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?

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

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Computer Networking
You connect a host to a switch port, but the new host cannot log into the server that is plugged into the same switch. What could the problem be?

The switch port the host is connected to is not configured to the correct VLAN membership.
The router is not configured for the new host.
The host has an invalid MAC address.
The VTP configuration on the switch is not updated for the new host.

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Computer Networking
Which of the following statements is correct for the use of packet switching?

All of these
None of these
the subdivision of information into individually addressed packets in conjunction with alternative routing arrangement enabled the transmission path to be altered in the event of congestion or individ
by employing wide bandwidth circuits for the trunk networks substantial economies through extensive sharing of capacity could be achieved.
the employment of additional intelligence within the network enabled more sophisticated error control and link control procedures to be applied

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