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【单选题】
下列关于温度对微生物影响的描述,错误的是()A.
高温引起菌体内酶失活和蛋白质变性是加热杀菌方法的理论基础
B.
微生物在超过最高温度生长温度以上的环境中会死亡,且温度越高死亡越快
C.
幼龄菌、中龄菌和老龄菌对低温的敏感性是一致的
D.
在低温时,一部分微生物死亡,但大部分只是代谢活动减弱和降低
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【单选题】What is the advantage of using a multipoint interface instead of point-to-point subinterfaces when configuring a Frame Relay hub in a hub-and-spoke topology?（）
A.
it avoids split-horizon issues with distance vector routing protocols.
B.
IP addresses can be conserved if VLSM is not being used for subnetting.
C.
A multipoint interface offers greater security compared to point-to-point subinterface configurations.
D.
The multiple IP network addresses required for a multipoint interface provide greater addressing flexibility over point-to-point configurations.
【多选题】What are two ways to verify if a WX device is configured as a hub, a spoke, or a mesh device? （）(Choose two.)
A.
Admin > Device
B.
Device Setup > Topology
C.
Compression > Endpoints
D.
Device Setup > Advanced > Topology
【简答题】使用紫外线照射消毒，关灯后再次使用前需间隔的时间是（ ）
【单选题】In regard to a hub and spoke Frame-Relay data network, what kind of physical network is it classified as?（）
A.
point-to-point
B.
broadcast multi-access
C.
nonbroadcast multipoint
D.
nonbroadcast multi-access
E.
broadcast point-to-multipoint
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