V5 Global Services Network Engineer L1 Interview Questions, Process, and Tips for Experienced

BGP stands for Border Gateway Protocol. It is a routing protocol used to exchange routing information between different networks.

• BGP is used to connect different autonomous systems (AS) on the internet.

• It is a path-vector protocol that selects the best path for data to travel based on various attributes.

• BGP is used by internet service providers (ISPs) to connect their networks to the internet.

• It is a complex protocol t...read more

BGP has four states: Idle, Connect, OpenSent, and Established.

• Idle state is the initial state of BGP.

• Connect state is when TCP connection is being established.

• OpenSent state is when BGP is waiting for an Open message from the peer.

• Established state is when BGP has established a connection with the peer.

• BGP can transition between these states based on the messages exchanged between peers.

BGP is a routing protocol used to exchange routing information between different autonomous systems.

• BGP uses TCP as its transport protocol.

• BGP is a path vector protocol.

• BGP uses attributes to determine the best path for routing.

• BGP attributes include AS path, next hop, local preference, and more.

• BGP is used in large-scale networks, such as ISPs and enterprise networks.

A network is a group of interconnected devices that can communicate with each other. OSI model is a conceptual framework for network communication.

• Network is a collection of devices connected together to share resources and information.

• OSI model is a layered approach to network communication.

• It has 7 layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application.

• Each layer has a specific functi...read more