GIS 111 terminology

Which one of the items is the file extension for an ArcGIS Pro project?

• .ppkx

• .mxd

• .aprx

• .atbx

Answer explanation

.aprx is the correct file extension for an ArcGIS Pro project. The other options, .ppkx, .mxd, and .atbx, are associated with different types of files in the ArcGIS ecosystem.

A raster encoded with _____ can be used as a layer in a map.

• a resolution number

• a specified color range

• 0's and 1's

• geographic coordinates

Answer explanation

A raster encoded with geographic coordinates allows it to be accurately placed on a map, as these coordinates define the location of each pixel. Other options do not provide the necessary spatial reference for mapping.

A raster contains point, line, and polygon geometry.

• True

• False

Answer explanation

A raster is a grid-based data structure that represents continuous data, while point, line, and polygon geometries are vector formats. Therefore, the statement is false.

A feature class contains which of the following items?

• vector data

• attribute data associated with corresponding vector features

• raster data

• attributes associated with corresponding raster features

Answer explanation

A feature class primarily contains attribute data associated with corresponding vector features, which provide descriptive information about the vector data. The other options involve raster data, which is not part of a feature class.

Feature classes can contain which of the following geometry?

• pixel

• point

• line

• polygon

Answer explanation

Feature classes can contain point, line, and polygon geometries, which represent different spatial features. However, pixel is not a geometry type used in feature classes.

A raster is made up of _______.

• pixels

• none

• hello

Answer explanation

A raster is a grid of pixels, which are the smallest units of an image. Each pixel represents a specific color or value, making 'pixels' the correct answer.

A shapefile is the preferred ESRI format.

• True

• False

Answer explanation

The statement is false because while shapefiles are widely used, they are not the only format supported by ESRI. Other formats like File Geodatabase and GeoJSON are also preferred depending on the use case.

A file geodatabase stores feature classes, raster databases, and other related files

• True

• False

Answer explanation

True. A file geodatabase is designed to store various types of data, including feature classes, raster datasets, and other related files, making it a versatile data management system.

A project can have more than one map, does not contain spatial data but pulls in spatial data stored elsewhere.

• True

• False

Answer explanation

The statement is true because a project can indeed have multiple maps and can reference spatial data from external sources without containing it directly.

A file geodatabase has which one of the following extensions?

• .mdb

• .sql

• .gdb

• .accdb

Answer explanation

.gdb is the correct extension for a file geodatabase, which is a collection of various types of geographic data. The other options, .mdb, .sql, and .accdb, are associated with different database formats.