A daemon is a long-running background process on Unix-like servers that runs without a terminal and provides a service such as SSH,…
A dedicated server is a physical machine rented or owned by a single customer, whose CPU, memory, storage and network are not…
A differential backup copies all data changed since the last full backup, so a server restore needs only that full backup plus…
Disaster recovery (DR) is the planned process of restoring servers, data and services after a major outage within defined RTO and RPO…
Disk I/O is the reading and writing of data between a server and its storage, measured in IOPS, throughput and latency, and…