Why are inbound ACLs more efficient for the router than outbound ACLs?
- Inbound ACLs deny packets before routing lookups are required.
- Inbound ACL operation requires less network bandwidth than outbound.
- Inbound ACLs permit or deny packets to LANs, which are typically more efficient than WANs.
- Inbound ACLs are applied to Ethernet interfaces, while outbound ACLs are applied to slower serial interfaces.
Exam with this question: CCNA Discovery 3: DRSEnt Chapter 8 Exam