Please explain with answers.

1. (L01) Use Case: Register You are in a developer role. You are building a web application that allows user to send short (256 character) messages to a set of users. Users can set who they send messages to. Write out the use case for having a user register for your web site. 2. (L01) Use Case: Send messages Use the same assumptions of the application as stated in Q1. Now, write the use case for having users send messages. Remember to have all of the elements of a use case present. 3. Verify requirements You are taking on the role of the client. How would you verify that use cases from Q1 and Q2 were implemented? Could you automated this? Explain. 4. Good Requirements How would you know if a requirement is bad? Can you implement a bad requirement? Explain and give an example. 5. Functional requirements Give 4 other functional requirments that you could implement for the problem presented in Q1. 6. non-functional requirements Give 2 non-functional requirments that you could implement for the problem presented in Q1