Glossary of Key Terms
?
The help command that can be used at any prompt in the command line interface for Cisco IOS Software
“Hello” Packets
Used in the OSPF protocol to verify that the links are still communicating
10GBASE-T
10Gbps over twisted-pair copper cable
6to4 Prefix
A technique that enables IPv6 hosts to communicate over the IPv4 Internet
Absorption
Light interaction with the atomic structure of the fiber material; also involves the conversion of optical power to heat
Access Control Lists (ACLs)
A basic form of firewall protection
Access Point
A transceiver used to interconnect a wireless and a wired LAN
ACK
Acknowledgement packet
ACR
The attention-to-crosstalk ratio measurement compares the signal level from a transmitter at the far ...
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