单选题You have created a JSP that includes instance variables and a great deal of scriptlet code. Unfortunately，after extensive load testing， you have discovered several race conditions in your JSP scriptlet code. To fixthese problems would require significa

题目
单选题
You have created a JSP that includes instance variables and a great deal of scriptlet code. Unfortunately，after extensive load testing， you have discovered several race conditions in your JSP scriptlet code. To fixthese problems would require significant recoding， but you are already behind schedule. Which JSP codesnippet can you use to resolve these concurrency problems？（）
A

<%@ page isThreadSafe=’false’ %>

B

<%@ implements SingleThreadModel %>

C

<%! implements SingleThreadModel %>

D

<%@ page useSingleThreadModel=’true’ %>

E

<%@ page implements=’SingleThreadModel’ %>

相似考题

1.BWhen something goes wrong，it can be very satisfying to say，”Well,it’s so-and-so’s fault.”or “I know I’m late，but it’s not my fault；the car broke down.”It is probably not your fault，but once you form. the habit of blaming somebody or something else for a bad situation，you are a loser. You have no power and could do nothing that helps change the situation. However,you can have great power over what happens to you if you stop focusing on whom to blame and start focusing on how to remedy the situation. This is the winner’s key to success.Winners are great at overcoming problems. For example, if you were late because your car broke down, maybe you need to have your car examined more regularly. Or, you might start to carry along with you the useful phone numbers, so you could call for help when in need. For another example, if your colleague causes you problems on the job for lack of responsibility or ability, find ways of dealing with his irresponsibility or inability rather than simply blame the person. Ask to work with a different person, or don’t rely on the person. You should accept that the person. Ask to work with a different person, or don’t rely on this person. You should accept that the person is not reliable and find creative ways to work successfully regardless of how your colleague fails to do his job well.This is what being a winner is all about—creatively using your skills and talents so that you are successful no matter what happens. Winners don’t have fewer problems in their lives; they have just as many difficult situations to face as anybody else. They are just better at seeing those problems as challenges and opportunities to develop their own talents. So, stop focusing on “whose fault it is.” Once you are confident about your power over bad situations, problems are just stepping stop on for success.46. According to the passage, winners __________ .A. deal with problems rather than blame othersB. meet with fewer difficulties in their livesC. have responsible and able colleaguesD. blame themselves rather that others

2.Formanageabilitypurposes，youhavebeentoldtoadda"count"instancevariabletoacriticalJSP DocumentsothataJMXMBeancantrackhowfrequentthisJSPisbeinginvoked.WhichJSPcodesnippetmustyouusetodeclarethisinstancevariableintheJSPDocument？（）A.<jsp：declaration>intcount=0；<jsp：declaration>B.<%!intcount=0；%>C.<jsp：declaration.instance>intcount=0；.<jsp：declaration.instance>D.<jsp：scriptlet.declaration>intcount=0；.<jsp：scriptlet.declaration>

3.Do you have any particular conditions that you would like the company to take into consideration?

4.But Jerry, have you really thought this ______? You would essentially be giving up the company that your great－grandfather built.A through ;B of ;C about

更多“单选题You have created a JSP that includes instance variables and a great deal of scriptlet code. Unfortunately，after extensive load testing， you have discovered several race conditions in your JSP scriptlet code. To fixthese problems would require significa”相关问题

  • 第1题：

    For manageability purposes， you have been told to add a "count" instance variable to a critical JSP Document so that a JMX MBean can track how frequent this JSP is being invoked. Which JSP code snippetmust you use to declare this instance variable in the JSP Document？（）

    • A、<jsp：declaration>int count = 0；<jsp：declaration>
    • B、<%! int count = 0； %>
    • C、<jsp：declaration.instance>int count = 0；. <jsp：declaration.instance>
    • D、<jsp：scriptlet.declaration>int count = 0；. <jsp：scriptlet.declaration>

    正确答案:A

  • 第2题：

    In a JSP-centric web application， you need to create a catalog browsing JSP page. The catalog is stored asa List object in the catalog attribute of the webapp’s ServletContext object.  Which scriptlet code snippetgives you access to the catalog object？（）

    • A、<% List catalog = config.getAttribute（"catalog"）； %>
    • B、<% List catalog = context.getAttribute（"catalog"）； %>
    • C、<% List catalog = application.getAttribute（"catalog"）； %>
    • D、<% List catalog = servletContext.getAttribute（"catalog"）； %>

    正确答案:C

  • 第3题：

    You have created a JSP that includes instance variables and a great deal of scriptlet code. Unfortunately，after extensive load testing， you have discovered several race conditions in your JSP scriptlet code. To fixthese problems would require significant recoding， but you are already behind schedule. Which JSP codesnippet can you use to resolve these concurrency problems？（）

