单项选择题
A. reset of the primary supervisor
B. manual switchover from standby to active supervisor
C. manual switchover from active to standby supervisor
D. automatic switchover from active to standby on primary supervisor failure
单项选择题 In which phase is a systems acceptance test plan developed and documented?（）
单项选择题 Refer to the exhibit. For interface FastEthernet0/0, what will happen to dscp af11 traffic if thequeue for class "newclass" reaches a depth of 32? （）
多项选择题 Refer to the exhibit. Users complain that they intermittently lose data and connections toimportant servers. After investigation, you discover that the 802.1Q trunk between DSW111 andASW1 is down. Even though the HSRP group 11 is being serviced by DSW112, you discover thatthe SVI for VLAN 11 is in the up state on DSW111. Which three Cisco Catalyst IOS commands should you use on DSW111 to find the source of this problem? （）(Choose three.)