Question 1

The concept behind buffering is similar to proximity in spatial data query. Provide an example in which you must use buffering instead of spatial data query.

Accepted Answer

Buffering is a concept in spatial data a

Question 2

Which of the following is true about buffering?

Accepted Answer

A)  You have the options of creating a single ring or multiple rings. 
B)  You can either dissolve the buffer zones or keep the buffer zones separate. 
C)  You can buffer with different buffer distances. 
D)  You can either dissolve the buffer zones or keep the buffer zones seperate and you can have the options of creating a single ring or multiple rings. 
E)  All of these are correct. 
A)  You have the options of creating a single ring or multiple rings. 
B)  You can either dissolve the buffer zones or keep the buffer zones separate. 
C)  You can buffer with different buffer distances. 
D)  You can either dissolve the buffer zones or keep the buffer zones seperate and you can have the options of creating a single ring or multiple rings. 
E)  All of these are correct.

Question 3

Which operation can remove boundaries between polygons that have the same value of a select attribute?

Accepted Answer

A)  Dissolve 
B)  Merge 
C)  Clip 
A)  Dissolve 
B)  Merge 
C)  Clip

Question 4

Which overlay method preserves only those features that fall within the area extent common to the input and overlay layers?

Accepted Answer

A)  Identity 
B)  Intersect 
C)  Symmetrical difference 
D)  Union 
A)  Identity 
B)  Intersect 
C)  Symmetrical difference 
D)  Union

Question 5

A line-in-polygon operation produces a line layer, which typically has more records (features) than the input line layer. Why?

Accepted Answer

A line-in-polygon operation is a type of

Question 6

Define "slivers" from an overlay operation.

Accepted Answer

In the context of geographic information

Question 7

Error propagation in overlay operations can be caused by:

Accepted Answer

A)  inaccuracies of attribute data 
B)  both of these are correct 
C)  digitizing errors 
A)  inaccuracies of attribute data 
B)  both of these are correct 
C)  digitizing errors

Question 8

Which overlay method uses the Boolean operation of XOR?

Accepted Answer

A)  Symmetrical difference 
B)  Union 
C)  Identity 
D)  Intersect 
A)  Symmetrical difference 
B)  Union 
C)  Identity 
D)  Intersect

Question 9

If you use a line layer and a polygon layer in an overlay operation, the output will be:

Accepted Answer

A)  a line layer and a polygon layer together 
B)  a line layer 
C)  a polygon layer 
A)  a line layer and a polygon layer together 
B)  a line layer 
C)  a polygon layer

Question 10

Both Moran'I and the G-statistic have the global (general) and local versions. How do these two versions differ in terms of pattern analysis?

Accepted Answer

Moran's I and the G-statistic are spatia

Question 11

Explain the polygon-on-polygon operation.

Accepted Answer

The polygon-on-polygon operation refers

Question 12

Both Erase and Eliminate can remove map features from a layer. Explain how the two commands differ in usage.

Accepted Answer

In the context of Geographic Information

Question 13

How does Ripley's K-Function differ from nearest neighbor analysis?

Accepted Answer

Ripley's K-function and nearest neighbor

The concept behind buffering is similar to proximity in spatial data query. Provide an example in which you must use buffering instead of spatial data query.

Which of the following is true about buffering?

Which operation can remove boundaries between polygons that have the same value of a select attribute?

Which overlay method preserves only those features that fall within the area extent common to the input and overlay layers?

A line-in-polygon operation produces a line layer, which typically has more records (features) than the input line layer. Why?

Define "slivers" from an overlay operation.

Error propagation in overlay operations can be caused by:

Which overlay method uses the Boolean operation of XOR?

If you use a line layer and a polygon layer in an overlay operation, the output will be:

Both Moran'I and the G-statistic have the global (general) and local versions. How do these two versions differ in terms of pattern analysis?

Explain the polygon-on-polygon operation.

Both Erase and Eliminate can remove map features from a layer. Explain how the two commands differ in usage.

How does Ripley's K-Function differ from nearest neighbor analysis?

Introduction

Coordinate Systems

Vector Data Model

Raster Data Model

GIS Data Acquisition

Geometric Transformation

Spatial Data Accuracy and Quality

Attribute Data Management

Data Display and Cartography

Data Exploration

Raster Data Analysis

Terrain Mapping and Analysis

Viewshed and Watershed Analysis

Spatial Interpolation

Geocoding and Dynamic Segmentation

Least Cost Path and Network Analysis

GIS Models and Modeling

Filters

Exam 11: Vector Data Analysis

The concept behind buffering is similar to proximity in spatial data query. Provide an example in which you must use buffering instead of spatial data query.

Which of the following is true about buffering?

Which operation can remove boundaries between polygons that have the same value of a select attribute?

Which overlay method preserves only those features that fall within the area extent common to the input and overlay layers?

A line-in-polygon operation produces a line layer, which typically has more records (features) than the input line layer. Why?

Define "slivers" from an overlay operation.

Error propagation in overlay operations can be caused by:

Which overlay method uses the Boolean operation of XOR?

If you use a line layer and a polygon layer in an overlay operation, the output will be:

Both Moran'I and the G-statistic have the global (general) and local versions. How do these two versions differ in terms of pattern analysis?

Explain the polygon-on-polygon operation.

Both Erase and Eliminate can remove map features from a layer. Explain how the two commands differ in usage.

How does Ripley's K-Function differ from nearest neighbor analysis?

Introduction

Coordinate Systems

Vector Data Model

Raster Data Model

GIS Data Acquisition

Geometric Transformation

Spatial Data Accuracy and Quality

Attribute Data Management

Data Display and Cartography

Data Exploration

Raster Data Analysis

Terrain Mapping and Analysis

Viewshed and Watershed Analysis

Spatial Interpolation

Geocoding and Dynamic Segmentation

Least Cost Path and Network Analysis

GIS Models and Modeling

Filters