Combine This Technology with a Firewall for a Very Safe

question 48

Multiple Choice

Combine this technology with a firewall for a very safe way to connect two private networks over the Internet.

• A)proxy service
• B)DMZ
• C)firewall
• D)VPN

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Definitions:

IRR

The Internal Rate of Return is a financial metric used to estimate the profitability of potential investments, calculated as the rate that makes the net present value (NPV) of all cash flows from a particular project equal to zero.

NPV

Net Present Value; a financial metric used to evaluate the profitability of an investment, calculated by subtracting the initial investment from the present value of cash inflows.

AAR

Average Annual Return; calculating the mean annual return of an investment over a specified time period.

Discounted Payback

An investment appraisal method that calculates the time required to break even in present value terms, factoring in the time value of money.