350-501 · Question #476
350-501 Question #476: Real Exam Question with Answer & Explanation
The correct answer is D: BGP sends labels to the CSG-PE router so that traffic can traverse the backbone carrier. CSC (Carrier Supporting Carrier) VPN services leverage BGP to exchange labeled routes between the customer service provider's PE routers and the backbone carrier's PE routers. BGP is used to distribute labels for the customer prefixes, enabling MPLS label switching across the bac
Question
How do CSC VPN services use BGP to support connectivity between customer sites?
Options
- ABGP uses address families for IPv6 support in networks that use IPv4 and IPv6 between
- BBGP eliminates the need for an IGP to run within the backbone earner core and provides more
- CThe BGP AS-Override feature allows the CSC network to use the same autonomous system
- DBGP sends labels to the CSG-PE router so that traffic can traverse the backbone carrier
Explanation
CSC (Carrier Supporting Carrier) VPN services leverage BGP to exchange labeled routes between the customer service provider's PE routers and the backbone carrier's PE routers. BGP is used to distribute labels for the customer prefixes, enabling MPLS label switching across the backbone carrier. This allows seamless traffic flow between customer sites while maintaining scalability and
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