Whichtwo scenarios are NOT safe to replace a StringBuffer object with a StringBuilder object？（）A、When using versions of Java technology earlier than 5.0.B、When sharing a StringBuffer among multiple threads.C、When using the java.io class StringBufferInputS

题目

Whichtwo scenarios are NOT safe to replace a StringBuffer object with a StringBuilder object？（）

  • A、When using versions of Java technology earlier than 5.0.
  • B、When sharing a StringBuffer among multiple threads.
  • C、When using the java.io class StringBufferInputStream.
  • D、When you plan to reuse the StringBuffer to build more than one string.
  • E、Enitiation of separate design processes to the separation of users
相似考题

1.The Delphi Method is _____ .A used to derive a consensus arriving at a convergent solutionB useful in determining probability relating to future events.C used with questionnaires based on established scenarios.D continued as an iterative process until a solution is reached.E All of the above.

2.(b) Explain how the process of developing scenarios might help John better understand the macro-environmentalfactors influencing Airtite’s future strategy. (8 marks)

3.Giventhatascopedattributecartexistonlyinauser’ssession,whichtwo,takenindependently,ensurethescopedattributecartnolongerexists?()A.${cart=null}B.<c：removevar=”cart”/>C.<c：removevar=”${cart}”/>D.<c：removevar=”cart”scope=”session”/>E.<c：removescope=”session”>cart</c：remove>F.<c：removevar=”${cart}”scope=”session”/>G.<c：removescope=”session”>${cart}</c：remove>

4.77 The Delphi Method is _____ .A. used to derive a consensus arriving at a convergent solutionB. useful in determining probability relating to future events.C. used with questionnaires based on established scenarios.D. continued as an iterative process until a solution is reached.E. All of the above

更多“Whichtwo scenarios a”相关问题

  • 第1题：

    Giventhatascopedattributecartexistsonlyinauser’ssession,whichtwo,takenindependently,ensurethescopedattributecartnolongerexists?()

    A.${cart=null}

    B.<c：removevar="cart"/>

    C.<c：removevar="${cart}"/>

    D.<c：removevar="cart"scope="session"/>

    E.<c：removescope="session">cart</c：remove>


    参考答案：B, D

  • 第2题：

    Whichtwo choicesareequivalent?()

    A.16>4

    B.16/2

    C.16*4

    D.16>>2

    E.16/22

    F.16>>>2


    参考答案：D, F

  • 第3题：

    Given:Whichtwo,placedonline13,willproducetheoutputgobstopper?()

    A.System.load（"prop.custom"）；

    B.System.getenv（"prop.custom"）；

    C.System.property（"prop.custom"）；

    D.System.getProperty（"prop.custom"）；

    E.System.getProperties（）.getProperty（"prop.custom"）；


    参考答案：D, E

  • 第4题：

    You are adatabase solutionsarchitect.Your company plansto develop asolution by using a SQLServer2008instance.The solutionhasthefollowingbusinessrequirements:ImportdatafromvariousdatasourcessuchasMicrosoftOfficeExcel,Microsoft SQL Server2000,MicrosoftSQLServer2005,andCSVfiles.Profilethesourcedatabeforeitisimported.Providecollaborationandofflinecapabilitiestomobileusers.Allowmobileuserstouseheterogeneousdatastores.YouneedtoconfiguretheappropriateSQLServercomponentstoaccomplishthebusinessrequirements.Youwanttoachievethisgoalbyusingtheminimum amountofadministrativeeffort.

    Whichtwo SQL Server componentsshould you use?（）


    参考答案：C, E

  • 第5题：

    When configuring a WLAN controller for a voice application using Cisco 7920 wireless IP phones. Whichtwo general control settings should you select？（）

    • A、Multicast on
    • B、Aggressive Load Balancing off
    • C、Multicast off
    • D、AP Fallback on
    • E、Aggressive Load Balancing on

    正确答案:B,C

  • 第6题：

    Which of the following business scenarios is the LEAST appropriate for Web services？（）

    • A、 Expanding the reach of your company information.
    • B、 Providing transactional services such as credit card payment processing.
    • C、 Making existing services available to a business process to orchestrate services.
    • D、 Enabling interoperability between heterogeneous services to create time-critical solutions.

    正确答案:D

  • 第7题：

    Which of the following scenarios would dictate the use of a 64-bit processor instead of a 32-bit processor？（）

    • A、Implementation of access control lists （ACLs）
    • B、Implementation of more than two network cards
    • C、Implementation of iSCSI attached storage
    • D、Implementation of more than 4GB of RAM

    正确答案:D

  • 第8题：

    多选题
    Which three scenarios are true about Domains?（）
    A

    Domains can be created using the Configuration Wizard.

    B

    Domains can be created using WLST.

    C

    Domain configuration files are located in the WebLogic home directory.

    D

    Domains can be created based on a domain template.


    正确答案： C,B
    解析： 暂无解析

  • 第9题：

    多选题
    In an Ethernet network, under what two scenarios can devices transmit?（）
    A

    when they receive a special token

    B

    when there is a carrier

    C

    when they detect no other devices are sending

    D

    when the medium is idle

    E

    when the server grants access


    正确答案： C,B
    解析： 暂无解析

  • 第10题：

    多选题
    In which scenarios would you rebuild an index？（）
    A

    when you need to disable the index usage

    B

    when you need to change storage options

    C

    when you need to enable index monitoring

    D

    when you need to move the index to another tablespace


    正确答案： D,B
    解析： 暂无解析

  • 第11题：

    多选题
    When configuring a WLAN controller for a voice application using Cisco 7920 wireless IP phones. Whichtwo general control settings should you select？（）
    A

    Multicast on

    B

    Aggressive Load Balancing off

    C

    Multicast off

    D

    AP Fallback on

    E

    Aggressive Load Balancing on


    正确答案： C,E
    解析： 暂无解析

  • 第12题：

    多选题
    In which of the scenarios will the DBA perform recovery（）
    A

    The alert log file is corrupted.

