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Distance Vector and Link-State protocols converge more
quickly if:
A. there is router redundancy
B. there is router redistribution
C. the update interval is set to its maximum
D. the whole routing table is sent to announce changes
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Answer: A
Distance Vector and Link-State protocols converge more
quickly if there is redundancy between routers.
Redistribution is when you can exchange routing information
between networks that are using different routing protocols.
Route redistribution is a key feature in Cisco routers.
Mastering the usage of route redistribution is important to
enable different protocols to communicate with each other
successfully. Setting the update interval to the maximum
means that it would take longer for changes to propagate
through the network. Sending the whole routing table is not
as efficient as sending only the part that has changed.
Convergence is the process of agreement, by all routers, on
optimal routes. When a network event causes routes to either
halt operation or become available, routers distribute
routing update messages. Routing update messages permeate
networks, stimulating recalculation of optimal routes and
eventually causing all routers to agree on these routes.
Routing algorithms that converge slowly can cause routing
loops or network outages.
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