For How many years have the dinosaurs been extinct?

Special 3-D photographs which have been taken with laser beams (and which make the objects look real) are called what?

A group of workers was put on a job. From the second day onwards, one worker was withdrawn each day. The job was finished when the last worker was withdrawn. Had no worker been withdrawn at any stage, the group would have finished the job in 55% of the time. How many workers were there in the group?

A Contractor employed a certain number of workers  to finish constructing a road in a certain scheduled time. Sometime later, when a part of work had been completed, he realised that the work would get delayed by three-fourth of the  scheduled time, so he at once doubled the no of workers and thus he managed to finish the road on the scheduled time. How much work he had been completed, before increasing the number of workers?

 If a table has been normalized so that all determinants are candidate keys, then that table is in:

You recently been promoted to Network Administrator for DLM Shipping. When you took over this position the first thing you notice is this Windows 2000 environment using DNS naming convention, root domain is DIM.COM, with numerous child domains. User accounts are stored in the child domains. However your supervisor informs you that root domain is misspelled and should be DLM.COM. He explains this is causing tremendous problems with the users and customers. He wants you to rename the domain. What will happen if you rename this root domain server?

As a network administrator you have been requested to move a printer from your company's Marketing OU to your company's Research OU. After the move you test the printer and find that the local administrator assigned to the Marketing OU still has access and can remove print jobs from it. What can you do to change this?

A manager in your office received a new Windows 2000 Professional laptop computer. You have been asked to configure offline files for the manager to work on documents at home. You enable offline files, and have the manager log off of the network. During the logoff process, the expected synchronization of offline files does not occur. You have the manager log back on to the network. What can you do to correct the problem?