单项选择题
As an experienced technician， you are responsible for Technical Support. A customer calls to askthe best signal level and noise level for cell phone. How to respond？（）
A. -40dBm signal and -90dBm noise
B. -50dBm signal and -90dBm noise
C. -30dBm signal and -90dBm noise
D. -20dBm signal and -90dBm noise
点击查看答案
相关考题
-
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
