What is not a difference between VPN tunnel authentication and per-user authentication?（）

单项选择题Context-BasedAccessControl(CBAC)isthealgorithmoftheCiscoIOSfirewallfeature.HowdoesCBACimproveTeleworkersecurity?（）

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.（）

A.The router is limiting the size of TCP and UDP packets. 
B.The configuration implements an effective Layer-2 fragmentation technique.
C.The value of 542 is recommended in several RFCs. 
D.There is another upstream router terminating the PPPoE session.

多项选择题ForEthernet-to-Ethernetrouters,suchastheCisco831behindacablemodemorDSLbridge,atrafficshaperisconfigured.Thisisrequiredsincetheoutput10-Mbpsinterfacewillnotbecongested.Whichtwostatementsaretrue?（）

A.The parent policy-map shapes and the child policy-map queues.
B.The mean-rate and burst-size must always be the same value.
C.This will not work without a Dialer interface configured.
D.The shaper provides congestion feedback.

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?（）

A.The remote router would load-balance between peer x.x.x.x and x.y.y.y.
B.Peer x.x.x.x would be attempted first.
C.A round-robin selection is implemented. 
D.If the first peer in the list does not respond in 50 milliseconds, the second peer would be selected.
E.There is no pre-determined order of selection.

多项选择题WhatisakeycharacteristicoftheCiscoBusinessReadyTeleworkersolutionwhichisdifferentfromtraditionalsoftware-clientbasedTeleworkersolutions?（）

A.all traffic is encrypted using IPSec and the Triple-DES algorithm
B.full support for all Enterprise applications, including data, voice, and video
C.thousands of Teleworker VPN tunnels can be aggregated to a headquarters location
D.the VPN tunnel is an always on site-to-site VPN connection
E.portability for use while traveling
F.used with broadband Cable/DSL subscriptions