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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 41

Sending a message and a message hash encrypted by the sender's private key will ensure:

Correct Answer: A
Explanation/Reference:
Explanation:
If the sender sends both a message and a message hash encrypted by its private key, then the receiver can apply the sender's public key to the hash and get the message hash. The receiver can apply the hashing algorithm to the message received and generate a hash. By matching the generated hash with the one received, the receiver is ensured that the message has been sent by the specific sender, i.e., authenticity, and that the message has not been changed enroute.
Authenticity and privacy will be ensured by first using the sender's private key and then the receiver's public key to encrypt the message. Privacy and integrity can be ensured by using the receiver's public key to encrypt the message and sending a message hash/digest. Only nonrepudiation can be ensured by using the sender's private key to encrypt the message. The sender's public key, available to anyone, can decrypt a message; thus, it does not ensure privacy.
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Question 42

The editing/validation of data entered at a remote site would be performed MOST effectively at the:

Correct Answer: D
Section: Protection of Information Assets
Explanation:
It is important that the data entered from a remote site is edited and validated prior to transmission to the
central processing site.
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Question 43

Which of the following would be the MOST cost-effective recommendation for reducing the number of defects encountered during software development projects?

Correct Answer: B
Explanation/Reference:
Explanation:
Inspections of code and design are a proven software quality technique. An advantage of this approach is that defects are identified before they propagate through the development life cycle. This reduces the cost of correction as less rework is involved. Allowing more time for testing may discover more defects; however, little is revealed as to why the quality problems are occurring and the cost of the extra testing, and the cost of rectifying the defects found will be greater than if they had been discovered earlier in the development process. The ability of the development staff can have a bearing on the quality of what is produced; however, replacing staff can be expensive and disruptive, and the presence of a competent staff cannot guarantee quality in the absence of effective quality management processes. Sign-off of deliverables may help detect defects if signatories are diligent about reviewing deliverable content; however, this is difficult to enforce. Deliverable reviews normally do not go down to the same level of detail as software inspections.
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Question 44

Which of the following is the BEST way to mitigate risk to an organization's network associated with devices permitted under a bring your own device (BYOD) policy?

Correct Answer: C
Explanation
The best way to mitigate risk to an organization's network associated with devices permitted under a BYOD policy is to implement a network access control system, as this will allow the organization to monitor, authenticate, and authorize the devices that connect to the network, and to enforce security policies and compliance requirements12. A network access control system can help to prevent unauthorized or compromised devices from accessing sensitive data or resources, and to detect and isolate any potential threats or vulnerabilities34.
References
1: Network Access Control (NAC) - ISACA 2: Network Access Control (NAC) - Cisco 3: BYOD Security Risks: 6 Ways to Protect Your Organization - ReliaQuest5 4: How to Mitigate BYOD Risks and Challenges - CIOReview6
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Question 45

An organization was recently notified by its regulatory body of significant discrepancies in its reporting data. A preliminary investigation revealed that the discrepancies were caused by problems with the organization's data quality. Management has directed the data quality team to enhance their program The audit committee has asked internal audit to be advisors to the process. To ensure that management concerns are addressed, which data set should internal audit recommend be reviewed FIRST?

Correct Answer: A
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