GIS GIS - Geographic Information System Network Analysis and Transportation Questions and Answers

Question 1

Which GIS network analysis function finds the shortest path between two points based on travel cost or distance?

Accepted Answer

Route analysis

Answer

Closest facility

Answer

Service area analysis

Answer

OD cost matrix

Question 2

In a GIS network dataset, what attribute defines how much it costs to travel along an edge (road segment)?

Accepted Answer

Impedance

Answer

Hierarchy

Answer

Connectivity

Answer

Descriptor

Question 3

A service area polygon in network analysis represents:

Accepted Answer

All locations reachable from a facility within a given cost threshold

Answer

The bounding box of the network dataset

Answer

The convex hull of all network nodes

Answer

The buffer around a road centerline

Question 4

Which network analysis solver identifies the nearest facility to a set of incidents from a list of candidate facilities?

Accepted Answer

Closest facility solver

Answer

Route solver

Answer

Service area solver

Answer

Location-allocation solver

Question 5

In GIS transportation analysis, a 'turn restriction' is used to:

Accepted Answer

Prevent or penalize specific turn movements at intersections

Answer

Limit the number of vehicles on a road

Answer

Define speed limits on road segments

Answer

Identify one-way streets

Question 6

The Origin-Destination (OD) Cost Matrix solver in GIS network analysis is primarily used to:

Accepted Answer

Calculate travel costs from multiple origins to multiple destinations simultaneously

Answer

Find the single shortest route for a delivery truck

Answer

Generate isochrone maps for emergency planning

Answer

Identify gaps in road network connectivity