Quiz 1

Question 1

what is GIS

Answer 1

geographic information system

Question 2

what is a basemap

Answer 2

reference layer that provides background info such as streets, terrain, or satellite imagery to contextualize GIS data

Question 3

vector data

Answer 3

points, lines.polygons

Question 4

raster data

Answer 4

grid of pixels where each pixels represents a value

Question 5

a layer

Answer 5

collection of spacial data representing different features

Question 6

attribute

Answer 6

information about a geographic feature stored in a table

Question 7

geoprocessing

Answer 7

operations performed on spacial data like clipping, spacial analysis, etc

Question 8

“select by attribute”

Answer 8

allows filter on data based on field values

Question 9

“select by location”

Answer 9

selects features based on spacial relationship to other features

Question 10

symbology

Answer 10

how features are represented on a map: colors, symbols, patterns

Question 11

graduated symbols

Answer 11

vary in size based on numeric attribute

Question 12

graduated color

Answer 12

varies in color intensity to represent value ranges

Question 13

relational data

Answer 13

connects multiple tables using a common field

Question 14

data query

Answer 14

retrieves specific info from a dataset using SQL expressions or selection tools

Question 15

shapefile

Answer 15

vector file format consisting of :
.shp (geometry)
.shx (spatial index)
.dbf (attribute tables)

Question 16

attribute query

Answer 16

selects features based of field values

Question 17

spacial query

Answer 17

selects attributes based on geographic relationship

Question 18

attribute join

Answer 18

combines two tables using a common field, to link additional information

Question 19

join table

Answer 19

stores additional data that can be linked to spatial dataset using shared field

Question 20

classifications methods for symbology

Answer 20

natural breaks (jerks)
equal interval
quantile
standard dev

Question 21

layer file

Answer 21

.lyrx
stores symbology and settings for a dataset, to reuse styling in different projects

Question 22

relate vs attribute join

Answer 22

relate-temporary link between two tables
join- permanently combines tables

Question 23

intersect tool

Answer 23

finds overlapping features between two layers and creates a new dataset

Question 24

one to one join

Answer 24

single record in one table to single record in another ex) county ID to county name

Question 25

one to many join

Answer 25

single record to multiple records ex) state ID to multiple cities

Question 26

how to make new project

Answer 26

open pro>new project>select blank project or template>name and save project> create folder connection

Question 27

contents pane

Answer 27

layers, symbology, table of contents of current map

Question 28

catalog pane

Answer 28

data sources, geodatabases, toolboxes, project files

Question 29

add existing map

Answer 29

insert>import map> select .mapx or .mxd file

Question 30

folder connection

Answer 30

provides access to external databases and maintains organization

Question 31

explore tool

Answer 31

pan, zoom, and identify features on a map

Question 32

attribute table

Answer 32

stores feature attributes, ID, name, numerical data

Question 33

FID and OID

Answer 33

Feature ID and Object ID in a dataset

Question 34

red "!" next to layer

Answer 34

data source is missing or disconnected

Question 35

import layer symbology to another layer

Answer 35

right click layer>symbology>import symbology