    • A、<%@ page isThreadSafe=’false’ %>
    • B、<%@ implements SingleThreadModel %>
    • C、<%! implements SingleThreadModel %>
    • D、<%@ page useSingleThreadModel=’true’ %>
    • E、<%@ page implements=’SingleThreadModel’ %>

    正确答案:A

  • 第4题：

    You have built your own light-weight templating mechanism. Your servlets， which handle each request，dispatch the request to one of a small set of template JSP pages. Each template JSP controls the layout ofthe view by inserting the header， body， and footer elements into specific locations within the template page.The URLs for these three elements are stored in request scoped variables called， headerURL， bodyURL，and footerURL， respectively. These attribute names are never used for other purposes. Which JSP codesnippet should be used in the template JSP to insert the JSP content for the body of the page？（）

    • A、<jsp：insert page=’${bodyURL}’ />
    • B、<jsp：insert file=’${bodyURL}’ />
    • C、<jsp：include page=’${bodyURL}’ />
    • D、<jsp：include file=’${bodyURL}’ />
    • E、<jsp：insert page=’<%= bodyURL %>’ />

    正确答案:C

  • 第5题：

    You are building a Front Controller using a JSP page and you need to determine if the user’s session hasNOT been created yet and perform some special processing for this case. Which scriptlet code snippet willperform this test？（）

    • A、<% if （ request.getSession（false） == null ） {// special processing} %>
    • B、<% if （ request.getHttpSession（false） == null ） {// special processing} %>
    • C、<% if （ requestObject.getSession（false） == null ） { // special processing} %>
    • D、<% if （ requestObject.getHttpSession（false） == null ） { // special processing} %>

    正确答案:A

  • 第6题：

    You have to shut down the database instance with the ABORT option because of a hardware failure. Which statement is true about the subsequent opening of the database？（）

    • A、The database would open normally.
    • B、The database would not open， and it would stop at mount stage.
    • C、The database would open after automatically performing instance recovery.
    • D、The database would not open， and you have to perform database recovery to open it.

    正确答案:C

  • 第7题：

    You work as the Exchange administrator at Company.com.The Company.com network contains an Exchange Server 2010 Organization.Company.com has its headquarters in Paris where you are located.you are responsible for managing two exchange servers named -ex01 and -ex02.both exchange servers are configured to host the client access server role， the hub transport server role as well as the mailbox server role.terstkingex01 and -ex02 are members of a database availability group.during the course of the week you receive an instruction from management to ensure that users are able to make a connection to the client access server in the event of a single server failure. What should you do？（）

    • A、Your best option would be to have the Network Load Balancing feature installed on every server.Thereafter a second IP address should be assigned to every network adapter.
    • B、Your best option would be to have two new records created for the Client Access server from the DNS manager.
    • C、Your best option would be to have a hardware load balancer deployed. Then a DNS record should be created for the virtual IP address. Thereafter a Client Access server array should be configured.
    • D、Your best option would e to have a new service named Client Access Server created and a new IP address allocated from the Failover Cluster Manager.

    正确答案:C

  • 第8题：

    问答题
    Practice 2　　Discussion—about 5 minutes　　In this part of the test you are given a discussion topic. You have 30 seconds to look at the prompt card, an example of which is below, and then about 3 minutes to discuss the topic with your partner. After that the examiner will ask you more questions related to the topic.　　For two candidates　　Compromise on price　　You have had a negotiation with a foreign trade delegation which comes to nothing. You have been told to have this big deal come off.　　Discuss the situation together and decide:　　● which kind of activities would be suitable for a successful deal.　　● how much are you to step down　　For three candidates　　Compromise on Price　　You have had a negotiation with a foreign trade delegation which comes to nothing. You have been told to have this big deal come off.　　Discuss the situation together, and decide:　　● Which kind of activities would be suitable for a successful deal.　　● how much are you to step down.　　●·how to show your sincerity.

