InwhichthreefrequencybandsdoestheCiscoSpectrumExpertWi-Fitoolperformspectrumanalysis？（）
A. ISM2.4GHz
B. ISM900MHz
C. ISM5GHz
D. publicsafety4.9GHz
E. GSM1.9GHz
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CiscoSMARTnetmaintainstheoperationalhealthofyournetworkthroughCiscoexpertiseand resourcesthatpromotegreateruptimeandextendthevalueofyourITinvestment.WhichserviceisprovidedbyCiscoSMARTnet？（）
A. upgradediscounts
B. FreeCCOaccount
CiscoLearningCredits
D. around-the-clockaccesstoCiscoTechnicalAccessCenter
Howisattenuationmeasured？（）
A. Fresnelunits
B. decibels
C. EIRP
D. milliamperes
E. ohms
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