Confidentiality is a virtue which we need to secure information by limiting computer access to authorized personnel only. People trust us to keep their private matters private. Keeping that confidence is an important aspect of trust.
I believe the question is asking which of the options is true about a cyber community. In that case, only D is true, as a cyber community, such as facebook or instagram, gives you that ability. The rest of the options only apply to a physical community.
The answer to the given question above is the third option: <span>It was longer and less constrained than the music of the Classical period. The Romantic Period in music actually has more freedom in design and form. During this period, music were even more artistic and intellectual as well. Romantic Period occurred the late 18th century until early 19th century.</span>
