Whichtwocommandsareusedduringthepasswordrecoveryprocess?（）
A. clearsystemlogin
B. boot-s
C. recovery
D. deletesystemroot-authentication
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Auserworksdailywithvideoproductionandneedsportablestoragewhichwillallowthemtotransporttheirworkbackandforthfromhome.Takingtheusersstorageandbandwidthrequirementsintoconsideration,whichofthefollowingwouldBESTsuittheusersneeds?（）
AnexternalharddriveconnectedviaeSATA
B. AnexternalharddriveconnectedviaUSB2.0
C. Anexternalharddriveconnectedviaserial
D. AthumbdriveconnectedviaUSB2.0
InJUNOSsoftware,whichstatementistrueregardingtheOSPFadvertisementoftheloopbackIPaddressontheABR?（）
A. WhenArea0isactive,theloopbackinterfacemustbeconfiguredinOSPFforittobeadvertised.
B. WhenArea0isactive,theloopbackaddressisautomaticallyadvertisedintootherareas.
C. WhenArea0isactive,theOSPFrouter-idmustmatchtheloopbackaddressfortheloopbackaddresstobeadvertised.
D. WhenArea0isactive,therouter-idmustbeconfiguredfortheloopbackaddresstobeadvertised.
YoureceiveanalarmthatyourJunosdeviceisexperiencingproblemsregardingtemperature.Whichtwocommandswouldyouusetoinvestigatethisproblem?（）
A. showchassishardware
B. showchassistemperature-thresholds
C. showchassispicfpc-slotpic-slot
D. showchassisenvironment
Acomputerisfailingtoboot.WhichofthefollowingtoolswouldbeusedFIRSTintroubleshooting?（）
A. TimeDomainReflectometer(TDR)
B. Oscilloscope
C. Powersupplytester
D. Spectrumanalyzer
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