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What are two disadvantages of using link-state routing? (Choose Two)
Link-state protocols use cost metrics to choose paths through the network
Link-state protocols manage large size topology tables
Link-state protocols require a hierarchical network design to reduce the size of the database
Link-state protocols produce a high volume of link-state advertisements for convergence
Link-state protocols are more intensive on CPU and memory
An advantage of link-state protocols is that they use cost metrics to choose paths through the network. The cost metric reflects the capacity of the links on those paths. These protocols have a complete and synchronized picture of the overall network, therefore routing loops are very rare an difficult to occur. However these functions require more memory and processing than normal distance vector protocols. Other disadvantage is the large database size that these protocols can produce if there is not a good network design.
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