Which two conditions would cause a router to drop a packet? (Choose two.)

IT Questions BankCategory: CCNAWhich two conditions would cause a router to drop a packet? (Choose two.)

Which two conditions would cause a router to drop a packet? (Choose two.)

  • The ACL that is affecting the packet does not contain at least one deny ACE.
  • No routing table entry exists for the packet destination, but the packet matches a permitted address in an outbound ACL.
  • No outbound ACL exists on the interface where the packet exits the router.
  • No inbound ACL exists on the interface where the packet enters the router.
  • The packet source address does not match the source as permitted in a standard inbound ACE.

Explanation: Routers will drop any packets for which no routing table destination can be found. ACLs are not required on interfaces, but if one exists and the IP address of the source in the packet does not match that permitted in a standard ACL, the packet will be dropped. ACLs can contain multiple permit and deny ACEs, but generally should contain at least one permit ACE, because ACLs contain an implicit deny ACE at the end.

Exam with this question: CCNA 3 v7 Module 4 Quiz - ACL Concepts

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