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Cisco Certified Network Associate (CCNA) · Cisco
Select 2 answers.
This question asks for 2 answers, but our data marks only 1. Compare with the community discussion below for the full answer.
Written by other learners. Comments can disagree with the marked answer — check the official documentation when in doubt.
Some people seem confused why it isnt C: C is wrong because using private IPv4 addresses does not reduce the size of the forwarding table on routers. Routers still need to maintain routing information for all reachable subnets, whether they use public or private IPs. Forwarding table size is more influenced by network design and route summarization than by address type.
AE is clearly wrong. BD makes the most sense among BCD
B definitely, and D is reasonable since private addresses are non-routable (externally).