In which two environments would BGP add value? (Choose two)
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A. B. C. D.BC
BGP (Border Gateway Protocol) is a routing protocol used to exchange routing information between different networks on the internet. It is commonly used in service provider environments and large enterprise networks. Let's look at the two environments where BGP would add value:
In an enterprise environment with multiple upstream connections, BGP can provide load balancing and redundancy. BGP can be used to distribute traffic across multiple links to prevent congestion on any single link. It also provides failover capabilities, where if one link goes down, traffic can be rerouted over the remaining links. In this way, BGP ensures high availability and reliability of the enterprise network.
BGP is extensively used in service provider environments, where it provides connectivity between different autonomous systems (AS). Service providers have multiple upstream and downstream connections to other networks, and BGP helps in exchanging routing information between these networks. BGP provides scalability, flexibility, and robustness to the service provider network. It allows service providers to provide value-added services like MPLS, VPN, and traffic engineering.
In contrast, BGP would not add much value in a home office environment, as such environments usually have a single internet connection and do not need to exchange routing information with other networks. Therefore, options A and D are incorrect, while options B and C are correct.