____ are scalable graphics that are built using mathematical formulas, rather than pixels.

____________ is the feature that works with Windows Backup to enable the back up of all files, including those that an application might have open currently

a. Restore copies b. File copies c. Volume shadow copies d. Distributed folders

A(n) ______ begins at a vertex v, passes through every vertex exactly once, and terminates at v.

a) multigraph b) spanning tree c) Euler circuit d) Hamilton circuit