QUESTION 7 What does ARP do? a. None of the above b. ARP is a request-response protocol whose messages are encapsulated by a link layer protocol, only on a single network. This is a connectionless protocol. C. ARP is a request-response protocol whose messages are encapsulated by a link layer protocol, only on a single network. This is a connection oriented protocol. d. ARP is a request-response protocol whose messages are not encapsulated by a link layer protocol, only on a single network. This is a connection oriented protocol. QUESTION 8 What does the loopback address do? a. Only used to testing websites. b. Non of the above. c. It is what the host uses to refer to itself. d. It is what the host uses to get a response form another host. QUESTION 9 What is the result for the following AND operation? 1010 AND 0010 a. 0000 b. 0010 C 1000 d. 1010