Computer Networking
In OSI network architecture, the dialogue control and token management are responsibilities of

data link layer
None of these
transport layer
network layer
session layer

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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?

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

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