促进机体产热最重要的激素是
A. 肾上腺素
B. 去甲肾上腺素
C. 甲状腺激素
D. 雌激素
E. 孕激素
Which of the following is not a security attack?
A. DoS attack
Back door
C. Phishing
D. Thread
Which of the following is a technique that uses a Web page that looks like an official part of some trusted environment?
A. DoS attack
B. Phishing
C. Back door
D. Man-in-the-middle attack
Which of the following is right?
A. DoS attack is network-based
B. Man-in-the-middle attack is network-based
C. Spoofing is an attack that allows one user to disguise as another
D. All of the above
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