单项选择题
A. Automatic switchover from active to standby on primary supervisor failure
B. Reset of the primary supervisor.
C. Manual switchover from active to standby supervisor
D. Manual switchover from standby to active supervisor
单项选择题 As an experienced technician, you are required to configure and verify SRM with SSO redundancy. In such a situation, you have to issue several commands in proper orders. Which of the following is correct?（）
单项选择题 Which of these is a prerequisite for and must always run with Cisco NSF?（）
单项选择题 Which of the following procedure should be performed prior to delivery and generally involves running a suite of operations so as to verify that the solution is applicable for production?（）