The Domain Name System (DNS) is a hierarchical distributed naming system for computers, services, or any resource connected to the Internet or a private network.nternet name servers and a communication protocol implement the Domain Name System. A DNS name server is a server that stores the DNS records for a domain name; a DNS name server responds with answers to queries against its database.
Direct Entry Petty Officer Program-Ideal for applicants with professional or prior service skills that relate to a Coast Guard job field, and are between the ages of 27 and 40. You may be able to enlist with a higher rank (E4), with more pay, increased benefits and greater responsibility.
The following persons are exempt from the mandatory boater education requirement: 1  Persons at least 18 years of age. 2  Persons accompanied by someone at least 18 years of age or above who has completed or is exempt from the course. 3  Persons holding a master's, mate's, or operator's license issued by the U.S. Coast Guard.