血清各补体成分中以C3含量最高,且结构最为复杂()
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HLAⅠ类分子的α链和β2m都由MHCⅠ类基因编码()
HLA多态性是反映个体的染色体上具有各种不同的基因()
Youadministeranetworkthatusestworouters,R1andR2,configuredasanHSRPgrouptoprovideredundancyforthegateway.RouterR1istheactiverouterandhasbeenconfiguredasfollows:
R1#configureterminal
R1(config)#interfacefa0/0
R1(config-if)#ipaddress10.10.0.5255.255.255.0
R1(config-if)#standby1priority150
R1(config-if)#standbypreemptdelayminimum50
R1(config-if)#standby1trackinterfacefa0/215
R1(config-if)#standby1ip10.10.0.20
Whichofthefollowingdescribestheeffectthestandbypreemptdelayminimum50commandwillhaveonrouterR1?()