What is an NS Record?
What is an NS Record? An NS (Name Server) record is a type of DNS record that identifies the authoritative name servers for…
What is an MX Record?
What is an MX Record? An MX (Mail Exchanger) record is a type of DNS record that specifies the mail servers responsible for…
Please describe DNS Records.
Please describe DNS Records. DNS records are the fundamental building blocks of the Domain Name System (DNS). They contain information that maps domain…
What is a DNS Zone?
What is a DNS Zone? A DNS zone refers to a portion of the Domain Name System (DNS) namespace that is managed by…
Understand the history and philosophy behind GNU/Linux.
Jamar is working on his GNU/Linux certification. He is trying to master this objective: Understand the history and philosophy behind GNU/Linux. Please help…
Understand the basic concepts and principles of cloud computing.
Ernesto is working on his cloud certification. Please help him to master this objective: Understand the basic concepts and principles of cloud computing.