Firewalls

question 56

Multiple Choice

Firewalls:

• A)Prevent internal users from accessing unacceptable web sites through the intranet
• B)Permit internal users direct access to the Internet to accomplish B2B transactions
• C)Prevent vendors from viewing inventory levels via the intranet
• D)Prevent external users from accessing the extranet or intranet

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Definitions:

Risk-Free Return

The theoretical return on an investment with zero risk, typically associated with government bonds.

Jensen's Measure

A performance evaluation tool that measures the excess return of a portfolio above the expected return, accounting for risk.

Risk-Free Return

The theoretical return on an investment with zero risk, typically represented by government securities like Treasury bills.

Beta

A measure of a stock's volatility in relation to the overall market; a beta greater than 1 indicates higher than market volatility.