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单选题
Why is it appropriate to use conditional label advertising when deploying MPLS?()
A

to make CEF tables smaller

B

to enable label switching on the frame mode interface

C

to restrict MPLS availability to predefined time periods

D

to restrict label switching to a limited number of networks

E

to restrict end users from seeing the routers in the MPLS network


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考题 单选题As a network administrator, you are required to deploy MPLS technology. During the deployment, it is recommended to apply conditional label advertising. What is most probably the reason for that?()A to enable label switching on the frame mode interfaceB to restrict MPLS availability to predefined time periodsC to restrict end users from seeing the routers in the MPLS networkD to restrict label switching to a limited number of networks

考题 多选题Cisco IOS is the software used on the vast majority of Cisco Systems routers and current Cisco network switches. As a network administrator, you are required to configure MPLS on Cisco IOS. In such a situation, which three of the following steps are necessary to take?()AStart LDP.BEnable CEF switching.CConfigure conditional label advertising.DEnable label switching on frame mode interfaces.Edisable IP TTL propagationFconfigure conditional label advertising

考题 单选题There is MPLS VPN traffic traversing through a TE intermediate router. What is the MPLS packet labelstack sequence (from outer to inner) for the VPN traffic on this router?()A TE label, IGP label, VPN labelB IGP label, TE label, VPN labelC TE label, VPN label, IGP labelD VPN label, IGP label, TE labelE IGP label, VPN label, TE label

考题 单选题Using more than one label on a single packet is required in what context?()A MPLS TEB MPLS VPNC When CEF switching and Label switching is doneD In all the above circumstances