安全完整性等级（Safety Integrity Level，简为SIL）则是指在一定时间条件下，安全相关系统能够实现所规定安全功能的概率。
安全完整性等级（Safety Integrity Level，简为SIL）则是指在一定时间条件下，安全相关系统能够实现所规定安全功能的概率。
相关考题：
安全仪表系统安全完整性等级评估从安全仪表系统的设计、安装、使用、管理和维护等方面进行,不需要安全仪表功能(SIF)及其相应的功能安全要求或安全完整性等级(SIL)评估。() 此题为判断题(对，错)。
The major technical areas of computer security are usually represented by the initials CIA(71)，integrity，and authentication or availability．A．confidentialityB．confidentC．secretD．safety
Which switching mode provides the highest level of integrity and error－free transport, rather then maximizing speed?() A. 802.1q forwardingB. VTP transparent modeC. Cut-throughD. Store-and-forwardE. Fragment-freeF. Frame-filtering
The amount of LFG that may be loaded into a given tank is determined by ______．A.Checking the loading sheetB.Loading to within 1 percent of outageC.Loading to within 10 percent of the safety relief valve settingD.Filling to the maximum level indicated on the liquid level gaging device
数据库三层约束的内容：码约束--实体完整性（entity integrity）约束，参照完整性（referential integrity]约束和用户参照完整性。简述关系模式中的三种完整性。
SIL是safety Integrity Lever的简称，中文的意思就是安全度等级．它是美国仪表学会（ISA）在S8.01标准中对过程工业中安全仪表系统所作的分类等级．SIL分为1、2、3三级。其中2级每年故降危险的平均概率为（）之间A、0.1～1B、0.01～0.1C、0.001～0.01D、0.0001～0.001
记住，安全第一。（）A、Remember: safety first.B、Mind. Safe the first.C、Think of it. Safety is one.D、Think of it. Safety first.
Which switching mode provides the highest level of integrity and error-free transport, rather then maximizing speed?（）A、802.1q forwardingB、VTP transparent modeC、Cut-throughD、Store-and-forwardE、Fragment-freeF、Frame-filtering
单选题（） means the level for which minimum appropriate protective security measures shall be maintained at all times, threats and exchanging such information with appropriate Contracting Governments.ASecurity level 1BSecurity level 2CSecurity level 3DLowest safety level
问答题数据库三层约束的内容：码约束--实体完整性（entity integrity）约束，参照完整性（referential integrity]约束和用户参照完整性。简述关系模式中的三种完整性。
多选题信息安全最关心的三个属性是什么？（）A机密性（confidentiality）B完整性（integrity）C可用性（availability）D身份验证（authentication）
单选题The amount of LFG that may be loaded into a given tank is determined by（）.Achecking the loading sheetBloading to within 1 percent of outageCloading to within 10 percent of the safety relief valve settingDfilling to the maximum level indicated on the liquid level gaging device
单选题（）means the level for which further specific protective security measures shall be maintained for a limited period of time when a security incident is probable or imminent, although it may not be possible to identify the specific target.ASecurity level 1BSecurity level 2CSecurity level 3DHighest safety level
单选题Which switching mode provides the highest level of integrity and error-free transport, rather then maximizing speed?（）A802.1q forwardingBVTP transparent modeCCut-throughDStore-and-forwardEFragment-freeFFrame-filtering
单选题The Company should ensure that the Safety and Environmental Protection policy is implemented and maintained（）.Aat the level of ship based organizationBat the level of shore based organizationCat all levels of the organization both ship based as well as shore basedDat highest level of the organization