| A | B |
|---|
| FM | Frequency Modulation |
| FQDN | Fully Qualified Domain Name/ Fully Qualified Distinguished Name |
| FTP | File Transfer Protocol |
| GBIC | Gigabit Interface Converter |
| Gbps | Gigabits per second |
| HDLC | High-level Data Link Control |
| HTTP | Hypertext Transfer Protocol Secure |
| Hz | Hertz |
| IANA | Internet Assigned Numbers Authority |
| ICA | Independence Computer Architecture |
| ICMP | Internet Control Message Protocol |
| IDF | Intermediate Distribution Frame |
| IDS | Intrusion Detection System |
| IEEE | Institute of Electrical and Electronics Engineers |
| IGMP | Internet Group Multicast Potocol |
| IGP | Interior Gateway Protocol |
| IKE | Internet Key Exchange |
| IMAP4 | Internet Message Access Protocol version 4 |
| IP | Internet Protocol |
| IPS | Intrusion Prevention System |
