Which action would help a technician to determine if a denial of service attack is being caused by malware on a host?
- Disconnect the host from the network.
- Log on to the host as a different user.
- Disable ActiveX and Silverlight on the host.
- Install rogue antivirus software on the host.
Explanation: If a host infected with malware is causing a denial of service attack by flooding the network with traffic, disconnecting the host from the network can stop the attack. ActiveX and Silverlight are both examples of web software designed to provide interactive experiences on web pages. A rogue antivirus is a type of attack where the malware appears to be an antivirus telling the users that their system is infected. If a system is infected with malware, it is unlikely that logging on as a different user would prevent the malware from continuing the denial of service attack.