| Term | Definition |
| auditing | service that tracks the events , use and access of network resources and writes them to a log file |
| backup domain controller (BDC) | a DC that stores copies of the user account and security database. Can perform authentication and can be promoted to a PDC if the PDC fails |
| clustering | technology that allows up to eight servers to be connected and act as a single server |
| contiguous namespace | namespace in which the location must use the root domain name as part of its URL or as its complete name |
| disk quota | amount of disk space assigned to a specific user |
| domain | a logical group of users and equipment as defined by the network administrator |
| EFI partition | a partition on a GPT disk that contains all programs required to boot the computer in the same way the BIOS boots the computer |
| gateway service | service that translates communications between networks that use different Network Operating Systems |
| group account | collection of users that typically share a common job-oriented goal or similar function |
| Local Security Authority (LSA) | service that validates local and remote logons and generates a security access token |
| logon right | the ability to logon to the network |
| member server | server that belongs to a domain but does not serve as domain controller. authenticates user through another server that acts as PDC or BDC |
| namespace | label that identifies a unique location in a structure such as the internet |
| network share | resource on the network that is shared among assigned users |
| New Technology File System (NTFS) | native file format for Windows NT and Windows 2000/2003/2008 |
| one-way trust relationship | relationship in which one domain is trusted and one domain is trusting. trusting domain allows trusted domain to access its resources, but not the other way around. |
| pass-through authentication | ability to access all resources throughout the entire network with a single logon |
| primary domain controller (PDC) | a DC that hosts the security and user database and manages user access to the network. chief function is to authenticate domain users as they logon to NW |
| Security Account Manager (SAM) | service that maintains the security acount database in a Windows NT domain |
| share permissions | permissions assigned to a network share. comman share permissions are full control, change, and read |
| simple volume | a dynamic disk volume that exists on a single drive |
| spanned volume | a single dynamic disk volume that spans many drives |
| striped volume | a dynamic disk volume that increases the read/write access speed by spreading data across multiple hard disk drives |
| trust relationship | relationship between domains that allows users from on edomain to access resources on another domain for which they have no user account. user can access resources on the other domin without having to log in to it |
| user-level security | type of security that requires a user to authenticate through a security database to access a share |