多项选择题
A.Cisco Express Forwarding （CEF） must be enabled as a prerequisite to running MPLS on a Cisco router.
B.Frame-mode MPLS inserts a 32-bit label between the Layer 3 and Layer 4 headers.
C.MPLS is designed for use with frame-based Layer 2 encapsulation protocols such as Frame Relay， but is not supported by ATM because of ATM fixed-length cells.
D.OSPF， EIGRP， IS-IS， RIP， and BGP can be used in the control plane.
E.The control plane is responsible for forwarding packets.
F.The two major components of MPLS include the control plane and the data plane.
单项选择题 Refer to the exhibit， which shows a PPPoA diagram and partial SOHO77 configuration. Which command needs to be applied to the SOHO77 to complete the configuration？（）
多项选择题 Whataretwostepsthatmustbetakenwhenmitigatingawormattack？（）
单项选择题 WhenconfiguringtheCiscoVPNClient，whatactionisrequiredpriortoinstallingMutualGroupAuthentication？（）