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  1. Home
  2. ISACA Certification
  3. CISA Exam
  4. ISACA.CISA.v2024-12-27.q999 Dumps
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Question 801

A sequence of bits appended to a digital document that is used to secure an e-mail sent through the Internet is called a:

Correct Answer: C
Section: Protection of Information Assets
Explanation/Reference:
Explanation:
A digital signature through the private cryptographic key authenticates a transmission from a sender through the private cryptographic key. It is a string of bits that uniquely represent another string of bits, a digital document. An electronic signature refers to the string of bits that digitally represents a handwritten signature captured by a computer system when a human applies it on an electronic pen pad, connected to the system.
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Question 802

Which of the following would MOST effectively help to reduce the number of repeated incidents in an organization?

Correct Answer: C
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Question 803

Which of the following is the BEST way to satisfy a two-factor user authentication?

Correct Answer: A
Section: Protection of Information Assets
Explanation:
A smart card addresses what the user has. This is generally used in conjunction with testing what the user knows, e.g., a keyboard password or personal identification number (PIN). An ID and password, what the user knows, is a single-factor user authentication. Choice C is not a two- factor user authentication because it is only biometric. Choice D is similar to choice A, but the magnetic card may be copied; therefore, choice A is the best way to satisfy a two-factor user authentication.
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Question 804

Which of the following BEST describes the concept of ""defense in depth""?

Correct Answer: A
Section: Protection of Information Assets
Explanation:
"With 0""defense in depth"", more than one subsystem needs to be compromised to compromise the security of the system and the information it holds. Subsystems should default to secure settings, and wherever possible should be designed to ""fail secure"" rather than ""fail insecure""."
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Question 805

Distributed denial-of-service (DDOS) attacks on Internet sites are typically evoked by hackers using which of the following?

Correct Answer: D
Explanation/Reference:
Explanation:
Trojan horses are malicious or damaging code hidden within an authorized computer program. Hackers use Trojans to mastermind DDOS attacks that affect computers that access the same Internet site at the same moment, resulting in overloaded site servers that may no longer be able to process legitimate requests. Logic bombs are programs designed to destroy or modify data at a specific time in the future.
Phishing is an attack, normally via e-mail, pretending to be an authorized person or organization requesting information. Spyware is a program that picks up information from PC drives by making copies of their contents.
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