多项选择题 You have just purchased a new Cisco 3560 switch running the enhanced IOS and need configure  it to be installed in a high availability network. On a 3560 EMI switch，  which three types of  interfaces can be used to configure HSRP？（）

单项选择题 Whichofthecharacteristicsbelowisassociatedwiththe（QoS）IntegratedServicesModel？（）

多项选择题 The Company is rolling out Cisco’s Architecture for Voice， Video and Integrated Data （AVVID）.   Which of the following choices represent the fundamental intelligent network services in Cisco’s  AVVID？ （）