____ is a set of protocols developed to support the secure exchange of packets.
A. IPsec
B. UDP
C. HTTP
D. FTP
Answer: A
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The switch statement is not an alternative to the if-else chain.
Answer the following statement true (T) or false (F)
What is the CTR + END key used for?
a. To move the active cell to the position of the first column in the last row of the data sheet. b. To move the active cell to the position of the last column in the last row of the data sheet. C. None of the others. d. To move the active cell to the position of the last column in the first row of the data sheet.
The first step in creating a Delete query is to create what other type of query?
A. Parameter B. Select C. Append D. Update
Which of the following describes fiber-optic broadband?
a. It uses strands of pure glass or plastic. b. It connects via an orbiting satellite. c. It connects with coaxial cable. d. Speed drops as the distance from the main signal source increases.