Examine the figure and answer the question.  (Click the image to enlarge) (see answer below and video response.) Do you enjoy learning by watching? Check out the CompTIA Network+ N10-006 Complete Video Course. Answer The best answer is C. Session. Explanation: If VPN connections cannot be made, the problem can often be considered to reside … Continue reading Tech QOTD – Topic: OSI Model and VPN Connectivity (Network+)