BGP is which type of Routing Protocol? BGP is a Path Vector Routing Protocol. It falls under the category of EGP (Exterior Gateway Protocol)   Which algorithm is used by BGP for best path selection? BGP uses Composite Metric for best path selection and install the best routes into the routing table   What are BGP Path attributes? BGP uses multiple attributes or metrics for best path selection which are Weight (cisco), LOCAL_PREF, aggregate, as_path, origin, MED, neighbor type (ebgp > ibgp), igp metric (next_hop), route age, router ID (originator ID), Neighbor IP   How many neighbor states are there … Continue reading BGP Interview Questions & Answers