Which of the following refers to going through someone's trash to find out useful or confidential information?

Several files servers are configured in an iSCSI storage area network (SAN). The servers have been configured to use RADIUS and IPSec with the Microsoft iSCSI Initiator properties page. However, clients are unable to connect to any of the servers in the iSCSI SAN. What's the likely reason?

Which of the following is a term that refers to unsolicited e-mails sent to a large number of e-mail users?

Which of the following areas of a network contains DNS servers and Web servers for Internet users?

Which of the following tools is similar to the ping tool but operates at OSI data link layer using the address resolution protocol?