Differences between asymmetric and symmetric encryption

“Encryption” Please respond to the following:
Examine the fundamental differences and similarities between asymmetric and symmetric encryption. Recommend one (1) application for which each encryption method is best suited. Provide a rationale for your response.
Use the Internet to research two (2) cyber attacks on companies within the past five (5) years. Take note of whether or not the companies used encryption. Next, analyze the two (2) cyber attacks that you researched. Determine whether or not the company used encryption and if it was effective. Provide one (1) recommendation to each company to protect data in the future.