What is Domain? What is DNS? What is DHCP? What is Active Directory? What is CMOS battery? Backup types

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Answers to common IT infrastructure questions

Domain: A group of computers and devices on a network that share a common set of rules for access and security
DNS: A system that translates domain names into IP addresses
DHCP: A protocol that automatically assigns IP addresses to devices on a network
Active Directory: A directory service that stores information about network resources and allows for centralized management of users, groups, and computers
CMOS battery: A small battery on a computer's motherboard that powers the CMOS memory, which stores BIOS settings
Backup types: Full, incremental, and differential backups are common types of backups used to protect data

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