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多选题
Which two statements are true about voice ports on a router?()
A

Calls to the PSTN can be made via the use of FXO or T1/E1 trunk ports.

B

Calls to the PSTN can be made via FXS or T1/E1 trunk ports.

C

Analog and IP phones can be connected to the VoIP network via FXO or T1/E1 trunk ports.

D

Calls between analog phones that are attached to the FXS ports in a VoIP network can be completely processed by voice-enabled routers.


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更多 “多选题Which two statements are true about voice ports on a router?()ACalls to the PSTN can be made via the use of FXO or T1/E1 trunk ports.BCalls to the PSTN can be made via FXS or T1/E1 trunk ports.CAnalog and IP phones can be connected to the VoIP network via FXO or T1/E1 trunk ports.DCalls between analog phones that are attached to the FXS ports in a VoIP network can be completely processed by voice-enabled routers.” 相关考题
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考题 多选题Which two statements are true about voice VLANs?()AVoice VLANs are only used when connecting an IP phone and a host to distinct switch portsBAccess ports that are configured with voice VLANs will always trust the CoS that is received from IP phonesCAccess ports that are configured with voice VLANs may or may not override the CoS value that is received from an IP phoneDVoice VLANs are configured using the switchport voice vlan vlan-ID interface configuration commandEVoice VLANs provide a trunking interface between an IP phone and an access port on a switch to allow traffic from multiple devices that are connected to the portFEnabling Voice VLAN on a switch port will automatically configure the port to trust the incoming CoS markings