If A Dns Domain Name Is Voyager Fhda Edu How Many Labels Are Involved Here How Many 650828

1. Which domain is used by your system, generic or country?

2. Why do we need a DNS system when we can directly use an IP address?

3. To find the IP address of a destination, we need the service of DNS. DNS needs the service of UDP or TCP. UDP or TCP needs the service of IP. IP needs an IP destination address. Is this a vicious cycle here?

4. If a DNS domain name is voyager.fhda.edu, how many labels are involved here? How many levels of hierarchy?