271 lines
13 KiB
HTML
271 lines
13 KiB
HTML
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<?xml version="1.0" encoding="utf-8"?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" lang="en-US" xml:lang="en-us">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<meta name="dc.language" scheme="rfc1766" content="en-us" />
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<!-- All rights reserved. Licensed Materials Property of IBM -->
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<!-- US Government Users Restricted Rights -->
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<!-- Use, duplication or disclosure restricted by -->
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<!-- GSA ADP Schedule Contract with IBM Corp. -->
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<meta name="dc.date" scheme="iso8601" content="2005-09-06" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 1997, 2006" />
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<meta name="security" content="public" />
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<meta http-equiv="PICS-Label" content='(PICS-1.1 "http://www.icra.org/ratingsv02.html" l gen true r (cz 1 lz 1 nz 1 oz 1 vz 1) "http://www.rsac.org/ratingsv01.html" l gen true r (n 0 s 0 v 0 l 0) "http://www.classify.org/safesurf/" l gen true r (SS~~000 1))' />
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<meta name="owner" content="RCHCLERK@us.ibm.com" />
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<title>K</title>
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<link rel="stylesheet" type="text/css" href="ibmidwb.css" />
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<link rel="stylesheet" type="text/css" href="ic.css" />
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</head>
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<body>
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<a id="Top_Of_Page" name="Top_Of_Page"></a><!-- Java sync-link -->
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<script language = "Javascript" src = "../rzahg/synch.js" type="text/javascript"></script>
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<a name="k"></a>
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<h2 id="k">K</h2>
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<p>Return to <a href="as4glos.htm#as4glos">Glossary</a>.</p>
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<dl>
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<dt id="x2057628" class="bold">
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<a name="x2057628"></a>Kanji</dt>
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<dd>A graphic character set consisting
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of symbols used in Japanese ideographic alphabets. Each character is represented
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by 2 bytes.</dd>
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<dt id="x2057633" class="bold">
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<a name="x2057633"></a>Katakana</dt>
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<dd>A Japanese phonetic syllabary
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used primarily for foreign names and place names and words of foreign origin.
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The symbols are angular, while those of Hiragana are cursive. Katakana is
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written left to right, or top to bottom. See also <a href="rzaatk.htm#x2057628">Kanji</a>.</dd>
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<dt id="x2210106" class="bold">
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<a name="x2210106"></a>KDC</dt>
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<dd>See <a href="rzaatk.htm#x2028006">key
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distribution center</a>.</dd>
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<dt id="x2027948" class="bold">
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<a name="x2027948"></a>keep-alive</dt>
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<dd>Pertaining to the amount
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of time that elapses before a message is sent to verify a connection.</dd>
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<dt id="x2027953" class="bold">
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<a name="x2027953"></a>Kerberos</dt>
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<dd>The security system of Massachusetts
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Institute of Technology's (MIT) Project Athena. It uses symmetric key cryptography
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to provide security services to users in a network.</dd>
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<dt id="x2027958" class="bold">
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<a name="x2027958"></a>kernel</dt>
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<dd>In OSI, a session-layer functional
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unit that supports the basic session services required to establish connections,
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transfer normal data, and release connections.</dd>
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<dt id="x2027963" class="bold">
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<a name="x2027963"></a>kernel thread</dt>
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<dd>A one-to-one mapping
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between program threads and process threads where each thread is assigned
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to a machine task.</dd>
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<dt id="x2002682" class="bold">
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<a name="x2002682"></a>key</dt>
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<dd>(1) A field used to search for a
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database segment or a record, or to sort a set of records.</dd>
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<dd>(2) A column
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or an ordered collection of columns that is identified in the description
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of a table, index, or referential constraint. The same column can be part
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of more than one key.</dd>
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<dd>(3) In computer security, a sequence of symbols
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that is used with a cryptographic algorithm for encrypting or decrypting
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data. See also <a href="rzaatp.htm#x2034701">private key</a>, <a href="rzaatp.htm#x2035427">public key</a>.</dd>
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<dt id="x2027986" class="bold">
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<a name="x2027986"></a>keyboard profile</dt>
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<dd>In iSeries™ Access, a
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file that defines the way characters and functions are mapped to keys on the
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keyboard when the personal computer is emulating a host session.</dd>
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<dt id="x2027991" class="bold">
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<a name="x2027991"></a>keyboard shift</dt>
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<dd>In DDS, a characteristic
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that can be specified for a field in a display file that automatically shifts
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the display station keyboard to control what the display station user can
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enter into the field. In IDDU and DDS, the keyboard shift can also be specified
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in database files, but only applies when these fields are referred to in a
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display file.</dd>
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<dt id="x2186192" class="bold">
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<a name="x2186192"></a>keyboard shortcut</dt>
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<dd>A key or combination
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of keys that a user can press to perform an action that is available from
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a menu.</dd>
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<dt id="x2027996" class="bold">
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<a name="x2027996"></a>keyboard style</dt>
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<dd>In iSeries Access, the
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keyboard key assignments that are changed to match a particular keyboard type
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or user-defined arrangement.</dd>
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<dt id="x2028001" class="bold">
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<a name="x2028001"></a>keyboard type</dt>
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<dd>The physical key arrangement
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and assignments for the keyboard shipped from the factory.</dd>
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<dt id="x2028006" class="bold">
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<a name="x2028006"></a>key distribution center (KDC)</dt>
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<dd>(1) A network
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service that provides tickets and temporary session keys. The KDC maintains
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a database of principals (users and services) and their associated secret
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keys. It is composed of the authentication server and the ticket granting
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ticket server. It is important to use a secure machine to act as the KDC.
