Question 1

LIDAR uses which of the following to create a digital terrain model?

Accepted Answer

A) Satellite imagery 
B) Radar waves 
C) GPS 
D) Laser beams 
A) Satellite imagery 
B) Radar waves 
C) GPS 
D) Laser beams D

Question 2

Imaginary lines on a map that represent areas of constant elevation are

Accepted Answer

A) bands. 
B) contours. 
C) digital line graphs. 
D) collars. 
A) bands. 
B) contours. 
C) digital line graphs. 
D) collars. B

Question 3

Small-scale maps would use

Accepted Answer

A) a wider contour interval than a large scale map. 
B) a narrower contour interval than a large scale map. 
C) the same contour interval as a large scale map. 
D) no contour intervals due to the small scale of the map. 
A) a wider contour interval than a large scale map. 
B) a narrower contour interval than a large scale map. 
C) the same contour interval as a large scale map. 
D) no contour intervals due to the small scale of the map. B

Question 4

A 1:24000 scale topographic map will show how much geographic area?

Accepted Answer

A) 7.5 minutes of latitude by 7.5 minutes of longitude 
B) 24,000 feet by 24,000 feet 
C) 15 miles by 15 miles 
D) 8000 meters by 8000 meters 
A) 7.5 minutes of latitude by 7.5 minutes of longitude 
B) 24,000 feet by 24,000 feet 
C) 15 miles by 15 miles 
D) 8000 meters by 8000 meters

Question 5

By applying vertical exaggeration to a model,which of the following will occur?

Accepted Answer

A) The elevation values are adjusted to fit with the different elevation values of the NED. 
B) The horizontal scale of the model is altered to accommodate the scale of related satellite imagery. 
C) A satellite image is draped over the terrain,making it appear more realistic. 
D) The vertical scale is made larger than the horizontal scale. 
A) The elevation values are adjusted to fit with the different elevation values of the NED. 
B) The horizontal scale of the model is altered to accommodate the scale of related satellite imagery. 
C) A satellite image is draped over the terrain,making it appear more realistic. 
D) The vertical scale is made larger than the horizontal scale.

Question 6

Only being able to show one elevation value for each x/y pair of coordinates is a conceptualization of a(n)

Accepted Answer

A) 2-dimensional model. 
B) 2.5-dimensional model. 
C) 3-dimensional model. 
D) E-dimensional model. 
A) 2-dimensional model. 
B) 2.5-dimensional model. 
C) 3-dimensional model. 
D) E-dimensional model.

Question 7

A DRG is a(n)

Accepted Answer

A) scanned version of a USGS topo map. 
B) digitized version of features on a USGS topo map. 
C) remotely sensed image overlaid on a USGS topo map. 
D) aerial photo that covers the same area as a USGS topo map. 
A) scanned version of a USGS topo map. 
B) digitized version of features on a USGS topo map. 
C) remotely sensed image overlaid on a USGS topo map. 
D) aerial photo that covers the same area as a USGS topo map.

Question 8

A digital terrain model that consists of regularly sampled points of elevation is a

Accepted Answer

A) DLG. 
B) TIN. 
C) DEM. 
D) TEd. 
A) DLG. 
B) TIN. 
C) DEM. 
D) TEd.

Question 9

The SRTM performed which of the following?

Accepted Answer

A) Used radar waves from space to map the terrain surfaces of the Earth 
B) Used radio waves from space to create a full three-dimensional model of the Earth 
C) Used both radar and sonar to create a map of the Earth's surface (and the objects on the surface) 
D) Used radar to map the heights of the oceans to create a new permanent vertical datum 
A) Used radar waves from space to map the terrain surfaces of the Earth 
B) Used radio waves from space to create a full three-dimensional model of the Earth 
C) Used both radar and sonar to create a map of the Earth's surface (and the objects on the surface) 
D) Used radar to map the heights of the oceans to create a new permanent vertical datum

Question 10

In hillshading,the user would set which two paramaters?

