What are two drawbacks of implementing a link-state routing protocol? (Choose two.)

What are two drawbacks of implementing a link-state routing protocol? (Choose two.)
A . the sequencing and acknowledgment of link-state packets
B . the high volume of link-state advertisements in a converged network
C . the requirement for a hierarchical IP addressing scheme for optimal functionality
D . the high demand on router resources to run the link-state routing algorithm
E . the large size of the topology table listing all advertised routes in the converged network

Answer: C, D