问题：
[多选题]2. 下面有关Cisco AutoQoS的描述，哪些是正确的?
A.只能用于交换机，不能用于路由器
B.使QoS配置操作更快捷、更简单、更便宜
C.AutoQos可以为语音、视频以及其他类型的数据配置服务质量
D.AutoQoS命令应用在接口上
E.修改AutoQoS设置之前，必须先禁用AutoQoS
Tags：思科认证CCIE路由和交换分类模拟试题
答案解析：
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