What is the name for the system of hardware and software that blocks unauthorized users inside and outside the organization from entering?

A(n) ________ is a long dash in a sentence that marks a break in thought, similar to a comma but stronger

A) em dash B) em break C) trademark D) copyright

During a forensic investigation, a systems administrator indicates that she is in possession of a copy backup of the compromised system. This backup was taken a few hours before an attack disabled the system. You must decide whether to use the copy backup to restore the system. What is this type of backup?

A. a backup that backs up all the files similar to full backups but does not reset the file's archive bit B. a backup which uses a file's time stamp to determine if it needs archiving C. a backup in which all files that have been changed since the last full backup will be backed up and the archive bit for each file is not cleared D. a backup in which all files that have been changed since the last full or incremental backup will be backed up and the archive bit for each file is cleared