You work as a security administrator at Certpaper .com. The Certpaper .com network must be configured to
support e-mail communication using SMTP (Simple Mail Transfer Protocol). Which ports must you open on the
firewall to support SMTP connections?
Which of the following types of attacks consists of a computer sending PING packets with the destination
address set to the network's broadcast address and the source address set to the target computer's IP
address?