In addition to the criteria used by extended ACLs, what conditions are used by a classic firewall to filter traffic?
- TCP/UDP source and destination port numbers
- TCP/IP protocol numbers
- IP source and destination addresses
- application layer protocol session information
Explanation: The classic firewall provides stateful inspection including protocols that require multiple channels for communication such as FTP and H.323. Protocol numbers, port numbers, and source and destination IP addresses are all standard filters for extended ACLs.
Exam with this question: CCNA Security Chapter 4 Exam Answers
Exam with this question: CCNA Security Chapter 4 Exam (CCNAS v1.2)
Please login or Register to submit your answer