Which of the following commands will set the default runlevel of a Linux system?
A. systemctl --set-default runlevel5.target
B. systemctl set-default runlevel5.target
C. systemctl --default runlevel5.target
D. systemctl set-init runlevel5.target
Answer: B
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ofstream, ifstream, and fstream are
a. header files b. libraries c. data types d. string arrays e. None of these
An e-mail message is a computer that essentially acts as a central post office serving a group of people.
Answer the following statement true (T) or false (F)
Which connection provides the fastest transfer speeds when you connect to the Internet?
A) Cable B) Fiber-optic C) DSL D) Satellite
With which type of social engineering attack are users asked to respond to an email or are directed to a website where they are requested to update personal information, such as passwords or credit card numbers?
A. pharming B. typo squatting C. phishing D. pretexting