Describe classful and classless routing. Explain the importance of the subnet mask when discussing the different types. Compare and contrast the 2 different types of routing. You may find it necessary to provide some sort of picture to help explain the differences. Explain the differences between the 5 address classes. Please submit your assignment. Adhere to APA formatting and reference guidelines when writing your response. Additionally, your response should be free of grammatical errors, use complete sentences, and give specific details to support statements. For assistance with your assignment, please use your text, Web resources, and all course materials.