Proxy servers perform operations on ____-level data.
A. application
B. header
C. data link
D. transport
Answer: A
Computer Science & Information Technology
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A(n) ________ is a horizontal group of cells in a worksheet
Fill in the blank(s) with correct word
Computer Science & Information Technology
Digital signature can be used in conjecture with other technologies to provide non-repudiations
a. true b. false
Computer Science & Information Technology