机械拆除钢屋架时,必须采用绳索将其拴牢,待起重机吊稳后,方可进行气焊切割作业。()
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考古发现基本上不支持《史记》关于秦始皇陵的记载。()
WhatwillanEasyVPNhardwareclientrequireinordertoinsertitsprotectednetworkaddress whenitconnectsusingnetworkextensionmode?()
A. RADIUSorLDAP
B. aninternalrouterrunningEIGRP
C. ReverseRouteInjectionandOSPForRIPv2
D. theVPNappliancetobedeployedinlinewiththefirewall
Whataretwostepsthataretakenwhenarouterconvertsavoicesignalfromanalogtodigitalform?()
A. sampling
B. packetization
C. quantization
D. serialization
TowhichofthesedoesIPmulticastsendpackets?()
A. asinglehost
B. asubsetofhosts
C. allhostssequentially
D. allhostssimultaneously