ADDS Server: 000 Print Server TI FTP Server Answer the following questions about the DNS configuration diagram shown below in Figure 1. DNS Server 1. What does a DNS service do for a network? 2. Do you have to have a DNS server on a network? Why or why not? 3. What is a DNS record and how is it used? Mail Server Database Server File Server Figure 1. 4. What type of DNS records are available to use? 5. What is a DNS zone, and what is the difference between a forward and reverse lookup zone? 6. For each of the servers shown in Figure 1, which DNS record would you assign to each? 7. Assuming that the domain the DNS server is on is Contoso.com and the network ID is 192.168.0.0/24, how would you configure the DNS record for each of the servers shown in Figure 1 (be specific with the information in each record)? 8. The network shown in Figure 1 assumes one DNS forward lookup zone is used for all the servers. Could multiple zones be used for different servers and what would be a scenario in which this may be preferred? 9. Suppose you wanted to have more than one DNS server and each of those servers would be the authoritative name server for different zones. How would you accomplish this (be specific)?