Computer Networking
The first step in troubleshooting many problems is to verify which of the following?

The WINS server is running
The BDC is operable
TCP/IP is installed correctly on the client
The subnet mask is valid
None of these

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

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Computer Networking
HDLC (High-level Data Link Control) is

None of these
a method access control technique for multiple-access transmission media
a method of determining which device has access to the transmission medium at any time
network access standard for connecting stations to a circuit-switched network
a very common bit-oriented data link protocol issued by ISO.

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