knowledge base
A collection of knowledge in the form of subject-problem-solution information that pertains to a specific topic or subject of interest. The data is typically stored in a searchable database. One popular example of a knowledge base is the Microsoft Help & Support Knowledge Base.
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- kludge
Pronounced klooj. A derogatory term that refers to a poor design. Like hacks, kludges use nonstandard techniques. But, whereas a hack can connote a clever solution to a problem, a kludge always implies that the solution is inelegant.
- L0phtCrack
L0phtCrack is a password auditing and recovery application. It uses multiple assessment methods to assist administrators in reducing security risks. L0phtCrack helps to identify and remediate security vulnerabilities that result from the use of weak or easily guessed passwords and recover Windows and Unix account passwords to access user and administrator accounts whose passwords are […]
- L1 cache
Short for Level 1 cache, a memory cache built into the microprocessor. See under cache. The L1 cache is also called the primary cache.
- L2 cache
Short for Level 2 cache, cache memory that is external to the microprocessor. In general, L2 cache memory, also called the secondary cache, resides on a separate chip from the microprocessor chip. Although, more and more microprocessors are including L2 caches into their architectures.
- L2TP
Short for Layer Two (2) Tunneling Protocol, an extension to the PPP protocol that enables ISPs to operate Virtual Private Networks (VPNs). L2TP merges the best features of two other tunneling protocols: PPTP from Microsoft and L2F from Cisco Systems. Like PPTP, L2TP requires that the ISP’s routers support the protocol.