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Certification Terms - LLarge Installation System Administration conference (LISA) - (UNIX/Linux users group conference focused on system administration)
last in, first out (LIFO) - (a programming procedure in which the last piece of data, or programming instruction, added to a memory stack, is the first piece of data taken off)
Latin America and Caribbean Network Information Center (LACNIC) - (regional Internet registry with overall management of public IP addresses for the Latin American region)
League of Professional System Administrators (LOPSA) - (voluntary organization of UNIX/Linux users involved in system administration)
Lightweight Directory Access Protocol (LDAP) - (industry-standard protocol which allows users to access, retrieve, and modify information in a directory)
Lightweight Extensible Authentication Protocol (LEAP) - (a proprietary protocol developed by CISCO for use in wireless LAN devices for authentication)
Linux Security Modules (LSM) - (a mini-program providing system access controls that can be loaded into a system as a separate component)
local area network (LAN) - (a computer network confined to a relatively small geographical area, such as a building or campus)
Local Internet Registry (LIR) - (registry with overall management of public IP addresses for a particular region within a country)
logical volume management (LVM) - (a method of storage management, or disk partitioning, which allows for dynamic reallocation of disk space from unused or underused portions to areas needing more storage space)