【单选题】
下面选型中不属于数据库安全模型的是___。
A. 自主型安全模型
B. 强制型安全模型
C. 基于角色的模型
D. 访问控制矩阵
查看试卷，进入试卷练习
微信扫一扫，开始刷题
答案
D
解析
暂无解析
相关试题
【单选题】
以下哪条命令能利用“SQL 注入”漏洞动用 XP_cmdshell 存储过程，获得某个子目的清单？___
A. http://localhost/script?’:EXEC+master..XP_cmdshell+’dir’:--
B. http://localhost/script?1’:EXEC+master..XP_cmdshell+’ dir’:--
C. http://localhost/script?0’:EXEC+master..XP_cmdshell+’ dir’:--
D. http://localhost/script?1’:EXEC+master..XP_cmdshell+’ dir’--
【单选题】
以下哪条命令能利用“SQL”漏洞动用 XP_cmdshell 存储过程，启动或停止某项服务？___
A. http://localhost/script?’:EXEC+master..XP_servicecontrol+’start’ ,+’Server’ ;-
B. http://localhost/script?0’:EXEC+master..XP_servicecontrol+’start’ ,+’Server’ ;--
C. http://localhost/script?1’:EXEC+master..XP_servicecontrol+’start’ ,+’Server’ ; --
D. http://localhost/script?0’:EXEC+master..XP_servicecontrol+’start’ ,+’Server’ --
【单选题】
在 GRUB 的配置文件 grub.conf 中，“timeout=-1”的含义是___。
A. 不等待用户选择，直接启动默认的系统
B. 在 10 秒钟内，等待用户选择要启动的系统
C. 一直等待用户选择要启动的系统
D. 无效
【单选题】
在 Oracle 中，quota 可以限制用户在某个表空间上最多可使用多少字节，如果要限制data_ts 表 500K，以下哪个是正确的命令？___
A. quo 500k in data_ts
B. quota 500K on data_ts
C. quota data_ts ,imit 500K
D. quota data_ts on 500K
【单选题】
在 Oracle 中，建表约束包括引用完整性约束、check 完整性约束，还有以下三项是正确的，请排除一个错误选项。___
A. 非空完整性约束
B. 唯一完整性约束
C. 主码完整性约束
D. 数据角色性约束
【单选题】
在 Oracle 中，将 scott 的缺省表空间改为 data2_ts，下列哪个是正确的？___
A. ALTER USER scott DEFAULT TABLESPACE data2_ts
B. ALTER DEFAULT TABLESPACE data2_ts USER scott
C. ALTER USER scott TABLESPACE
D. EFAULT data2_ts
【单选题】
企业应该对上至高层领导下至普通员工的所有人员开展质量教育培训，质量教育培训的首要内容是___
A. 质量知识培训
B. 专 业技能培训
C. 质量意识教育
D. 统计技术培训
推荐试题
【单选题】
SIGMET is a weather advisory issued concerning weather______to the safety of all aircraft.___
A. significant
B. changeable
C. information
D. condition
【单选题】
Flight level is a______of constant atmospheric pressure which is related to a specific pressure datum 1013.2hpa.___
A. standard
B. surface
C. height
D. number
【单选题】
Air traffic means all aircraft in flight or operating on the______of an aerodrome.___
A. highway
B. hanger
C. maneuvering area
D. terminal
【单选题】
The true airspeed is the airspeed of an aircraft relative to______air.___
A. turbulence
B. smooth
C. undisturbed
D. the
【单选题】
Air speed is the speed of an aircraft relative to its surrounding______.___
A. traffic
B. airmass
C. clouds
D. wind
【单选题】
“Aircraft” means any machine that can derive support in the______from there actions of the air other than there actions of the air against the earth's surface.___
A. atmosphere
B. water
C. sea
D. lake
【单选题】
If the radar receiver detects the retarding time tR＝500mS between transmitting pulse and receiving pulse,now the target is______km from the radar station.___
A. 150
B. 120
C. 100
D. 75
【单选题】
“Advise______”means“ Tell me what you plan to do”.___
A. wanting
B. intentions
C. ideas
D. command
【单选题】
The recommendation is advisory in nature.The decision as to whether the flight can be conducted safely rests solely with the______.___
A. controller
B. manager
C. pilot
D. passengers
【单选题】
“There are broken______along the entire route between niner and one one thousand feet at the present time.”___
A. radial
B. clouds
C. weather
D. way
【单选题】
Th evertical speed in dicator measures______of climb or descent.___
A. time
B. point
C. rate
D. distance
【单选题】
A magnetic compass is the______air navigation instrument.___
A. basic
B. advanced
C. computer
D. improved
【单选题】
In the AFTN,the flight plan filing time shall consist of a______data-time group.___
A. four-digit
B. five-digit
C. six-digit
D. eight-digit
【单选题】
“______”is a notice containing information concerning the establishment,condition or change in any aeronautical facility service procedure or hazard,the timely knowledge of which is essential to personnel concerned with flight operations.___
A. AIP
B. SIGMT
C. NOTAM
D. AMP
【单选题】
“______”means visibility,cloud and present weather better than prescribed values or conditions.___
