单项选择题
A.Inbound packets are permitted only if they are part of a legitimate data flow initiated by a device on the Teleworker home network.
B.All packets are checked for integrity by analyzing their checksum.
C.Every packet is checked to see if it was sent through the VPN tunnel.
D.Every packet is inspected to see if any disallowed URLs are included. URLs are forwarded to the security cache engine for authorization.
单项选择题 Refer to the exhibit. Given the interface configuration on a DSL connection with PPPoE, select the true statement.（）
多项选择题 ForEthernet-to-Ethernetrouters,suchastheCisco831behindacablemodemorDSLbridge,atrafficshaperisconfigured.Thisisrequiredsincetheoutput10-Mbpsinterfacewillnotbecongested.Whichtwostatementsaretrue?（）
单项选择题 Refer to the exhibit. Given the configuration on a Teleworker router, and knowing it was in the process of being booted, what statement would best describe the order in which the head-end peers would be selected?（）