多項選擇題Which three MPLS statements are true？（）

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.


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1.單項選擇題

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？（）

A.encapsulation aal5snap applied to the PVC
B.encapsulation aal5ciscoppp applied to the PVC
C.encapsulation aal5ciscoppp applied to the ATM0 interface
D.encapsulation aal5mux ppp dialer applied to the ATM0 interface
E.encapsulation aal5mux ppp dialer applied to the PVC

2.多項選擇題What are two steps that must be taken when mitigating a worm attack？（）

A.Inoculate systems by applying update patches. 
B.Limit traffic rate. 
C.Apply authentication. 
D.Quarantine infected machines. 
E.Enable anti-spoof measures.

3.單項選擇題When configuring the Cisco VPN Client，what action is required prior to installing Mutual Group Authentication？（）

A.Transparent tunneling must be enabled.
B.A valid root certificate must be installed.
C.A group pre-shared secret must be properly configured.
D.The option to "Allow Local LAN Access" must be selected.

4.單項選擇題During the Easy VPN Remote connection process，which phase involves pushing the IP address， Domain Name System （DNS），and split tunnel attributes to the client？（）

A.mode configuration
B.the VPN client establishment of an ISAKMP SA
C.IPsec quick mode completion of the connection
D.VPN client initiation of the IKE phase 1 process

5.多項選擇題Which three categories of signatures can a Cisco IPS microengine identify？（）

A.DDoS signatures
B.strong signatures
C.exploit signatures
D.numeric signatures
E.spoofing signatures
F.connection signatures