Convergence is ___

a. When a router obtains a clear view of the routes in a network.
b. A numeric measure assigned to routes for ranking the routes best to worst; the smaller the number, the better.
c. A procedure in the protocol that enables routers to use any of the multiple data paths available from multiple routers to reach the destination.
d. A procedure in the protocol that determines the best route.


a. This happens when a router obtains a clear view of the routes in a network.
Explanation:
Item Issue Purpose
1 Path Determination A procedure in the protocol that determines the best route.
2 Metric A numeric measure assigned to routes for ranking the routes best to worst; the smaller the number, the better.
3 Convergence This happens when a router obtains a clear view of the routes in a network. The time it takes for the router to obtain a clear view is called the convergence time.
4 Load Balancing A procedure in the protocol that enables routers to use any of the multiple data paths available from multiple routers to reach the destination.

Convergence usually happens when a router is first inserted into the network and establishes its routing table or after a network change/failure requiring it to recalculate route(s) or possibly the entire routing table.

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