In the next section, we will be simulating loss, the command tc qdiscwill be needed. when you first use the command you should use add dev for the device you plan on changing. it only needs to be set on the sender’s side. after adding the device use change dev. read through the following paragraph before starting the next step. open 2 terminals and have the commands typed and ready before you begin. in one terminal, download the 10mb. zip file again. while the download is in progress, change loss to 100%. after a few seconds, change loss to 0%.find a packet from the download with a source of the server and a destination of your computer. create a tcptrace graph with this packet selected. take a screenshot of the graph and explain what it is showing. using an image editting program, circle the areas where the 0% loss is shown, as well as where tcp is in slow-start and congestion-avoidance.