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| 1. | C |
| 2. | D |
| 3. | B |
| 4. | B. The trick is in the maximum three keywords. This sets the maximum number of addresses that can be learned on a port. If only one static address is configured, two more addresses can be learned dynamically. |
| 5. | C |
| 6. | A |
| 7. | B |
| 8. | C |
| 9. | C. Because of the variety of user host platforms, port-based authentication (802.1x) cannot be used. The problem also states that the goal is to restrict access to physical switch ports, so AAA is of no benefit. Port security can do the job by restricting access according to the end users’ MAC addresses. |
| 10. | B |
| 11. | C and D |
| 12. | C |
| 13. | B and D |
| 14. | C |