Simon Is in Charge of Network Security at a Medium-Sized

question 4

Multiple Choice

Simon is in charge of network security at a medium-sized company. His boss has asked him to give an overview of the company's network security to the board of directors. Simon tells the board that he uses a(n) ____ as an intermediary between a user and the Internet, ensuring security, administrative control, and caching service.

• A) proxy server
• B) firewall
• C) router
• D) hub

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Definitions:

Aggregate Demand

The collective requirement for goods and services in an economy, determined at a particular price point over a defined period.

Taxes

Compulsory contributions to state revenue, levied by the government on workers' income and business profits, or added to the cost of some goods, services, and transactions.

Aggregate Demand

The collective call for goods and services in an economy, marked at a certain price level for a given time interval.

Multiplier

The ratio of change in an economic output to a change in an input, such as the increase in public spending leading to a larger increase in the national income.