| Similarity | Rank | |
|---|---|---|
| BGP | 0.833 | 68294 |
| QoS | 0.827 | 52324 |
| VPNs | 0.824 | 69589 |
| IPsec | 0.822 | 74526 |
| VLAN | 0.819 | 65730 |
| Ethernet | 0.819 | 14958 |
| LANs | 0.815 | 83650 |
| IPv6 | 0.811 | 24097 |
| trunking | 0.811 | 85801 |
| WAN | 0.804 | 36010 |
| Multicast | 0.801 | 92132 |
| OpenFlow | 0.792 | 96223 |
| Routers | 0.790 | 84458 |
| PSTN | 0.789 | 70140 |
| backhaul | 0.787 | 68321 |
| routers | 0.785 | 22931 |
| multicast | 0.784 | 48021 |
| ISDN | 0.783 | 57455 |
| IPv4 | 0.777 | 39246 |
| IP-based | 0.776 | 68683 |
| SDN | 0.776 | 44362 |
| TDM | 0.773 | 74446 |
| iSCSI | 0.770 | 59658 |
| IP | 0.770 | 4361 |
| Telephony | 0.769 | 74891 |