Design an algorithm that answers questions of this type: given a collection of trace data, the algorithm should decide whether the fake information generated by com- puter Ca at time x could have been received by computer Cb by time y. The algorithm should run in time O(m n).

Auser is given read permission to a file stored on an ntfs-formatted volume. the file is then copied to a folder on the same ntfs-formatted volume where the user has been given full control permission for that folder. when the user logs on to the computer holding the file and accesses its new location via a drive letter, what is the user's effective permission to the file? a. read b. full control c. no access d. modify e. none of the above