1. Which of the following are visual variables used for map design? a) figure-gr

Question

1. Which of the following are visual variables used for map design?

a) figure-ground, hierarchy, contrast, balance

b) orientation, shape, arrangement, hue

c) choropleth, isopleth, graduated symbol, proportional symbol

d) RGB, CMYK, HSV

2. You are given a map where the data have been classified into 3 classes, and the classes are represented by squares of increasing size according to increasing data value. This map type uses:

a) classified symbols

b) proportional symbols

c) graduated symbols

d) choropleth symbols

3. Given two feature classes, each containing the nesting areas of a different bird species, which overlay tool would you use to create a new feature class containing only the nesting areas common to both species?

a) update

b) union

c) intersect

d) spatial join

4. What does the following query statement select: "Parcel_number" LIKE '%20%'

a) all parcels with a parcel number that starts with 20

b) all parcels with a parcel number that ends with 20

c) all parcels with a parcel number that contains the numbers 2 and 0

d) all parcels with a parcel number that contains the number 20

please explain

Explanation / Answer

1. Which of the following are visual variables used for map design?

Ans: b) orientation, shape, arrangement, hue (These are the features which controll the visual appearance of the map.)

2. You are given a map where the data have been classified into 3 classes, and the classes are represented by squares of increasing size according to increasing data value. This map type uses:

Ans: b) proportional symbols ( Proportional symbols are proportional to the data value found at that location.)

4. What does the following query statement select: "Parcel_number" LIKE '%20%'

Ans: d) all parcels with a parcel number that contains the number 20 ( The percent symbol (%) means that anything is acceptable in its place: one character, a hundred characters, or no character. )

3. Given two feature classes, each containing the nesting areas of a different bird species, which overlay tool would you use to create a new feature class containing only the nesting areas common to both species?

Ans: b) union (union is a tool which can calculate the geometric union of many feature classes or layers.)

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