Client/server networks are generally less secure than P2P networks

Which of the following are the two categories of fire suppression systems?

a. Wet pipe and dry pipe b. Wet fire and dry fire c. Flammable fire and electric fire d. Wet fire and electrical fire

Which one of the following tools may be used to directly violate the confidentiality of communications on an unencrypted VoIP network?

A. Nmap B. Nessus C. Wireshark D. Nikto