Because a Device Must Wait to Transmit Until It Receives

question 22

Multiple Choice

Because a device must wait to transmit until it receives the last reflected signal, this in effect puts a ceiling limit on the overall speed of the WLAN. What is the current ceiling for WLAN speed?

• A) under 10 Mbps
• B) between 10 and 20 Mbps
• C) between 20 and 30 Mbps
• D) over 50 Mbps

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Definitions:

Beta

A statistic that measures the volatility of a stock or portfolio compared to the market as a whole, used in the CAPM to calculate cost of equity.

Systematic Risk

The type of risk inherent to the entire market or an entire market segment, which cannot be mitigated through diversification.

Correlated Changes

Refers to situations where two or more variables move in relation to each other.

Economy

The large set of inter-related production and consumption activities that aid in determining how scarce resources are allocated.