PROBLEM 4 - Network Vulnerabilities, Attacks and Countermeasures (20 points) (5

Question

PROBLEM 4 - Network Vulnerabilities, Attacks and Countermeasures (20 points) (5 pts each)

a) Which of the following is not to be considered a cyber-attack?

A) A nuclear electromagnetic pulse (EMP) that knocks out all electronic devices.

B) Trust exploitation.

C) Penetration testing.

D) Port redirection.

E) Man-in-the-middle.

b) Which one of the following attacks could result in case of missing to validate the size of a variable before writing it to memory?

A) Malicious logic

B) Cross-site scripting

C) SQL injection

D) Buffer Overflow

c) Security experts at your organization have determined that your network has been repeatedly attacked from multiple entities in a foreign country. Research indicates these are coordinated and sophisticated attacks. What best describes this activity?

A) Targeted attack

B) Sniffing

C) Spear phishing

D) Advanced persistent threat

d) Which of the following attacks could be prevented by disabling IP-directed broadcasts on all routers in an organization?

A) Pharming

B) Smurf

C) Replay

D) Xmas

Explanation / Answer

a) A) A nuclear electromagnetic pulse (EMP) that knocks out all electronic devices.

b)  D) Buffer Overflow

c)  D) Advanced persistent threat

d)  B) Smurf

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