单选题You are a network administrator of a large investor relations company that uses a switchednetwork to carry both data and IP telephony services. Why should you carry voice traffic on aseparate VLAN？（）AIP phones require inline power and must be in separate VLAN to receive inline powerBIP telephony applications require prioritization over other traffic as they are more delaysensitiveCIP phones can only receive IP addresses through DHCP if they are in separate VLANDThe CDP frames from the IP phone can only be recognized by the switch if the phone is in anauxiliary vlan
单选题
You are a network administrator of a large investor relations company that uses a switchednetwork to carry both data and IP telephony services. Why should you carry voice traffic on aseparate VLAN？（）
A
IP phones require inline power and must be in separate VLAN to receive inline power
B
IP telephony applications require prioritization over other traffic as they are more delaysensitive
C
IP phones can only receive IP addresses through DHCP if they are in separate VLAN
D
The CDP frames from the IP phone can only be recognized by the switch if the phone is in anauxiliary vlan
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