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  2. ISACA Certification
  3. CISA Exam
  4. ISACA.CISA.v2023-03-04.q546 Dumps
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Question 476

Which of the following physical access controls effectively reduces the risk of piggybacking?

Correct Answer: C
Explanation/Reference:
Explanation:
Deadman doors use a pair of doors. For the second door to operate, the first entry door must close and lock with only one person permitted in the holding area. This effectively reduces the risk of piggybacking.
An individual's unique body features such as voice, retina, fingerprint or signature activate biometric door locks; however, they do not prevent or reduce the risk of piggybacking. Combination door locks, also known as cipher locks, use a numeric key pad or dial to gain entry. They do not prevent or reduce the risk of piggybacking since unauthorized individuals may still gain access to the processing center. Bolting door locks require the traditional metal key to gain entry. Unauthorized individuals could still gain access to the processing center along with an authorized individual.
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Question 477

A recent audit concluded that an organization's information security system was weak and that monitoring
would likely fail to detect penetration. Which of the following would be the MOST appropriate
recommendation?

Correct Answer: C
Section: Information System Operations, Maintenance and Support
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Question 478

Gimmes often work through:

Correct Answer: C
Explanation/Reference:
Explanation:
Gimmes take advantage of curiosity or greed to deliver malware. Also known as a Trojan Horse, gimmes can arrive as an email attachment promising anything. The recipient is expected to give in to the need to the program and open the attachment. In addition, many users will blindly click on any attachments they receive that seem even mildly legitimate.
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Question 479

In an online transaction processing system, data integrity is maintained by ensuring that a transaction is either completed in its entirety or not at all. This principle of data integrity is known as:

Correct Answer: C
Explanation/Reference:
Explanation:
The principle of atomicity requires that a transaction be completed in its entirety or not at all. If an error or interruption occurs, all changes made up to that point are backed out. Consistency ensures that all integrity conditions in the database be maintained with each transaction. Isolation ensures that each transaction is isolated from other transactions; hence, each transaction only accesses data that are part of a consistent database state. Durability ensures that, when a transaction has been reported back to a user as complete, the resultant changes to the database will survive subsequent hardware or software failures.
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Question 480

The security level of a private key system depends on the number of:

Correct Answer: A
Explanation/Reference:
Explanation:
The security level of a private key system depends on the number of encryption key bits. The larger the number of bits, the more difficult it would be to understand or determine the algorithm. The security of the message will depend on the encryption key bits used. More than keys by themselves, the algorithm and its complexity make the content more secured. Channels, which could be open or secure, are the mode for sending the message.
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