单项选择题
A. M-Series appliance B. sawmill for CiscoIronPort C. the built-in WSA reporting infrastructure D. Cisco application control engine
A.avoid mentioning the upgrade to the customer B.schedule a convenient time to upgrade again, backing up the configuration before and after theupgrade C.contact customer support and ask them to run the upgrade for you D.immediately show the customer how to run the CLI command upgrade
A.wccp debug enable B.tailproxylogs C.tailaccesslogs D.showswccp