__________ provide authentication which can legally prove who sent a message over a network.
a. Digital signatures
b. DES keys
c. Directory keys
d. Screen names
e. User Ids
Ans: a. Digital signatures
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Which of the following XML attribute names is invalid?
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A(n) ________ changes data from one network to a format another network can understand
Fill in the blank(s) with correct word
Input a fuel tank (capacity and current) from input stream
What will be an ideal response?