A. Weather clear
B. RVRQK
C. CAVOK
D. VisibilityOK
【单选题】
“______”is the height above the ground or water of the base of the lowest layer of cloud below 6000m covering more than half sky.___
A. roof
B. VFR Top
C. VMC
D. Ceiling
【单选题】
管制员在对空指挥过程中，应当主动地控制一句管制指令中所包含的管制指令的内容。一般情况下，管制员发布的一句管制指令中，包含的管制内容不应当超过___项
A. 1
B. 2
C. 3
D. 4
【单选题】
当观察到两个或多个雷达位置指示符相近，或观察到在同时作相似的移动以及遇到其它引起对目标怀疑的情况时，管制员应当___。
A. ：根据进程单和现有雷达信息仍可以提供雷达管制服务
B. ：向移交方了解是否是航空器的原因
C. ：应当采用两种以上识别方法进行识别直至确认为止
D. ：首先报告领班主任
【单选题】
“AIP”is“”___
A. Air Information Publication
B. Air traffic information Publication
C. Air traffic International Publication
D. Aeronautical Information Publication
【单选题】
An air show may with the consent of the______be the reason for an aerodrome being closed to all traffic for a few hours.___
A. Control tower
B. ACC
C. Approach Control
D. proper authorities
【单选题】
Who will be in charge for a flight?___
A. The first officer
B. The pilot-in-command
C. Fligh tattendant
D. Pilot
【单选题】
“APU”is______.___
A. a ground power facility
B. an air boarding facility
C. a hydraulic facility
D. a fueling facility
【单选题】
The magnetic compass indicates the______in which an aircraft is flying with respect to the magnetic north pole.___
A. level
B. bearing
C. route
D. direction
【单选题】
VHF communication frequency is_________
A. 100MHZ～350MHZ
B. 10MHZ～136.97MHZ
C. 30MHZ～300MHZ
D. 2MHZ～29.9999MHZ
【单选题】
The rmalth under storm is caused by_________
A. heating imbalance of the earth’s surface
B. the effect of the weather system
C. the up lifting effect of the terrain
D. the aclinicflow of temperature
【单选题】
Which is not included in a Flight Plan.___
A. Aircraft identification
B. Names of the crew members
C. Type of aircraft
D. Wake turbulence category
【单选题】
________is the number assigned to a particular multiple pulse reply signal transmitted by a transponder.___
A. SSRsignal
B. Transponder codes
C. Transmitter’s signal
D. Radio signal
【单选题】
________is the ratio of true air speed to the speed of sound.___
A. Mach number
B. Speed
C. Rate
D. Air speed ratio
【单选题】
_______is a specified area within or over which there may exist activities constituting a potential danger to aircraft___
A. Active area
B. Danger area
C. Special area
D. Over danger area
【单选题】
_______istheactualflightpathofanaircraftoverthesurfaceoftheearth___
A. Flyingpath
B. Overfly
C. Oversurfaceflight
D. Track
【单选题】
_______isageographicallocationinrelationtowhichthepositionofanaircraft,isreported___
A. Relativepoint
B. Geographicalpoint
C. Newpoint
D. Reportingpoint
【单选题】
_______istheintersectionoflinesofreference,usuallyexpressedindegrees/minutes/tenthsofminutesoflatitudeandlongitude,usetodeterminepositionorlocation___
A. Coordinates
B. Found
C. Reference
D. Determine
【单选题】
_______isthespeedofanaircraftrelativetothesurfaceoftheearth.___
A. Speed
B. Groundspeed
C. Surfacespeed
D. Airspeed
【单选题】
_______isthedirectioninwhichthenoseoftheairplanepointsduringflight___
A. Direction
B. Bearing
C. Heading
D. Distance
【单选题】
_______isanaltitudeorflightlevelmaintainedduringen-routelevelflight___
A. Cruisingaltitude
B. Flightlevel
C. Flyinglevel
D. Crosslevel
【单选题】
_______isacontrolareaorportionthereofestablishedintheformofacorridor,thecenterlineofwhichisdefinedbyradionavigationalaids___
A. Flyingarea
B. Airway
C. Lines
D. Radioline
【单选题】
_______isanaerodromespecifiedintheflightplantowhichaflightmayproceedwhenitbecomesinadvisabletolandattheaerodromeofintendedlanding___
A. landingaerodrome
B. Aerodromeinuse
C. Alternateaerodrome
D. Plannedaerodrome
【单选题】
_______isamagneticbearingextendingfromaVOR/VORTAC/TACANnavigationfacility___
A. Radial
B. Bearing
C. Magneticnumber
D. Radionumber
【单选题】
_______isaspecifiedgeographicallocationusedtodefineanareanavigationrouteortheflightpathofanaircraftemployingareanavigation___
A. Navigationpoint
B. Way–point
C. Gate
D. Route
