MAC explosion is best described as a large amount of MAC addresses being withdrawn and relearned?

• A.FALSE
• B.TRUE

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For the Carrier Supporting Carrier (CSC) VPRN, which routes are advertised from CSC-CE1 toPE1?

• A.IGP/LDP or labeled BGP routes for all PE system addresses in AS 5000 Site B
• B.IGP/LDP or labeled BGP routes for all PE system addresses in AS 1000
• C.VPN-IPv4 routes for all PE system addresses in AS 1000
• D.VPN-IPv4 routes for all PE system addresses in AS 5000 Site B

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Which of the following best describes the relationship between locally configured policies and the direction of traffic?

• A.Import policies affect the way the local AS receives traffic, while export policies affect the way it sends traffic.
• B.Both import and export policies affect the way the local AS sends traffic, but not the way it receives traffic.
• C.Both import and export policies affect the way the local AS receives traffic, but not the way it sends traffic.
• D.Import policies affect the way the local AS sends traffic, while export policies affect the way it receives traffic.

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Which of the following about inter-AS model A VPRN is FALSE?

• A.It requires the configuration of back-to-back VRFs between ASBR routers in different autonomous systems
• B.It is the most scalable of the Inter-AS models.
• C.Most routers that support VPRN functionality support model A by default.
• D.It uses conventional eBGP to distribute unlabeled IPv4 routes between ASBR routers in different autonomous systems.

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Which of the following SAP encapsulations supports only one service on a port?

• A.Dot1Q
• B.Q-in-Q
• C.Null
• D.BCP
• E.Ipcp

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