【单选题】You are managing an Oracle Database 11g database. You want to take a backup on tape drives of the USERS tablespace that has a single data file of 900 MB. You have tape drives of 300 MB each. To accomp...
A.
The SBT channel must be configured, with the MAXPIECESIZE set to 300 mb.
B.
The SBT channel must be configured, with the parallelism setting for the SBT devices set to 3.
C.
The COMPATIBLE initialization parameter for the database instance must be set to at least 10.0.
D.
The SBT channel must be configured, with the default parallelism setting for the SBT devices set to 1
【多选题】Given the above diagram and assuming that STP is enabled on all switch devices, which two statements are true?()
A.
DSW11 will be elected the root bridge.
B.
DSW12 will be elected the root bridge.
C.
ASW13 will be elected the root bridge.
D.
P3/1 will be elected the nondesignated port.
E.
P2/2 will be elected the nondesignated port.
F.
P3/2 will be elected the nondesignated port.
【判断题】Devices that are portable, but used while stationary, are sometimes removed from the group of mobile computing devices.
【简答题】城市用地平衡 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
【单选题】电路如图所示,其中U>0,I<0,关于此电路说法正确的是:( )
【多选题】关于图示正反转控制电路,以下说法正确的是
A.
mg src="http://p.ananas.chaoxing.com/star3/origin/dec36fd52cdc0d6841350ab611504111.jpg">
B.
左图所示的正反转电路,由正转变成反转时,必须先按停止按钮SB1
C.
左图所示的正反转电路,由正转变成反转时,可以不用先按停止按钮SB1
D.
右图所示的正反转电路,反向起动时不必使用停止按钮过渡而直接进行正反转控制
E.
右图所示的正反转电路,反向起动时必须使用停止按钮过渡进行正反转控制
【简答题】???? ????????????Questions 11 to 15 are based on the following passage:???? ??It is recently estimated that the book industry is trying to get a good read on its future. These days, instead of turning...
【多选题】下列哪些在中华人民共和国行政区域内直接或间接向环境排放污染物的企业事业单位、个体工商户(以下简称排污者),应按规定申请领取排污许可证:
A.
直接或间接向环境排放工业废水和医疗废水以及含重金属、放射性物质、病原体等有毒有害物质的其他废水和污水的;城镇污水集中处理设施的运营者。
B.
在工业生产中因使用固定的设备产生环境噪声污染的,或者在城市市区噪声敏感建筑物集中区域内因商业经营活动中使用固定设备产生环境噪声污染的。
D.
向海洋倾倒废物、种植业、非规模化畜禽养殖场和养殖小区排放污染物以及机动车、铁路机车、船舶、航空器等移动源排放污染物的。