Virtual LANs - Technical MCQs

Q1:

When a new trunk link is configured on an IOS-based switch, which VLANs are allowed over the link?

A By default, all VLANs are allowed on the trunk.

B No VLAN's are allowed, you must configure each VLAN by hand.

C Only configured VLAN's are allowed on the link.

D Only extended VLAN's are allowed by default.

ANS:A - By default, all VLANs are allowed on the trunk.

By default, all VLANs are allowed on the trunk link and you must remove by hand each VLAN that you don't want traversing the trunked link.