Certified Ethical Hacker Certified Ethical Hacker MCQ 5

Question 1

Which social engineering technique involves an attacker creating a fabricated scenario to obtain information?

Accepted Answer

Pretexting

Answer

Pretexting uses an invented scenario to manipulate a target into divulging information.

Question 2

What does a SYN flood attack exploit in the TCP handshake?

Accepted Answer

Half-open connections exhausting resources

Answer

A SYN flood sends many SYN requests without completing handshakes, exhausting connection resources.

Question 3

Which command-line tool is used to capture and analyze network packets from the terminal?

Accepted Answer

tcpdump

Answer

tcpdump captures and displays network packets directly from the command line.

Question 4

What is the function of a rootkit once installed on a compromised system?

Accepted Answer

Hide malicious activity and maintain stealthy access

Answer

A rootkit conceals processes and files to maintain undetected privileged access.

Question 5

Which encryption standard replaced the deprecated DES for symmetric encryption?

Accepted Answer

AES

Answer

AES replaced DES as the standard symmetric block cipher due to stronger security.

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