Accepted Answer

A) The vertical datum and the grid cell resolution 
B) The altitude of the sun and its location in relation to the Earth 
C) The vertical accuracy of the model and the steepness of the terrain 
D) The angle of the sun's rays and the vertical exaggeration of the model 
A) The vertical datum and the grid cell resolution 
B) The altitude of the sun and its location in relation to the Earth 
C) The vertical accuracy of the model and the steepness of the terrain 
D) The angle of the sun's rays and the vertical exaggeration of the model

Question 11

In a digital terrain model,values for elevation are given as

Accepted Answer

A) E. 
B) H. 
C) T. 
D) Z 
A) E. 
B) H. 
C) T. 
D) Z

Question 12

The accuracy of a LIDAR model of terrain is about

Accepted Answer

A) 30 meters. 
B) 15 meters. 
C) 1 meter. 
D) 15 centimeters. 
A) 30 meters. 
B) 15 meters. 
C) 1 meter. 
D) 15 centimeters.

Question 13

A measurement of the rate of elevation change at a location is

Accepted Answer

A) viewshed. 
B) slope aspect. 
C) slope. 
D) perspective. 
A) viewshed. 
B) slope aspect. 
C) slope. 
D) perspective.

Question 14

A determination of the direction of the steepest slope for an area is

Accepted Answer

A) perspective. 
B) viewshed. 
C) slope. 
D) slope aspect. 
A) perspective. 
B) viewshed. 
C) slope. 
D) slope aspect.

Question 15

A commonly used vertical datum is

Accepted Answer

A) the core of the Earth. 
B) the north pole. 
C) high tide. 
D) mean sea level. 
A) the core of the Earth. 
B) the north pole. 
C) high tide. 
D) mean sea level.

LIDAR uses which of the following to create a digital terrain model?

Imaginary lines on a map that represent areas of constant elevation are

Small-scale maps would use

A 1:24000 scale topographic map will show how much geographic area?

By applying vertical exaggeration to a model,which of the following will occur?

Only being able to show one elevation value for each x/y pair of coordinates is a conceptualization of a(n)

A DRG is a(n)

A digital terrain model that consists of regularly sampled points of elevation is a

The SRTM performed which of the following?

In hillshading,the user would set which two paramaters?

In a digital terrain model,values for elevation are given as

The accuracy of a LIDAR model of terrain is about

A measurement of the rate of elevation change at a location is

A determination of the direction of the steepest slope for an area is

A commonly used vertical datum is

Its A Geospatial World Out There

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Finding Your Location With the Global Positioning System

Working With Digital Spatial Data and GIS

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Using GIS to Make a Map

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Exam 13: Digital Landscaping

LIDAR uses which of the following to create a digital terrain model?

Imaginary lines on a map that represent areas of constant elevation are

Small-scale maps would use

A 1:24000 scale topographic map will show how much geographic area?

By applying vertical exaggeration to a model,which of the following will occur?

Only being able to show one elevation value for each x/y pair of coordinates is a conceptualization of a(n)

A DRG is a(n)

A digital terrain model that consists of regularly sampled points of elevation is a

The SRTM performed which of the following?

In hillshading,the user would set which two paramaters?

In a digital terrain model,values for elevation are given as

The accuracy of a LIDAR model of terrain is about

A measurement of the rate of elevation change at a location is

A determination of the direction of the steepest slope for an area is

A commonly used vertical datum is

Its A Geospatial World Out There

Where in the Geospatial World Are You

Getting Your Data to Match the Map

Finding Your Location With the Global Positioning System

Working With Digital Spatial Data and GIS

Esri Arcnews, Arcuser, and Arcwatch

Using GIS to Make a Map

Getting There Quicker With Geospatial Technology

Remotely Sensed Images From Above

How Remote Sensing Works

Images From Space

Studying the Environment From Space

See the World in 3D

Whats Next for Geospatial Technology

Filters