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CISA · Exam domain
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1. What is the best method for an organization to allow its business partners to access the company intranet across the Internet?
Explanation
The virtual private network (VPN) is the most flexible and least expensive solution for accessing company resources across the Internet.
2. Digital signatures are primarily designed to provide additional protection with electronic messages in order to ensure which of the following?
Explanation
Digital signatures provide authentication assurance of the email sender. They use the sender’s private key to verify identity.
3. Internet communication requires more security. To audit Internet security and access control, the IS auditor will first need to examine what?
Explanation
The IS auditor must understand the network architecture and design before evaluating Internet security and access controls.
4. Which of the following is the most appropriate method to ensure confidentiality in data communications?
Explanation
A VPN provides confidentiality. A hash only detects changes, and digital signatures authenticate the sender but don’t provide confidentiality.
5. What is the most effective method for preventing or limiting the damage caused by a software virus attack?
Explanation
Maintaining updated virus signature files is the most effective method. Policies and standards only work if signatures are updated.
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