Câu 93: 400-151: CCIE Data Center Written Exam

Which statement about VTP bombing is true?

1. A. It occurs because of configuration mismatch on VTPv3 switches. This problem can be avoided using a confirmation management tool.
2. B. It occurs when switches with different VTP versions are connected together. This situation may occur when a new switch is plugged into a stable VTP domain. The MAC address table of the new switch overrides the MAC address table of stable switches causing interruption of service.
3. C. It occurs when a client connects to a switch and launches a distributed denial of service attack against the VTP domain. This attack is possible only ifthe client knows the VTP password.
4. D. It occurs when a server with a higher revision number and a wrong VTP database is inserted into the VTP domain. This situation may occur when a new switch plugged into a stable VTP domain. The incorrect database is propagated to the domain and the earlier stable database is overwritten — đáp án hiện tại