[单选] What is one of the reasons that custom QoS ACLs are recommended over automatic QoS when configuring ports on a Catalyst 6500 for use with IP phones？（）

A . 79xx IP phones do not automatically mark voice packets with non-zero DSCP values.
B . 79xx IP phones do not mark protocol packets such as DHCP， DNS， or TFTP with non-zero DSCP values.
C . 79xx IP phones do not mark voice packets with optimal DSCP values.
D . 79xx IP phones use a custom protocol to communicate CDP information to the switch.

下列哪一项不属于爱情的特点之一（）高级性。相异性。成熟性。相斥性。钾长石化带在招收学生工作中循私舞弊的，由教育行政部门责令退回招收人员，并对直接责任人员依法给予行政处分。（）低值易耗品的摊销方法有（）。一次摊销法。分期摊销法。五五摊销法。净价法。总价法。什么是商品的标准化，其包括哪些形式？ What is one of the reasons that custom QoS ACLs are recommended over automatic QoS when configuring ports on a Catalyst 6500 for use with IP phones？（）

参考答案：

● 参考解析

本题暂无解析

当前位置：CCDP(642-874)题库

[单选] What is one of the reasons that custom QoS ACLs are recommended over automatic QoS when configuring ports on a Catalyst 6500 for use with IP phones？（）

相关题目: