单项选择题
Becauseofthesystems－levelapproach，Ciscosecuritycandefendagainstwidespreadattacks fromhackersandviruses.WhatdescribestheCisconetworksecuritystrategy？（）
单项选择题 Whatwillcausewirelessvoicedevicestoperformpoorly？（）
单项选择题 InWhichofthesephasesareacustomer’sbusinessrequirementsidentifiedanddocumented？（）
单项选择题 YourCustomerhas21users，eachrequiringbothPCandIPPhoneconnectivity.Whichisthecorrectconfigurationforthiscustomer？（）
