Refer to the Exhibit

question 3

Multiple Choice

Refer to the exhibit. Which two topology changes happen to the IS-IS routers? (Choose two.)

• A) R1 and R4 are Level 2 neighbors
• B) All four routers are operating as Level 1-2 routers
• C) All four routers are operating as Level 2 routers only
• D) R1 and R2 are Level 2 neighbors
• E) All four routers are operating as Level 1 routers only

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Definitions:

Direct Price Discrimination

A pricing strategy where a seller charges different prices to different customers for the same product or service, based on their willingness to pay.

Inelastic Demand

A situation in which demand for a good or service is barely affected by changes in price.

Elastic Demand

When consumer demand for a product significantly rises or falls following a small change in its price.

Price Discrimination

The practice of selling the same product to different buyers at different prices, based on factors other than cost.