selecting data based on the specific content stored in a field refers to what

Answer 3

Select by attribute

Question 4

Key applications of GIS is used in:

Answer 4

-environmental Science
- Agriculture
- Demographic studies

Question 5

Map, Insert, Analysis, View, Edit, Imagery and Share are tools located in:

Answer 5

The Ribbon

Question 6

The ITM co-ordinate for the spire of Dublin is: 715830, 734697 which means,

Answer 6

The fist figure is the easting and means that the location is 715830 metres east from the false origin (along the X axis).
The second figure is the northing and puts the location 734697 metres north of the false origin (along the Y axis)

Question 7

What does a projected coordinate system have?

Answer 7

Constant lengths, angles, and areas across the two dimensions

Question 8

Spectral data from satellite imagery is made up by:

Answer 8

Pixels

Question 9

Uniform cell size is a description of:

Answer 9

Raster data

Question 10

What does clipping achieve

Answer 10

Use it when you want to cut out a piece of one feature class using one or more of the features in another feature class as a cookie cutter.

Question 11

What do you intersect for

Answer 11

This takes both feature classes as inputs and outputs features from both layers, overlaying or not, and creates a new feature class sharing the same spatial extent.

Question 12

When would you want to merge

Answer 12

To combine multiple datasets into a single new output dataset

Question 13

How are land parcels represented in GIS

Answer 13

By Polygons
Polygons are used in GIS to measure the area and perimeter of a particular location.

Question 14

Roads would be what kind of data

Answer 14

Line

Question 15

96^0 30’ 00’’ is an example of what coordinate format?

Answer 15

Degrees, minutes and seconds

Question 16

Another way to describe a shapefile

Answer 16

Shapefiles are a type of feature class.
So a polygon feature class

Question 17

An example of a raster file

Answer 17

pH layer

Question 18

Vector data is represented as:

Answer 18

Either points, lines, or polygons.

Question 19

The two main types of files used in GIS are

Answer 19

Geospatial data is created, shared, and stored in many different formats. The two primary data types are raster and vector.

Question 20

Examples of continuous data in raster GIS include

Answer 20

Elevation or temperature data.

Question 21

An example of vector data in GIS

Answer 21

Point Data: Data that specifies a single location, such as important points, electric poles, and valves belonging to the water network. …
Line Data: Data that connects natural or artificial structures, such as roads, rivers, railways, telecommunications lines, and ship routes.