A ____ is visible or invisible information added to an image, video, or audio that identifies the copyright owner of the media.

What is the most likely problem if a ping fails when using a device's hostname but not when using the device's IP address?

A) ARP B) DNS C) DHCP D) ND

The function int fact(int k) { return k*fact(k-1); if (k==0) return 1; }

A) computes the factorial on an integer k passed to it as parameter. B) returns the value 1 if it is passed a value of 0 for the parameter k. C) does not correctly handle its base case. D) works for all non-negative values of k, but not for negative numbers. E) None of the above