In the typical social engineering attack cycle, what occurs at Phase $3?$

a$.$

The attacker researches the desired target for clues as to vulnerabilities.

b$.$

The attacker builds trust with the target and attempts to gain more information.

c$.$

The attacker exploits an action undertaken by the victim to gain access.

d$.$

The attacker executes an exit strategy in such a way that does not leave evidence or raise suspicion.

Question $20$

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$20.$ Gary is a freelance network analyst. A client approaches him to provi