When a Cisco switch supply PoE to an IP phone?
Power over Ethernet (PoE) is the ability for the LAN switching infrastructure to provide power over a copper Ethernet cable to an endpoint (Powered Device). This capability, once referred to as "inline power", was originally developed and first delivered by Cisco in 2000 to support the emerging IP Telephony deployments. IP Telephones, like desktop PBX […]
What is the default VTP mode on Cisco switches?
What is the default VTP mode on Cisco switches? A. Master B. Client C. Backup D. Server
Which Cisco Unified Communications layer is the call processing layer?
Which Cisco Unified Communications layer is the call processing layer? A. Layer A including video,communications client, software-based phones, IP Phone B. Layer B including Voice mail,Presence,Contact Center C. Layer C including Cisco Unified Communications manger,Directory Server. D. Layer D including Gateway, Router, Switch.
Which type of voice port you will configure a voice port that will allow the gateway to terminate 23 or 30 cir
You are CCNA VOICE associate in Certkey.com. You need configure a voice port that will allow the gateway to terminate 23 or 30 circuits from the PSTN. Which type of voice port you will configure? A. BRI B. FXS C. PRI T1/E1 D. E&M
Which of the following is selected first for an incoming dial peer?
Which of the following is selected first for an incoming dial peer? A. Answer-address B. incoming called-number C. destination-pattern D. pots port