单项选择题
A.when a router between the Teleworker router and the head-end VPN router is doing NAT/pNAT and does not support IPSec pass-through
B.when the Teleworker router itself is doing NAT/pNAT
C.always
D.never
多项选择题 Refer to the exhibit. A customer indicates their teleworkers plan to use IP phones in their home offices. The IT department has surveyed the planned teleworkers, resulting in the user groupings shown in the exhibit. To provide the highest voice quality, the best recommendations to this customer are（）.
单项选择题 EasyVPNoperatesintwomodes.AlthoughClientModehasadvantages,thereareenvironmentswhereitshouldnotbeused.（）
多项选择题 Refer to the exhibit. Given this deployment model and the Enterprise applications, the Teleworker Router provides which functions?（）