QUESTION 1 A bridge operates at the OSI model network layer. True ? False QUESTION 2 A mantrap is used to combat tailgating True O False QUESTION 3 A popular program used to encrypt and decrypt e-mail and files is QUESTION 4 A token is an authentication factor that typically takes the form of ?something you know?. ?True 0 False QUESTION 5 A virtual private network (VPN) is a secure virtual network built on top of a logical network. C False QUESTION 6 Aln) is used to protect against short-duration power failures QUESTION 7 Access tokens are defined as "something you know. True False Click Saue and s