s. Answer the following questions concerning Chapter 10. 10.1 What does DNS do? MAC address IP address a. Given an IP address, it returns the corresponding b. Given a MAC address, it returns the corresponding c. Given a name, it returns the corresponding protocol d. Given a name, it returns the corresponding IP port address 10.2 Which of the following would confirm that you have a DNS problem? A. PING returns a "request timed out" message B. PING works with the IP address but not with the name C. PING does not work with either an IP address or a Web site address D. PING works with both an IP address and a Web site address 10.3 What is the authoritative DNS (Domain Name System) server for NJIT? a The root name server b. The .edu name b. The most local I name server to the client d. NJIT's name server 10.4 You type in the URL http://www.mycorp.com into your web browser. Your operating system sends a DNS request to your local DNS server. However, your DNS server does not know the corresponding IP address. What happens next? a. The local DNS server will answer from its cache b. The local DNS server will report failure and your browser will display an error message c. The local DNS server will ask other servers, probably including the authoritative server for the mycorp.com domain, until it finds the answer d. The local DNS server will ask a root server, which knows all possible name-IP pairs . Answer the following questions concerning names: a. What is one functional top level domain? b. What is one geographical top level domain