Please go through the video for the Assignment question
https://s3.us-east-1.amazonaws.com/blackboard.learn.xythos.prod/5a31b16bb2c48/3585584?response-content-disposition=inline%3B%20filename%2A%3DUTF-8%27%27ITS632_Week3Wetschl1.mp4&response-content-type=video%2Fmp4&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Date=20180916T044613Z&X-Amz-SignedHeaders=host&X-Amz-Expires=21600&X-Amz-Credential=AKIAIL7WQYDOOHAZJGWQ%2F20180916%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Signature=f8bc987ac6e7b4ce48e25e3a76fc709e800c7e636f60f2263b0a9e14f990afca
https://s3.us-east-1.amazonaws.com/blackboard.learn.xythos.prod/5a31b16bb2c48/3586496?response-content-disposition=inline%3B%20filename%2A%3DUTF-8%27%27ITS632_Week3Wetschl2.mp4&response-content-type=video%2Fmp4&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Date=20180916T044513Z&X-Amz-SignedHeaders=host&X-Amz-Expires=21600&X-Amz-Credential=AKIAIL7WQYDOOHAZJGWQ%2F20180916%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Signature=022f2f2a98813d3b3542b778214007394f1b02fe1151e85fd0a0e259ea8cf19f