At Which Layer Does a Packet Filtering Firewall Check Data

question 477

Multiple Choice

At which layer does a packet filtering firewall check data packets?

• A) Application layer
• B) Physical layer
• C) Network layer
• D) Link layer

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Definitions:

Risky Asset

An asset whose returns can vary considerably and are not predictable, presenting a higher chance of loss.

Risk-free Asset

An investment that is assumed to have no risk of financial loss, typically represented by government bonds.

Beta

A measure of a stock's volatility in relation to the stock market as a whole, indicating the risk associated with investing in a particular stock.

CAPM

The Capital Asset Pricing Model, a formula that describes the relationship between systematic risk and expected return for assets, particularly stocks.