    B

    A tablespace is accidentally dropped.

    C

    One of the redo log members is corrupted.

    D

    A database user terminates the session abnormally.

    E

    The hard disk on which the data file is stored is corrupted.


    正确答案： B,D
    解析： 暂无解析

  • 第13题：

    YouneedtostoreaJavalongprimitiveattribute,calledcustomerOID,intothesessionscope.Whichtwo codesnippetsallowyoutoinsertthisvalueintothesession?()

    A.longcustomerOID=47L；session.setAttribute（"customerOID"，newLong（customerOID））；

    B.longcustomerOID=47L；session.setLongAttribute（"customerOID"，newLong（customerOID））；

    C.longcustomerOID=47L；session.setAttribute（"customerOID"，customerOID）；

    D.longcustomerOID=47L；session.setNumericAttribute（"customerOID"，newLong（customerOID））；


    参考答案：A, C

  • 第14题：

    classSuper{2.privateinta;3.protectedSuper(inta){this.a=a;}4.}.....11.classSubextendsSuper{12.publicSub(inta){super(a);}13.publicSub(){this.a=5;}14.}Whichtwo,independently,willallowSubtocompile?()

    A.Changeline2to：publicinta；

    B.Changeline2to：protectedinta；

    C.Changeline13to：publicSub（）{this（5）；}

    D.Changeline13to：publicSub（）{super（5）；}

    E.Changeline13to：publicSub（）{super（a）；}


    参考答案：C, D

  • 第15题：

    Youneedtocreateacolumnthatallowsyoutocreateauniqueconstraint.Whichtwo column definitionsshouldyou choose?()

    A.nvarchar（100）NULL

    B.nvarchar（max）NOTNULL

    C.nvarchar（100）NOTNULL

    D.nvarchar（100）SPARSENULL


    参考答案：A, C

  • 第16题：

    In an Ethernet network, under what two scenarios can devices transmit?()

    A. when they receive a special token

    B. when there is a carrier

    C. when they detect no other devices are sending

    D. when the medium is idle

    E. when the server grants access


    参考答案：C, D

  • 第17题：

    Given below is a list of scenarios： 1） A user terminates his session abnormally. 2） The connection between the server and the client application terminates because of a network failure. 3） A schema is accidentally dropped. 4） The tablespace is accidentally dropped from the database. 5） The hard disk gets corrupted and the data files in the disk are lost. 6） The database instance abnormally shuts down because of power failure.  Which scenarios require DBAintervention to perform recovery（）

    • A、1， 3， and 6
    • B、4， 5， and 6
    • C、3， 4， and 5
    • D、1， 2， and 6

    正确答案:C

  • 第18题：

    In an Ethernet network, under what two scenarios can devices transmit?（）

    • A、when they receive a special token
    • B、when there is a carrier
    • C、when they detect no other devices are sending
    • D、when the medium is idle
    • E、when the server grants access

    正确答案:C,D

  • 第19题：

    Identify three scenarios in which you would recommend the use of SQL Performance Analyzer to analyzeimpact on the performance of SQL statements.（）

    • A、Change in the Oracle Database version
    • B、Change in your network infrastructure
    • C、Change in the hardware configuration of the database server
    • D、Migration of database storage from non-ASM to ASM storage
    • E、Database and operating system upgrade

    正确答案:A,C,E

  • 第20题：

    单选题
    Given below is a list of scenarios：  1）A user terminates his session abnormally.  2）The connection between the server and the client application terminates because of a network failure.  3）A schema is accidentally dropped.  4）The tablespace is accidentally dropped from the database.  5）The hard disk gets corrupted and the data files in the disk are lost.  6）The database instance abnormally shuts down because of power failure.  Which scenarios require DBA intervention to perform recovery（）
    A

    4 and 5

    B

    1，3，and 6

    C

    4，5，and 6

    D

    3，4，and 5

    E

    1，2，and 6


    正确答案： D
    解析： 暂无解析

  • 第21题：

    多选题
    Which of the following scenarios are likely reasons for an EtherChannel to fail？（）
    A

    Mismatched EtherChannel protocol

    B

    Mismatched EtherChannel port selection

    C

    Mismatched EtherChannel distribution algorithm

    D

    Mismatched trunk mode

    E

    Mismatched native VLAN

    F

    Mismatched link speed


    正确答案： A,D
    解析： 暂无解析

  • 第22题：

    单选题
    Given below is a list of scenarios： 1） A user terminates his session abnormally. 2） The connection between the server and the client application terminates because of a network failure. 3） A schema is accidentally dropped. 4） The tablespace is accidentally dropped from the database. 5） The hard disk gets corrupted and the data files in the disk are lost. 6） The database instance abnormally shuts down because of power failure.  Which scenarios require DBAintervention to perform recovery（）
    A

    1， 3， and 6

    B

    4， 5， and 6

    C

    3， 4， and 5

    D

    1， 2， and 6


    正确答案： D
    解析： 暂无解析

  • 第23题：

    多选题
    An OSPF link can be in multiple states at any given moment （ie. Exstart， exchange， full）. Whichtwo IOS commands let you view the state of the link？（）
    A

    show ip ospf

    B

    show ip protocols

    C

    show ip ospf neighbor

    D

    show ip ospf interface


    正确答案： B,A
    解析： 暂无解析

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