Computer Networking
End-to-end connectivity is provided from host-to-host in:

Transport layer
Network layer
Data link layer
Session layer
None of these

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Computer Networking
The MAC (Media Access Control) address of the network card is used in both Ethernet and Token-Ring networks and is essential for communication. What does MAC provide?

The logical domain address for the workstation
A physical address that is randomly assigned each time the computer is started
An alias for the computer name
A physical address that is assigned by the manufacturer
A logical address that identifies the workstation

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