Which command is used to find out which network ports are open on the system?
A. ping
B. traceroute
C. telnet
D. netstat
Answer: D
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Which of the following will not increment c by 1?
a. c + 1; b. c++; c. ++c; d. c += 1;
Kyra is learning about e-mail security for a test she has tomorrow on Internet security. Answer these three questions from the sample quiz. Which of the following are main precautions you should consider to protect your computer and data from spam and other risks associated with e-mail?
A. Never reply to spam when you receive it. B. Never open suspicious attachments. C. Use spam filters. D. All of the above
A query that calculates a statistic and then groups the outcome by two sets of values is a(n) ________ query
Fill in the blank(s) with correct word
In an expression, field names are enclosed between ________
A) { } braces B) ( ) parentheses C) [ ] square brackets D) " " quotation marks