GIS GIS - Geographic Information System Network Analysis and Transportation Questions and Answers 2

Question 1

Which concept describes the ability of a network edge to be traveled in only one direction?

Accepted Answer

One-way restriction

Answer

Turn restriction

Answer

Edge directionality

Answer

Flow constraint

Question 2

In GIS, what is a 'network junction' (node)?

Accepted Answer

A point where two or more network edges meet or intersect

Answer

A road segment with an assigned speed limit

Answer

A polygon feature defining a service zone

Answer

A raster cell representing road surface quality

Question 3

Location-allocation analysis in GIS is used to:

Accepted Answer

Find the optimal placement of facilities to best serve a set of demand points

Answer

Calculate shortest paths between facility pairs

Answer

Generate buffers around transit stops

Answer

Assign address ranges to street segments

Question 4

What does 'connectivity policy' determine in a GIS network dataset?

Accepted Answer

How and when edges and junctions connect to each other

Answer

The maximum allowable vehicle weight per edge

Answer

The coordinate reference system of the network

Answer

The rendering symbology for road classes

Question 5

In transit network analysis, what is a 'headway'?

Accepted Answer

The time interval between successive transit vehicle departures on a route

Answer

The distance between two consecutive bus stops

Answer

The maximum capacity of a transit vehicle

Answer

The fare cost assigned to a transit segment

Question 6

Which GIS technique is used to model the flow of traffic or resources through a network to identify congestion points or bottlenecks?

Accepted Answer

Network flow analysis

Answer

Topological overlay

Answer

Spatial autocorrelation

Answer

Kernel density estimation