642-885資格取得、642-883技術試験
NO.1 A network specialist is working for a large enterprise that has a BGP-enabled multihomed coreinfrastructure. Recently, the ISP that provides Internet connectivity to the company had totemporarily disable one of the BGP sessions as a result of routers blackholing BGP prefixes in transit.Which option can the specialist use to avoid this incident in the future?A. filtering local prefixes outboundB. using only one router as primary BGP speakerC. permitting only local prefixes outbound[...]