______, the second one will start automatically.A.If the first stand-by set failedB.If the first stand-by set failsC.If the first stand-by set will failD.If the first stand-by set doesn’t fail
______, the second one will start automatically.
A.If the first stand-by set failed
B.If the first stand-by set fails
C.If the first stand-by set will fail
D.If the first stand-by set doesn’t fail
相关考题：
I have only one pen and I am going to buy ____. A、 the secondB、 one secondC、 a second oneD、 the second one
PublicclassHoltextendsThread{PrivateStringsThreadName；Publicstaticvoidmain（Stringargv[]）{Holth=newHolt（）；h.go（）；Holt（）{}；Holt（Strings）{sThreadName=s；PublicStringgetThreadName（）{returnsThreadName；}}Publicvoidgo（）{Hotfirst=newHot（first）；first.start（）；Hotsecond=newHot（second）；second.start（）；}Publicvoidstart（）{For（inti=0；i2；i++）{System.out.print（getThreadName（）+i）；Try{Thread.sleep（100）；}catch（Exceptione）{System.out.print（e.getMessage（））；}}}}当编译运行上面代码时，将会出现（）A.编译时错误B.输出first0，second0，first0，second1C.输出first0，first1，second10，second1D.运行时错误
阅读以下说明和Java代码，将应填入(n)处的字句写在对应栏内。【说明】下面的Java程序演示了程序竞争资源(Mutex的实例对象)而引起程序死锁的一种例子。【Java程序】import java．applet．*；import java．awt．*；//此处声明一个互斥类class Mutex { }class A extends (1){private Mutex first，second；public A(Mutex f，Mutex s){first = f；second = s；}public void run(){//锁定first变量(2) (first){try{ //本线程挂起，等待重新调度Thread．sleep(1)； //注意此处(1)不是小题序号}catch(InterruptedException e){}System. out. println("threadA got first mutex")；(2) (second) //锁定second变量{ //do somethingSystem. out. println("threadA got second mutex")；} //释放second变量} //释放first变量}}class B extends (1){private Mutex first，second；public B(Mutex f，Mutex s){(3) ；second = s；}public void run(){(2) (second) //锁定second变量{//do somethingtry{Thread．sleep(((int)(3*Math．random()))*1000)；//本线程挂起，等待重新调度}catch(InterruptedException e){}System．out．println("threadB got second mutex")；(2) (first) //锁定first变量{//do somethingSystem．out．println("threadB got first mutex")；} //释放first变量} //释放second变量}}public class DeadlockExample{public static void main(String arg[]){Mutex mutexX = new Mutex()；Mutex mutexY = new Mutex()；AthreadA = new A(mutexX，mutexY)；B threadB = new B (4)；threadA．(5)；threadB．start()；}}
Which of the following conditions will make a relation that is in first normal form. to be in second normal form?Ⅰ.every non-key attribute is functionally dependent on the full set of primary key attributes.Ⅱ.no non-key attributes exist in the relation.Ⅲ.the primary key consists of only one attribute.A．Ⅰ onlyB．Ⅰ and Ⅱ onlyC．Ⅰ and Ⅲ onlyD．any of them
执行下列程序，显示的结果是______。first="china"second=""a=LEN(first)i=aDO WHILE i＞=1second=second+SUBSTR(first,i,1)i=i-1ENDDO?second
下面程序的输出结果是______。 include using namespace std; int x; void funA(int，int)；void funB(int，int)；int main(){int first；int second=5；x=6；funA(first，second)；funB(first，second)；cout＜＜first＜＜””＜＜second＜＜””＜＜x＜＜endl；return 0；}void funA(int a，int b){int first；first=a+b；a=2*b；b=first+4；}void funB(int u, int v){int second；second=x；v=second+4；x=u+v；}
Two users share the same Windows 7 computer. The first user creates a document intended to be used by both users, and then logs off. The second user logs on and types the name of the document in the Start menu, but the document is not found. Which of the following is the problem?（）A. The document is set to hidden.B. The document is locked.C. The document was saved as a system document.D. The document is owned by the first user.
