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单选题
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
A
Exhaust and scavenging
B
Scavenging and compression
C
Ignition and expansion
D
Exhaust and compression
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单选题Which of the conditions listed will cause a refrigeration compressor to run constantly without simultaneously decreasing the temperature in the refrigerated space?（）A
Shortage of refrigerant oilB
Slight shortage of refrigerantC
Excessive condenser cooling water flowD
Faulty expansion valve
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单选题Which of the following is a benefit of a hot spare？（）A
Lower costB
Allows two RAID 1 drives to simultaneously fail without losing any dataC
Enhanced fault toleranceD
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考题
单选题Which of the listed methods of heat transfer takes place when two substances of different temperatures are in physical contact with each other?（）A
RadiationB
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考题
多选题Which two statements are true regarding L2TP? （）(Choose two.)ATunnels are initiated by the LACBTunnels are initiated by the LNSCBy default, subscriber authentication occurs on the LNSDBy default, subscriber authentication occurs on the LAC
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多选题Which two statements regarding external authentication servers for firewall user authentication are true?（） (Choose two.)AUp to three external authentication server types can be used simultaneously.BOnly one external authentication server type can be used simultaneously.CIf the local password database is not configured in the authentication order, and the configured authentication server bypassed.DIf the local password database is not configured in the authentication order, and the configured authentication server authentication is rejected.
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单选题After factory-defaults have been loaded, which two syslog files will be present in the configuration?（）A
system and chassisdB
syslog-messages and NVRAMC
messages and interactive-commandsD
authorization and events
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单选题In Windows Server 2012 R2 Hyper-V，which of the following options allows two virtual machines to simultaneously share the same physical RAM？（）A
Integrated ServicesB
Dynamic MemoryC
Resource MeteringD
Port MirroringE
Virtual Machine ChimneyF
Router guard
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单选题If a crankcase explosion occurs in a diesel engine, which of the listed actions should be taken?（）A
Open the crankcase immediately to check for damageB
Apply fire fighting water through the crankcase breatherC
Allow the engine to cool before opening the crankcaseD
Assume that there is no damage to the crankshaft
考题
单选题The broadcast will normally be made on the two listed frequencies simultaneously except during transmitter maintenance periods when the broadcast will be made on the two frequencies（）.A
at the same timeB
exclusivelyC
within the same periodD
consecutively
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