The VLANs in switch R1 are being modified. Which of the following are updated in R1 every
time a VLAN is modified? (Select all that apply)

A.
Configuration revision number

B.
Configuration revision flag field

C.
Configuration revision reset switch

D.
Configuration revision database

E.
None of the other alternatives apply.

Explanation:
For accountability reasons, every time a VLAN is modified the revision number changes, as
does the information in the configuration revision database (as that is where the VLAN
information is stored).
Incorrect Answers:
B, C: The configuration revision flag field, and the configuration revision reset switch don’t
exist in this context.