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Otherwise, the entire realm could be compromised.</dd>
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<dd>(2) In the Kerberos
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protocol, the central server, which includes both the authentication server
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and the ticket-granting server. The KDC is sometimes referred to as the Kerberos
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server.</dd>
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<dt id="x2028011" class="bold">
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<a name="x2028011"></a>keyed compliance</dt>
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<dd>A requirement whereby
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the user must have a license key (code) from the software provider to be able
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to change the usage limit or the expiration date of the license information.</dd>
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<dt id="x2028016" class="bold">
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<a name="x2028016"></a>keyed data queue</dt>
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<dd>An i5/OS™ data queue
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that contains individual pieces of data (messages) that are associated with
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a key value. Messages can be received from a keyed data queue by specifying
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the key value or a relational operator. The system-recognized identifier for
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the object type is *DTAQ.</dd>
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<dt id="x2028021" class="bold">
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<a name="x2028021"></a>keyed sequence</dt>
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<dd>An order in which
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records are retrieved that is based on the contents of key fields in records.
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See also <a href="rzaata.htm#x2014083">arrival sequence</a>.</dd>
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<dt id="x2028026" class="bold">
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<a name="x2028026"></a>keyed sequence access path</dt>
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<dd>An access
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path to a database file that is arranged according to the contents of key
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fields contained in the individual records.</dd>
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<dt id="x2028031" class="bold">
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<a name="x2028031"></a>key-encrypting key</dt>
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<dd>In Cryptographic
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Support, a key used to encrypt another cryptographic key.</dd>
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<dt id="x2028036" class="bold">
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<a name="x2028036"></a>key entry area</dt>
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<dd>In AFP™ Utilities, an
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area shown at the lower part of the image area for entering the parameters
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for an element.</dd>
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<dt id="x2028041" class="bold">
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<a name="x2028041"></a>key field</dt>
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<dd>A field used to arrange
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the records of a particular type within a file member.</dd>
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<dt id="x2028046" class="bold">
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<a name="x2028046"></a>key field level specification</dt>
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<dd>Data
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description specification coded on the lines following the last field specification.
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Key field level specifications are permitted only for physical files or logical
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files.</dd>
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<dt id="x2086352" class="bold">
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<a name="x2086352"></a>keylock feature</dt>
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<dd>A security feature
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in which a lock and key can be used to restrict the use of the display station.</dd>
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<dt id="x2028061" class="bold">
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<a name="x2028061"></a>keylock switch</dt>
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<dd>A switch on the control
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panel that can be set to one of four different positions to establish the
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power-on and power-off modes allowed for the system.</dd>
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<dt id="x2028071" class="bold">
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<a name="x2028071"></a>key of reference</dt>
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<dd>In COBOL, the key,
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either prime or alternate, currently being used to access records within an
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indexed file.</dd>
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<dt id="x2028076" class="bold">
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<a name="x2028076"></a>key pair</dt>
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<dd>In computer security, a
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public key and a private key. The sender uses the private key to encrypt the
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message. The recipient uses the public key to decrypt the message. Because
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the private key holds more of the encryption pattern than the public key does,
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the key pair is called asymmetric.</dd>
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<dt id="x2028081" class="bold">
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<a name="x2028081"></a>key policy</dt>
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<dd>A single, key-protection
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transform that the initiating key server offers to the responding key server.
