Does a VPN use link encryption or end-to-end encryption? Justify your answer.

What will be an ideal response?

A VPN is point-­?to-­?point encryption. It may be on a single link, or it may tunnel through a more complex network; in the latter case it resembles end-­?to-­?end encryption.

Computer Science & Information Technology

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Three abstractions for resources are used in TinyOS: dedicated, virtualized, and ________

Fill in the blank(s) with the appropriate word(s).

Computer Science & Information Technology

Visit the Web site for Visible Analyst® or another CASE tool, and investigate licensing options. Are network installations limited by the number of workstations, the number of users at any one time, or other constraints? Write a brief report with your findings.

What will be an ideal response?

Computer Science & Information Technology