Which of the following refers to a combination of hardware and software that ensures only authorized individuals gain entry into a computer system? A. Reverse marketing B. Firewall C. Malware D. Encryption E. Outsourcing

Reddit is  an american  social news  sharing service, web content  rating, and  discussion  website.  the name "reddit" is a  play-on-words  with the phrase "read it",  when items (links or text posts) are submitted to a subreddit, the users, called "redditors",  can vote for or against these links or posts (upvote/downvote).