Please select one from these multiple choices.

$6-$ What is the key assumption in the transportation model?

All supply and demand quantities are known and fixed.

Supply and demand quantities can vary within a certain range.

There are no supply or demand constraints.

The transportation cost is constant for all routes.

$7-$ How is the optimal solution obtained in transportation analysis using Excel?

By manually adjusting the values until the solution is optimal

By using the Solver tool with appropriate constraints and objective function

By using the Goal Seek tool to find the optimal solution

By using the Data Analysis Toolpak with appropriate functions

$8-$What does the concept of "network analysis" refer to$?$

Analyzing the flow of goods and services in an economy

Analyzing the performance of a computer network

Analyzing transportation routes and paths in a network

Analyzing the connectivity of social networks

$9-$Which Excel feature is commonly used for network analysis?

Conditional Formatting

PivotTables

Power Query

Power Map

$10-$What is the purpose of network analysis in transportation planning?

To identify bottlenecks and optimize the flow of traffic

To calculate the shortest path between two locations

To analyze the cost$-$effectiveness of different transportation routes

All of the above