GIS Web GIS and Services 2

Question 1

Which HTTP method is typically used by a WFS GetFeature request to retrieve vector features from a web service?

Accepted Answer

GET or POST

Answer

WFS supports both GET (KVP encoding) and POST (XML encoding) for GetFeature requests.

Question 2

What does the acronym CSW stand for in the context of geospatial web services?

Accepted Answer

Catalog Service for the Web

Answer

CSW (Catalog Service for the Web) is an OGC standard for publishing and searching collections of geospatial metadata.

Question 3

In a RESTful GIS API, which response format is most commonly used for exchanging vector geographic data?

Accepted Answer

GeoJSON

Answer

GeoJSON is the de facto standard format for RESTful GIS APIs because it is lightweight and natively understood by browsers and JavaScript libraries.

Question 4

What is the primary purpose of an OGC Web Processing Service (WPS)?

Accepted Answer

Execute geoprocessing operations on a server

Answer

WPS provides a standard interface for publishing and executing geospatial processes (e.g., buffer, clip, intersect) on a remote server.

Question 5

Which tile pyramid scheme is used by Google Maps, Bing Maps, and most modern web mapping libraries by default?

Accepted Answer

XYZ/Slippy Map tiles

Answer

The XYZ (Slippy Map) scheme with z/x/y URL templates is the de facto standard used by Google Maps, OpenStreetMap, and Leaflet.

GIS - Geographic Information System Practice Test