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  1. Home
  2. ISACA Certification
  3. CISA Exam
  4. ISACA.CISA.v2023-03-04.q546 Dumps
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Question 261

Segregation of duties would be compromised if:

Correct Answer: A
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Question 262

While reviewing sensitive electronic work papers, the IS auditor noticed that they were not encrypted. This could compromise the:

Correct Answer: D
Explanation/Reference:
Explanation:
Encryption provides confidentiality for the electronic work papers. Audit trails, audit phase approvals and access to the work papers do not, of themselves, affect the confidentiality but are part of the reason for requiring encryption.
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Question 263

Which of the following will prevent dangling tuples in a database?

Correct Answer: D
Section: Protection of Information Assets
Explanation:
Referential integrity ensures that a foreign key in one table will equal null or the value of a primary in the other table. For every tuple in a table having a referenced/foreign key, there should be a corresponding tuple in another table, i.e., for existence of all foreign keys in the original tables, if this condition is not satisfied, then it results in a dangling tuple. Cyclical checking is the control technique for the regular checking of accumulated data on a file against authorized source documentation. There is no cyclical integrity testing. Domain integrity testing ensures that a data item has a legitimate value in the correct range or set. Relational integrity is performed at the record level and is ensured by calculating and verifying specific fields.
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Question 264

The technique used to ensure security in virtual private networks (VPNs) is:

Correct Answer: A
Explanation/Reference:
Explanation:
Encapsulation, or tunneling, is a technique used to carry the traffic of one protocol over a network that does not support that protocol directly. The original packet is wrapped in another packet. The other choices are not security techniques specific to VPNs.
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Question 265

When using a universal storage bus (USB) flash drive to transport confidential corporate data to an offsite location, an effective control would be to:

Correct Answer: D
Encryption, with a strong key, is the most secure method for protecting the information on the flash drive. Carrying the flash drive in a portable safe does not guarantee the safety of the information in the event that the safe is stolen or lost. Nomatter what measures you take, the chance of losing the flash drive still exists. It is possible that a courier might lose the flash drive or that it might be stolen.
insert code
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