When reintroducing an old switch into a VTP domain, what action prevents it from overwriting the VLAN database?
Choose an answer
Tap an option to check your answer.
Correct answer: Add the switch in the VTP domain with a lower revision number..
Why this is the answer
When reintroducing an old switch into a VTP domain, setting its VTP revision number to a lower value than the current domain's highest revision number prevents it from overwriting the existing VLAN database. VTP uses the revision number to determine which switch has the most up-to-date VLAN information; a higher revision number indicates more recent changes. If the old switch had a higher revision number (e.g., from a previous configuration or domain), it would propagate its potentially outdated VLAN database throughout the domain, causing network disruption. Setting a lower revision number ensures the switch will learn the correct VLAN information from the existing VTP domain. DTP (Dynamic Trunking Protocol) settings are unrelated to VTP database synchronization.
Pass your exam — without the endless answer hunt
Get every verified question and explanation for this exam in one place, and save hours of prep. 1,000+ certifications · 20+ languages · free to start.
Pass your exam faster → No card needed