单项选择题
Whichofthesephasesinvolvesensuringthatanewsolutionhasbeenintegratedwithoutdisruptingtheexistingnetwork？Selectexactly1answer（s）fromthefollowing：（）。
单项选择题 Whichofthefollowingbestdescribethecustomerbenefitofcreatingasystemsacceptancetestplaninthedesignphase？（）
单项选择题 Afteraclienthasdevelopedasecuritypolicy，whatisrecommendedthattheydonext？（）
单项选择题 WhatbestdescribesthefeaturesoftheCisco850Seriesrouters？（）
