A proxy service can be used to cache web pages for future retrieval.

Which one of the following navigational paths shows the current service pack level to the user?

A. Click Start, right-click Network, and select Properties. B. Click Start, right-click Computer, and select Properties. C. Click Start, right-click Computer, and select Manage. D. Click Start, right-click Network, and select Manage.

If you add the following nodes to a binary search tree in the order they appear (left-to-right):

6 34 17 19 16 10 23 3 what will be the output of a postorder traversal of the resulting tree? a. 3 10 16 23 19 17 34 6 b. 3 6 17 16 10 19 23 34 c. 6 3 34 17 16 10 19 23 d. 10 16 23 19 17 34 3 6