單項選擇題Which BGP community is used to prevent the advertisement of the BGP prefix to other BGP peers?()

A.additive
B.none
C.no-export
D.no-advertise
E.local-as


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1.多項選擇題When should traffic shaping be implemented on Frame Relay PVCs?()

A.When you want to drop excess traffic above the CIR
B.When there is a speed mismatch between the central site and the remote site
C.When using Frame Relay SVCs
D.When over-subscribing the central site link
E.When LLQ is implemented on the Frame Relay PVC
F.When Multilink PPP LFI is implemented on the Frame Relay PVC

2.單項選擇題What IOS commands display MPLS label mapping on an LSR?()

A.Show mpls forwading-table
B.Show mpls ldp bindings
C.Show mpls ldp neighbor detail
D.Show mpls ldp parameters
E.Show mpls ldp discovery

3.多項選擇題Which of the following ATOM traffic encapsulations require the use of a Control Word?()

A.Cell relay
B.aal5
C.Ethernet VLAN
D.Frame Relay
E.HDLC
F.PPP

4.單項選擇題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 label
B.IGP label, TE label, VPN label
C.TE label, VPN label, IGP label
D.VPN label, IGP label, TE label
E.IGP label, VPN label, TE label

5.多項選擇題Unicast Reverse Path Forwarding (Urpf ) can work in the following modes:()

A.Express mode
B.Strict mode
C.Loose mode
D.Tunnel mode
E.Safe mode

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