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CCNA Voice 640-461 Official Cert Guide, Second Edition by Mike Valentine, Jeremy Cioara

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Glossary

802.1Q An industry-standard trunking protocol that allows traffic for multiple VLANs to be sent between switches.

802.3af Power over Ethernet (PoE) Industry-standard method of supplying power over an Ethernet cable to attached devices.

administration via telephone (AVT) system Gives an administrator an easy way to record custom prompts and to quickly record and enable the AA alternate greeting via a telephone connection.

Administrative Extensions for XML (AXL) Method by which user accounts in a CUCM database may be replicated and synchronized with the user account database in CUC.

analog signal A method of signaling that uses properties of the transmission medium to convey sound characteristics, such as using electrical properties to ...

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