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 host has an invalid MAC address.
The router is not configured for the new host.
The VTP configuration on the switch is not updated for the new host.

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Computer Networking
The term 'duplex' refers to the ability of the data receiving stations to echo back a confirming message to the sender. In full duplex data transmission, both the sender and the receiver

cannot talk at once
None of these
can send or receive data one at a time
can do one way data transmission only
can receive and send data simultaneously

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