【单选题】设置主接口由up转down后延迟30秒切换到备份接口,主接口由down转up后60秒钟切换回主接口的配置为()。
C.
standbytimerenable.delay60disable.delay30
D.
standbytimerenable.delay30disable.delay60
【单选题】The passenger claimed that the flight attendant spilled coffee on her dress.
A.
Only the passenger says that the flight attendant spilled coffee on her dress.
B.
Everyone agrees that the flight attendant spilled coffee on the passenger's dress.
【单选题】设置主接口由Up转Down后延迟30秒切换到备份接口,主接口由Down转Up后60秒钟切换回主接口的配置为()
D.
backup delay enable-delay 30 disable-delay 60
【判断题】不动杆菌属为 专性需氧菌, “三阴”:即氧化酶阴性,硝酸盐还原试验阴性和动力阴性。
【判断题】造成水体富营养化的原因均是来自人类排放。