Problem 8 (16 pt) (a) Consider the following example, a student connects her laptop to the school network using an Ethernet cable. She wants to browse www.google.com. The school network is connected to Comcast ISP A day in the life: scenario browser ONS Comcast rnetwork 68 80.0,013 school network 68.80 2.0/24 Google Googie s network 64 233.160 01 web server 64.233.169 105 ) When the laptop connects to the school network, it communicates with the D server. What addresses of what devices does the laptop learn from the D messages? (You get full credits by answering two correct addresses) [4 pts) HCP ACK (ii) How does the laptop learn the MAC address of the first-hop router in the school network? Just answer the name of the protocol that the laptop should use) [2 pts] () For the laptop to know the IP address of wwww google.com. choose the names of protocols used in any of all layers during this process, from the following list. DNS, HTTP, UDP, TCP, IP, ATM, ALOHA, Ethernet, 802.11 [6 pts] (iv) Suppose Google uses OSPF as its intra-AS routing and Comcast uses RIP. What routing protocols are running on the gateway router in Google that connects Comcast? (Hint: two routing protocols) [4 pt]