Which of the following dynamic routing protocols are Distance Vector routing protocols?
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A. B. C. D. E.BE
Among the given options, EIGRP and RIP are Distance Vector routing protocols.
Distance Vector routing protocols are protocols that calculate the best path to a destination based on the distance metric (hop count) to reach the destination. Each router in the network shares information about its directly connected neighbors, which helps to build a routing table with the best path to reach a particular destination.
EIGRP (Enhanced Interior Gateway Routing Protocol) is a Cisco proprietary routing protocol that combines the features of both Distance Vector and Link-State routing protocols. EIGRP uses a metric based on bandwidth, delay, reliability, load, and maximum transmission unit (MTU) to calculate the best path to a destination.
RIP (Routing Information Protocol) is one of the oldest Distance Vector routing protocols. It uses hop count as a metric to determine the best path to a destination. RIP has a maximum hop count limit of 15, which means that any destination that is more than 15 hops away is considered unreachable.
On the other hand, IS-IS (Intermediate System to Intermediate System), OSPF (Open Shortest Path First), and BGP (Border Gateway Protocol) are Link-State routing protocols.
Link-State routing protocols are protocols that build a complete map of the network by exchanging information about their directly connected links. This information is used to build a shortest path tree (SPT) for each destination. Link-State routing protocols use a metric that takes into account factors such as bandwidth, delay, and cost to calculate the best path to a destination.
In summary, the two Distance Vector routing protocols among the given options are EIGRP and RIP.