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  2. ISACA Certification
  3. CISA Exam
  4. ISACA.CISA.v2022-02-26.q471 Dumps
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Question 451

External experts were used on a recent IT audit engagement While assessing the external experts' work, the internal audit team found some gaps in the evidence that may have impacted their conclusions What is the internal audit team's BEST course of action?

Correct Answer: D
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Question 452

When transmitting a payment instruction, which of the following will help verify that the instruction was not duplicated?

Correct Answer: D
Explanation/Reference:
Explanation:
When transmitting data, a sequence number and/or time stamp built into the message to make it unique can be checked by the recipient to ensure that the message was not intercepted and replayed. This is known as replay protection, and could be used to verify that a payment instruction was not duplicated. Use of a cryptographic hashing algorithm against the entire message helps achieve data integrity. Enciphering the message digest using the sender's private key, which signs the sender's digital signature to the document, helps in authenticating the transaction. When the message is deciphered by the receiver using the sender's public key, it ensures that the message could only have come from the sender. This process of sender authentication achieves nonrepudiation.
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Question 453

An IS auditor has discovered that unauthorized customer management software was installed on a workstation.
The auditor determines the software has been uploading customer ita to an external party. Which of the following is the IS auditor's BEST course of action?

Correct Answer: B
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Question 454

From a risk management point of view, the BEST approach when implementing a large and complex IT infrastructure is:

Correct Answer: C
When developing a large and complex IT infrastructure, the best practice is to use a phased approach to fitting the entire system together. This will provide greater assurance of quality results. The other choices are riskier approaches.
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Question 455

Which of the following is a corrective control?

Correct Answer: C
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