单项选择题
Which statement about CiscoWorks 2000 Inventory Manager is true？（）
A. It uses SNMP v1. B. It scans devices for hardware information. C. It scans and records the operational status of devices. D. When the configuration of a device changes， the inventory is automatically updated.
多项选择题 Which two characteristics are true of a firewall running in routed mode based on the following information？（）
多项选择题 WhichthreethingscanberestrictedbytheClassofServiceinatraditionalPBX？（）
单项选择题 Whichofthesestatementsistrueofroutingprotocolsinahub-and-spokeIPsecVPNtopology？（）
