21. A special sequence of bits that determine if the packet is being sent to its network is called the A. IP address B. subnet mask C. network address D. network mask 22. The connection between the servers and the storage-area network is made usually by A. fiber optic network C. router B. LAN D. NIC 23. Protecting data from interception and protecting the sending and receiving parties from unwanted threats such as viruses and spam on the Internet is referred to as A. Internet protection C. Security B. spam busting D. Antivirus protection.