Which design topology incurs a performance penalty since there are two encryption-decryption cycles between any two remote sites？（）

单项选择题Asanexperiencedtechnician，youareresponsibleforTechnicalSupport.WhichofthefollowingdescriptionsiscorrectaboutthecharacteristicofSLBonearmmode？（）

A. This out-of-band approach supports scaling
B. SLB· is not inline.
C. Mode is not as common as bridge or routed mode.
D. Return traffic requires PB·R， server default gateway pointing to SLB·， or client source NAT·

单项选择题Asanexperiencedtechnician，youareresponsibleforTechnicalSupport.Acustomercallstoaskthebestsignallevelandnoiselevelforcellphone.Howtorespond？（）

A. -40dBm signal and -90dBm noise
B. -50dBm signal and -90dBm noise
C. -30dBm signal and -90dBm noise
D. -20dBm signal and -90dBm noise

单项选择题Acompanyisusingamulti-sitecentralizedcallprocessingmodel.WhichfeatureensuresthattheremotesiteIPphoneswillstillhavelimitedfunctionalitygivenaWANoutage？（）

A. Call Admission Control
B. TAPI
C. MGCP
D. SRST

单项选择题OneofyourcustomersisusingtheG.711codecwith802.11aaccesspointradios.This cansupportamaximumofhowmanyphonesperaccesspoint？（）

A. 8
B. 14
C. 23
D. 7
E. 19

单项选择题WhatisthetermforalogicalSANwhichprovidesisolationamongdevicesphysicallyconnectedtothesamefabric？（）

A. ISL
B. IVR
C. VoQ
D. VSANs
E. Enhanced ISL