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

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

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

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

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?

Which of the following intrusion detection systems (IDSs) will MOST likely generate false alarms
resulting from normal network activity?

When auditing security for a data center, an IS auditor should look for the presence of a voltage
regulator to ensure that the:

Which of the following methods of suppressing a fire in a data center is the MOST effective and
environmentally friendly?

Which of the following environmental controls is appropriate to protect computer equipment
against short-term reductions in electrical power?

An IS auditor inspected a windowless room containing phone switching and networking equipment
and documentation binders. The room was equipped with two handheld fire extinguishers-one
filled with CO2, the other filled with halon. Which ofthe following should be given the HIGHEST
priority in the auditor’s report?