There are two syllables in the word "photo". occurs in both syllables, but the first one is__________the second because it is stressed.A．longer thanB．shorter thanC．as long asD．as short as
There are two syllables in the word "motto". /ēü/ occurs in both syllables, but the first one is longer than the second because __________.A．it is stressedB．it comes before a consonantC．it is in the first syllableD．it comes between two consonants
public class Bootchy { int bootch； String snootch； public Bootchy（） { this（”snootchy”）； System.out.print（”first “）； } public Bootchy（String snootch） { this（420， “snootchy”）； System.out.print（”second “）； } public Bootchy（int bootch， String snootch） { this.bootch = bootch； this.snootch = snootch； System.out.print（”third “）； } public static void main（String[] args） { Bootchy b = new Bootchy（）； System.out.print（b.snootch +“ “ + b.bootch）； } } What is the result？（） A、 snootchy 420 third second firstB、 snootchy 420 first second thirdC、 first second third snootchy 420D、 third second first siiootchy 420E、 third first second snootchy 420F、 first second first third snootchy 420
public class Holt extends Thread{ private String sThreadName； public static void main（String argv[]）{ Holt h = new Holt（）； h.go（）； } Holt（）{} Holt（String s）{ sThreadName = s； } public String getThreadName（）{ return sThreadName； } public void go（）{ Holt first = new Holt（"first"）； first.start（）； Holt second = new Holt（"second"）； second.start（）； } public void start（）{ for（int i = 0； i 2； i ++）{ System.out.println（getThreadName（） +i）； try{ Thread.sleep（100）； } catch（InterruptedException e）{ System.out.println（e.getMessage（））； } } } } 当编译运行上面的Java代码时，将会出现（）。 A、编译时错误B、输出first0， second0， first0， second1C、输出first0， first1， second0， second1D、运行时错误
英语中号码“5913129”的表示方法是“（）”。A、five nine one three one two nineB、five nine one third first second ninthC、five nine one thirty-first twenty-ninthD、five nine one thirty-first and twenty-ninth
Which action increases server availability？（）A、 configuring a second network card with a different IP addressB、 replacing the existing 100 Mbps NIC with a gigabit Ethernet NICC、 using adapter teaming and configuring the second network card with the same IP address as the first network cardD、 installing a dual-port network card that can handle the future growth and setting one NIC to 10 Mbps and one NIC to 100 Mbps
A user requires more storage space on their computer. After a technician installs a second IDE drive in the computer, the system will not recognize that there are any hard drives installed. Which of the following is the MOST likely cause of the problem?（）A、The second hard drive has not been formatted for NTFS.B、The jumpers on both drives are set to the cable select position.C、The jumper on the first drive is set to master and the second is set to slave.D、The jumpers on both drives are set to the master position.
Two users share the same Windows 7 computer. The first user creates a document intended to be used by both users, and then logs off. The second user logs on and types the name of the document in the Start menu, but the document is not found. Which of the following is the problem?（）A、The document is set to hidden.B、The document is locked.C、The document was saved as a system document.D、The document is owned by the first user.
An administrator is configuring RAID 1 in a server. The administrator has been given two matching 80GB SATA-2 hard drives， two SATA-2 cables， and a SATA-2 RAID adapter. How should the administrator BEST configure these drives？（）A、Install one drive on the first channel and install the second drive on the second channel.B、Install one drive on the first cable， on the first channel. Install the second drive on the secondcable， on the second channel.C、Install both drives on the same channel. Cable both drives as the primary master on the samecable.D、Install both drives on the same channel. On the same cable one drive should be set as primaryslave and the other drive as the primary master.
The database is currently running in the NOARCHIVELOG mode. What would be the first step to configure Flashback Database？（）A、 Enable flashback logging.B、 Start the database in the ARCHIVELOG mode.C、 Issue the ALTER DATABASE FLASHBACK ON； command.D、 Set the FAST_START_MTTR_TARGET initialization parameter.
单选题The database is currently running in the NOARCHIVELOG mode. What would be the first step to configure Flashback Database？（）A Enable flashback logging.B Start the database in the ARCHIVELOG mode.C Issue the ALTER DATABASE FLASHBACK ON； command.D Set the FAST_START_MTTR_TARGET initialization parameter.
单选题After installing a new hard drive into a server for the purpose of mirroring the data from the first drive to the second one， the server displays an “operating system not found” error. Which of the following should the technician do to boot the server from the original drive？（）AReplace the second drive with a hot swappable one.BSwap the drive boot order in the BIOSCMake the second disk active under the disk management tool.DRebuild the array using the hardware RAID tool at boot.
单选题A user requires more storage space on their computer. After a technician installs a second IDE drive in the computer, the system will not recognize that there are any hard drives installed. Which of the following is the MOST likely cause of the problem?（）AThe second hard drive has not been formatted for NTFS.BThe jumpers on both drives are set to the cable select position.CThe jumper on the first drive is set to master and the second is set to slave.DThe jumpers on both drives are set to the master position.
单选题Which action increases server availability？（）A configuring a second network card with a different IP addressB replacing the existing 100 Mbps NIC with a gigabit Ethernet NICC using adapter teaming and configuring the second network card with the same IP address as the first network cardD installing a dual-port network card that can handle the future growth and setting one NIC to 10 Mbps and one NIC to 100 Mbps
单选题Two users share the same Windows 7 computer. The first user creates a document intended to be used by both users, and then logs off. The second user logs on and types the name of the document in the Start menu, but the document is not found. Which of the following is the problem?（）AThe document is set to hidden.BThe document is locked.CThe document was saved as a system document.DThe document is owned by the first user.
单选题（）, the second one will start automatically.AIf the first stand-by set failedBIf the first stand-by set failsCIf the first stand-by set will failDIf the first stand-by set doesn’t fail
单选题The relationship between the first and second paragraphs is that _____.Aeach presents one side of the pictureBthe second is the logical result of the firstCthe first gives examples and the second generalizesDboth present the problems that customers encounter
单选题Which statement is TRUE about placing the eyes of two mooring lines on the same bollard?（）APut one line at the low point and one at the high point of the bollard so they don't touchBTake the eye of the second line up through the eye of the first line before putting the second line on the bollardCNever put two mooring lines on the same bollardDThe mooring line forward should be put on the bollard first
单选题The relationship between the first and second paragraphs is that______.Aeach presents one side of the picture.Bthe second is the logical result of the first.Cthe first gives examples and the second generalizes.Dboth present the problems that customers encounter.
单选题There are two svllables in the word photo. /əu/ occurs in both syllables, but the first one is_____the second because it is stressed.Alonger thanBshorter thanCas long asDas short as