Which of the following registry hives stores information about the file extensions that are mapped to their corresponding applications?

You are the Security Consultant and have been contacted by a client regarding their encryption and hashing algorithms. Their in-house network administrator tells you that their current hashing algorithm is an older one with known weaknesses and is not collision resistant. Which algorithm are they most likely using for hashing?

Every network device contains a unique built in Media Access Control (MAC) address, which is used to identify the authentic device to limit the network access. Which of the following addresses is a valid MAC address?

John works as a professional Ethical Hacker. He has been assigned a project for testing the security of www.we-are-secure.com. He wants to corrupt an IDS signature database so that performing attacks on the server is made easy and he can observe the flaws in the We-are-secure server. To perform his task, he first of all sends a virus that continuously changes its signature to avoid detection from IDS. Since the new signature of the virus does not match the old signature, which is entered in the IDS signature database, IDS becomes unable to point out the malicious virus. Which of the following IDS evasion attacks is John performing?

Which of the following U.S. Federal laws addresses computer crime activities in communication lines, stations, or systems?