Computer Networking
The fundamental requirements of private-to-public network interconnection methods which need to be provided in gateways is/are

to assign address to private network DTEs
A and B both
adequate cost control mechanisms for administration of the private networks
universal accessibility for private network Data Terminal Equipment (DTE)
None of these

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

No VLAN's are allowed, you must configure each VLAN by hand.
By default, all VLANs are allowed on the trunk.
Only extended VLAN's are allowed by default.
Only configured VLAN's are allowed on the link.

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