What are two benefits of using BFD for failure detection in the design of a network? (Choose two.)
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A. B. C. D. E.AB.
Bidirectional Forwarding Detection (BFD) is a protocol used to detect failures in a network in real-time. BFD provides a fast and consistent failure detection mechanism, which helps in reducing downtime and ensuring network availability. The benefits of using BFD in network design are:
A. BFD can provide failure detection in less than one second: One of the significant benefits of using BFD in network design is that it provides fast failure detection. BFD can detect failures in less than one second, which is much faster than other failure detection mechanisms. By providing quick failure detection, BFD can help in reducing downtime and ensuring network availability. This makes BFD an ideal choice for networks that require high availability.
B. BFD can be used as a generic and consistent failure detection mechanism for EIGRP, IS-IS, and OSPF: Another advantage of BFD is that it can be used as a generic and consistent failure detection mechanism for multiple routing protocols, including EIGRP, IS-IS, and OSPF. BFD provides a standardized way of detecting failures, which ensures consistent failure detection across different routing protocols. This eliminates the need for protocol-specific failure detection mechanisms, which can be complex and time-consuming to configure.
C. BFD eliminates router protocol hello notification: BFD can be configured to eliminate router protocol hello notification, which can help in reducing network traffic. By eliminating router protocol hello notification, BFD reduces the number of packets sent over the network, which can help in improving network performance.
D. BFD can be used for all types of network interfaces: BFD can be used for all types of network interfaces, including point-to-point, broadcast, and multicast interfaces. This provides flexibility in network design and allows BFD to be used in a wide range of network topologies.
E. BFD is independent of the network protocol: BFD is independent of the network protocol used in the network. This means that it can be used with any network protocol, including IP, MPLS, and ATM. This makes BFD a versatile protocol that can be used in a wide range of network environments.
In conclusion, BFD provides several benefits in network design, including fast and consistent failure detection, protocol independence, and flexibility in network topology.