B. To block unauthorized access while permitting authorized communications
C. To detect and remove viruses
D. To increase network speed
Answer: Option B
Solution (By JKExamLibrary)
A network firewall controls incoming and outgoing network traffic based on security rules, allowing authorized traffic and blocking unauthorized access.
Explanation:
A VPN extends a private network across a public network, allowing users to send and receive data as if they were directly connected to the private network, with encryption for security.
Which specific sub-type of social engineering attack targets high-profile corporate decision-makers like CFOs or CEOs to steal sensitive institutional records?
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