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QUESTION 81
Which two options are disadvantages of MPLS Layer 3 VPNs? (Choose two.)

A.    IP-only support
B.    lack of scalability
C.    dependency on service provider Layer 3 model
D.    complex PE-CE configuration
E.    less efficient than hub-and-spoke model

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QUESTION 61
What is required on a Cisco IOS XR router to assign an interface to a VRF?

A.    Assign the VRF to the interface, and then re-enable Cisco Express Forwarding on the interface.
B.    Assign the VRF to the interface, and then reset the CE-to-PE routing protocol process.
C.    Shut the interface, assign the VRF to the interface, and then no shut the interface.
D.    Remove the IP address configuration on the interface, assign the VRF to the interface, and then
reconfigure the IP address on the interface.

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QUESTION 41
When troubleshooting EoMPLS configuration problems, which three parameters must match between the two ends of the pseudowire configurations? (Choose three.)

A.    control word usage
B.    MTU size
C.    pseudowire ID
D.    Xconnect group name
E.    EFP subinterface number

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QUESTION 21
Which two statements about implementing a separate MPLS VPN to provide customers Internet access are correct? (Choose two.)

A.    The Internet gateway router will act as a CE router.
B.    Customers will use separate interfaces for VPN and Internet access.
C.    Customers are assigned to the Internet VPN.
D.    Internet routes will be leaked from the PE global routing table to the customer VRF.

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QUESTION 1
Which type of VPN requires a full mesh of virtual circuits to provide optimal site-to-site connectivity?

A.    MPLS Layer 3 VPNs
B.    Layer 2 overlay VPNs
C.    GET VPNs
D.    peer-to-peer VPNs

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QUESTION 101
How many labels does an MPLS packet have, with a bottom-of-stack label set to zero?

A.    The packet has no label.
B.    The packet has one label.
C.    The packet may have one or more labels.
D.    The packet has at least two labels.

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QUESTION 81
What are the four fields inside the MPLS shim header? (Choose four.)

A.    EXP
B.    TTL
C.    Version
D.    S
E.    Length
F.    Label
G.     Type
H.     FCS

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QUESTION 61
Which Cisco IOS XR command should be used to identify if MPLS TE FRR is enabled?

A.    show mpls traffic-eng tunnel <tunnel#>
B.    show mpls frr
C.    show mpls traffic-eng protection
D.    show mpls protection
E.    show mpls fast-reroute

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QUESTION 41
When using the tunnel mpls traffic-eng path-option 1 explicit name test command in Cisco MPLS TE tunnel configurations, the test explicit-path configuration will consist of a list of which values?

A.    tunnel endpoint
B.    resource class affinity
C.    MPLS label
D.    IP address

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QUESTION 21
Which statement is correct regarding the default MPLS TTL behavior?

A.    When an ingress edge LSR receives an IP packet, it will decrement the IP TTL field by 1; then it will
set the MPLS Label TTL field to 255.
B.    When an ingress edge LSR receives an IP packet, it will decrement the IP TTL field by 1; then it will
copy the decremented IP TTL field into the MPLS Label TTL field.
C.    When an ingress edge LSR receives an IP packet, it will just copy the IP TTL field into the MPLS Label
TTL field.
D.    When an ingress edge LSR receives an IP packet, it will copy the IP TTL field into the MPLS Label
TTL field first; then it will only decrement the MPLS Label TTL field by 1.
E.    When an ingress edge LSR receives an IP packet, it will copy the IP TTL field into the MPLS Label
TTL field first; then it will only decrement the IP TTL field by 1.