What is the difference between RA(Registration Authority) and CA(Certifying Authority)? RA interacts with the subscribers for providing CA services. The RA is subsumed in the CA, which takes total responsibility for all actions of the RA.
1 When you fall on hard times, a good friend is loyal to you. As the saying goes You know who your true friends are in hard times.  A good friend is sensitive to your needs and can be sensitive when the situation requires it.
A true friend is also someone who loves and respects us. A boyfriend and a girlfriend desire to be with each other. They love each other so much that they just want to be with each other as much as possible. This bond is also present in a good friendship because it has genuine love.