IS management is considering a Voice-over Internet Protocol (VoIP) network to reduce telecommunication
costs and management asked the IS auditor to comment on appropriate security controls. Which of the
following security measures is MOST appropriate?

Upon receipt of the initial signed digital certificate the user will decrypt the certificate with the public key of the:

A perpetrator looking to gain access to and gather information about encrypted data being transmitted over the
network would use:

Which of the following would effectively verify the originator of a transaction?

Which of the following would effectively verify the originator of a transaction?

When using a digital signature, the message digest is computed:

When using a digital signature, the message digest is computed:

When reviewing a digital certificate verification process, which of the following findings represents the MOST
significant risk?

The MOST effective control for reducing the risk related to phishing is:

The MOST effective control for reducing the risk related to phishing is: