When a Downstream ProxySG Requests an Object That Already Is

question 10

True/False

When a downstream ProxySG requests an object that already is cached in an upstream ProxySG, the downstream ProxySG checks the object's freshness with the origin content server.

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Definitions:

Supply Equation

An algebraic equation that represents the relationship between the quantity supplied of a good and its price, holding other factors constant.

Price Floor

A government or regulatory imposed minimum price above which a particular good or service cannot be traded.

Shortage/Surplus

A market condition where the quantity of a good supplied is less/more than the quantity demanded at the market price.

Price Ceiling

A price ceiling is a government-imposed limit on how high a price can be charged for a product or service, intended to protect consumers from prices that are deemed too high.