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A key policy governs Phase I negotiations.</dd>
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<dt id="x2028086" class="bold">
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<a name="x2028086"></a>key ring</dt>
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<dd>In computer security, a
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file that contains public keys, private keys, trusted roots, and certificates.</dd>
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<dt id="x2028091" class="bold">
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<a name="x2028091"></a>key schedule</dt>
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<dd>In Cryptographic Support,
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sixteen 8-byte keys created by the Data Encryption Algorithm from the supplied
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cryptographic key that are used to encrypt or decrypt the supplied data.</dd>
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<dt id="x2028096" class="bold">
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<a name="x2028096"></a>key server</dt>
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<dd>A server that negotiates
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the values that determine the characteristics of a dynamic virtual private
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network (VPN) connection that is established between two endpoints.</dd>
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<dt id="x2028101" class="bold">
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<a name="x2028101"></a>key system</dt>
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<dd>In telephony, the type
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of telephone system that provides telephones with more than one line for users.
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Outside lines appear directly on the telephones instead of being routed through
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an operator and transferred, as in PBX systems.</dd>
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<dt id="x2028106" class="bold">
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<a name="x2028106"></a>key table</dt>
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<dd>(1) A file on the service's
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host system. Each entry in the file contains the service principal's name
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and secret key. On i5/OS, a key table file is created during configuration
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of network authentication service. When a service requests authentication
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to i5/OS with Network Authentication Service configured, that i5/OS checks the
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key table file for that service's credentials. To ensure that users and services
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are authenticated properly, you must have users and services enrolled on the
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KDC and on i5/OS.</dd>
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<dd>(2) In the Kerberos protocol, a file that contains service
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principal names and secret keys. The secret keys should be known only to the
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services that use the key table file and to the key distribution center (KDC).</dd>
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<dt id="x2028113" class="bold">
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<a name="x2028113"></a>key/think time</dt>
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<dd>In capacity planning,
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the time between interactive transactions such as typing, thinking, idle time,
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and so on. As an interactive user's proficiency with the application improves,
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the user's key/think time is likely to reduce, which can result in an increase
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in the observed throughput.</dd>
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<dt id="x2028118" class="bold">
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<a name="x2028118"></a>key translation</dt>
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<dd>In Cryptographic
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Support, the conversion of a data encrypting key from encryption under a previous
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key-encrypting key to encryption under another key-encrypting key.</dd>
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<dt id="x2002697" class="bold">
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<a name="x2002697"></a>keyword</dt>
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<dd>(1) One of the predefined words
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of a programming language, artificial language, application, or command.</dd>
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<dd>(2) A name that identifies an option used in an SQL statement.</dd>
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<dt id="x2028141" class="bold">
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<a name="x2028141"></a>keyword functions</dt>
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<dd>The result of processing
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DDS keywords in a record format specified on an operation.</dd>
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<dt id="x2028146" class="bold">
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<a name="x2028146"></a>keyword instruction</dt>
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<dd>In REXX, one
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or more clauses, the first of which starts with a keyword that identifies
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the instruction. Some keyword instructions affect the flow of control, while
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others provide services to the programmer. CALL, DO, and PARSE are examples
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of keyword instructions.</dd>
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<dt id="x2045026" class="bold">
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<a name="x2045026"></a>Kilovolt ampere (kVA)</dt>
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<dd>A unit of power.</dd>
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<dt id="x2028151" class="bold">
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<a name="x2028151"></a>Korean double-byte character set</dt>
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<dd>An IBM-defined double-byte character set for Korean, consisting of Korean
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non-Hangeul/non-Hanja set, Hangeul set, Hanja set and up to 1,880 user-definable
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characters.</dd>
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<dt id="x2028156" class="bold">
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<a name="x2028156"></a>Korean Hangeul character set</dt>
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<dd>A subset
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of the Korean DBCS, consisting of 2672 Hangeul characters and 52 Jamo characters.</dd>
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<dt id="x2028161" class="bold">
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<a name="x2028161"></a>Korean Hanja character set</dt>
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<dd>A subset
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of the Korean DBCS, consisting of 5265 Hanja characters.</dd>
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<dt id="x2028166" class="bold">
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<a name="x2028166"></a>Korean non-Hangeul/non-Hanja character set</dt>
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<dd>A subset of the Korean DBCS, consisting of non-Hangeul/non-Hanja characters,
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such as Greek, Russian, Roman numeric, alphanumeric and related symbols, Katakana,
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Hiragana, and special symbols. There are 940 characters in this set.</dd>
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<dt id="x2395101" class="bold">
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<a name="x2395101"></a>kVA</dt>
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<dd>See <a href="rzaatk.htm#x2045026">Kilovolt
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ampere</a>.</dd></dl>
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<a id="Bot_Of_Page" name="Bot_Of_Page"></a>
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</body>
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</html>
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