CertiGuide to Network+  9  Glossary

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Priority

A precedence ranking that determines the order in which the threads of a process are scheduled for the processor.

The mechanism that allows low-priority threads to run and complete execution rather than being preempted and locking up a resource such as an I/O device.

An automatic telephone switching system that enables users within an organization to place calls to each other without going through the public telephone network. Users can also place calls to outside numbers.

The secret half of a cryptographic key pair that is used with a public key algorithm. Private keys are typically used to digitally sign data and to decrypt data that has been encrypted with the corresponding public key.

“An entity autonomously operating a network using TCP/IP and in particular determining the addressing plan and address assignments within that network.” RFC 1918

A user’s right to perform a specific task, usually one that affects an entire computer system rather than a particular object. Administrators assign privileges to individual users or groups of users as part of the security settings for the computer.

Also known as kernel mode, the processing mode that allows code to have direct access to all hardware and memory in the system.

A method of restricting the amount of processor time a process consumes, for example, using job object functions.

An instantaneous count of the threads that are ready to run on the system but are waiting because the processor is running other threads.

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