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.
To qualify for enlistment in Navy programs, men and women must be between the ages of 17 and 34. Parental consent is required for all 17-year-olds. In the nuclear field, the maximum enlistment age is 23, due to extensive training requirements.