What specific type of DNS query instructs a DNS server to process the query until the server replies with an address that satisfies the query or with an "I don't know" message?

Alex’s family members live in different parts of the world. they would like to discuss the wedding plans of one of their distant relatives. however, alex wants all the family members to talk to each other simultaneously so that they can make decisions quickly. which mode of internet communication should they use? a. blog b. email c. wiki d. message board e. instant messaging

Which is the best minecraft server? a. mineplex b. worldonecraft c. 9b9t d. 2b2t

This graph compares the cost of room and board at educational institutions in texas.