Whichtwoitemsaremostimportantformanagingthelong-termsuccessofhighavailability?()
A. pletingaggressiveimplementationschedule
B. StatefulSwitchover
C. panyanduserexpectations
D. NonstopForwarding
E. changecontrolprocesses
F. dualdevicesandduallinks
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MFT动作20秒后,炉膛压力仍超过低低跳闸值,跳两台送风机。()
Toinitiatetesting,whichportdoesaCiscoIOSIPSLAsourceusetosendacontrolmessagetoanIPSLAresponder?()
A. UDPport2020
B. UDPport1967
C. TCPport2020
D. ICMPport1967
镜片沟槽位置与镜片表面距离不应小于1.0mm。()
渐进多焦点的远用参考圈是测量镜片远用度数的区域。()