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BGP Inter-domain Routing Protocol

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Questions and Answers

What is a characteristic of Border Gateway Protocol (BGP)?

It is a distance vector protocol.

It uses a hop count metric.

It is a link state protocol.

It is neither a link state nor a distance vector protocol. (correct)

What is the primary goal of BGP?

To minimize network traffic.

To provide quality of service (QoS) guarantees.

To find any path to a destination. (correct)

To find the optimal path to a destination.

What is the purpose of an internal BGP (iBGP) session?

To connect routers with different autonomous systems.

To propagate routing policies to neighboring ASs.

To connect routers with the same autonomous system. (correct)

To minimize network traffic.

What is a factor in BGP route selection?

Local preference value attribute. Signup and view all the answers

What is the purpose of an external BGP (eBGP) session?

To obtain subnet reachability information from neighboring ASs. Signup and view all the answers

What happens when a router learns of a new prefix through BGP?

It updates its forwarding table. Signup and view all the answers

What is a key advantage of OSPF over RIP in terms of hops?

OSPF does not have a hop limit Signup and view all the answers

What type of protocol is EIGRP?

Hybrid routing protocol with distance vector and link-state features Signup and view all the answers

What is a key feature of OSPF that helps prevent routing loops?

Link-state advertisements Signup and view all the answers

What is the metric used by OSPF to determine the best path?

Cost of sending packets Signup and view all the answers

How does EIGRP handle updates?

Triggered updates Signup and view all the answers

What is the benefit of hierarchical OSPF in large domains?

Improved network scalability Signup and view all the answers

What is the primary purpose of a routing protocol?

To inform routers of changes in the network Signup and view all the answers

What is the primary distinction between Interior Gateway Protocols (IGP) and Exterior Gateway Protocols (EGP)?

IGPs are used for routing within an autonomous system, while EGPs are used for routing between autonomous systems Signup and view all the answers

Which of the following is a characteristic of RIP?

It is a distance-vector routing protocol Signup and view all the answers

What is the main advantage of OSPF over RIP?

OSPF is a link-state routing protocol, while RIP is a distance-vector routing protocol Signup and view all the answers

Which of the following metrics is used by routing algorithms to determine the best route?

Hop count Signup and view all the answers

What is the purpose of timer configuration in routing protocols?

To speed up the convergence of routing protocols Signup and view all the answers