    正确答案： 【参考范例】
    B: Well, it’s really a pity that we didn’t reach any agreement on price at our last meeting. I think it’s not sensible for either side to persist in his own terms. We can make some progress.
    A: Yeah. 1 can’t agree more. In consideration of making a deal before their closing visit to our corporation, I’m also ready to make some concessions.
    B: How much are we to step down?
    A: How about coming down by… er, 3 percent.
    B: By what?
    A: By there percent.
    B: Ah, honestly speaking, the price you offer is really not reasonable. Almost it should be forbidden if I may say. You know, we have to keep the ball rolling.
    A: You might have some good suggestions in mind. Air your opinion, please.
    B: How about meeting each other half way? Each steps a bit backward so that business can be done.
    A: Maybe you are right.
    Question: Do you think they are likely to accept the quotation you offer this time, B?
    B: Well, I think they would. You know, supply exceeds demand at present and this situation is likely to continue for a long time yet, let alone that theirs have no advantages in quality, design, style or color assortment.
    解析： 暂无解析

  • 第9题：

    单选题
    You have built your own light-weight templating mechanism. Your servlets， which handle each request，dispatch the request to one of a small set of template JSP pages. Each template JSP controls the layout ofthe view by inserting the header， body， and footer elements into specific locations within the template page.The URLs for these three elements are stored in request scoped variables called， headerURL， bodyURL，and footerURL， respectively. These attribute names are never used for other purposes. Which JSP codesnippet should be used in the template JSP to insert the JSP content for the body of the page？（）
    A

    <jsp：insert page=’${bodyURL}’ />

    B

    <jsp：insert file=’${bodyURL}’ />

    C

    <jsp：include page=’${bodyURL}’ />

    D

    <jsp：include file=’${bodyURL}’ />

    E

    <jsp：insert page=’<%= bodyURL %>’ />


    正确答案： B
    解析： 暂无解析

  • 第10题：

    单选题
    You have to shut down the database instance with the ABORT option because of a hardware failure. Which statement is true about the subsequent opening of the database？（）
    A

    The database would open normally.

    B

    The database would not open， and it would stop at mount stage.

    C

    The database would open after automatically performing instance recovery.

    D

    The database would not open， and you have to perform database recovery to open it.


    正确答案： D
    解析： 暂无解析

  • 第11题：

    单选题
    You have lost all your RMAN backup set pieces due to a disk failure. Unfortunately， you have an automated cross-check script that also does a delete expired backupset command. You have restored all the backup set pieces from tape.  What command would you use to get those backup set pieces registered in the recovery catalog and the control file of the database again？（）
    A

     register database

    B

     recover catalog

    C

     load backupset

    D

     synch metadata

    E

     catalog start with


    正确答案： C
    解析： 暂无解析

  • 第12题：

    单选题
    For manageability purposes， you have been told to add a "count" instance variable to a critical JSP Document so that a JMX MBean can track how frequent this JSP is being invoked. Which JSP code snippetmust you use to declare this instance variable in the JSP Document？（）
    A

    <jsp：declaration>int count = 0；<jsp：declaration>

    B

    <%! int count = 0； %>

    C

    <jsp：declaration.instance>int count = 0；. <jsp：declaration.instance>

    D

    <jsp：scriptlet.declaration>int count = 0；. <jsp：scriptlet.declaration>


    正确答案： C
    解析： 暂无解析

  • 第13题：

    A JSP page needs to perform some operations before servicing the first request. Where can this be done？（）

    • A、 within a method called jspInit
    • B、 within the page directive of the JSP page
    • C、 within a scriptlet at the top of the JSP page
    • D、 within the  XML element

    正确答案:A

  • 第14题：

    Assume the tag handler for a st：simple tag extends Simple Tag Support. In what way can scriptlet code beused in the body of st：simple？（）

    • A、Set the body content type to JSP in the TLD
    • B、Scriptlet code is NOT legal in the body of st：simple.
    • C、Add scripting-enabled="true" to the start tag for the st：simple element
    • D、Add a pass-through Classic tag with a body content type of JSP to the body of st：simple， and place the scriptlet code in the body of that tag

    正确答案:B

  • 第15题：

    下列关于JSP的scriptlet的陈述正确的是（）。

    • A、Scriptlet是包含在<%和>%<%和%>之间的
    • B、Scriptlet可以包含import语句
    • C、Scriptlet不但包含Java代码，还可以包含html代码
    • D、整个JSP可以有多个<%t和%><%T和%<%和%>>对

    正确答案:A,D

  • 第16题：

    Assume the tag handler for a st：simpletag extends SimpleTagSupport. In what way can scriptlet code be used in the body of st：simple？（）

    • A、 Set the body content type to JSP in the TLD
    • B、 Scriptlet code is NOT legal in the body of st：simple
    • C、 Add scripting-enabled= “true” to the start tag for the st：simple element
    • D、 Add a pass-through Classic tag with a body content type of JSP to the body of st：simple， and      place the scriptlet code in the body of that tag.

    正确答案:B

  • 第17题：

    You work as a database administrator for Certkiller .com. In your production  database， the size of Database Buffer Cache needs to be increased immediately for the current as well as future instances of the database. The Oracle instance has been configured to accommodate any changes in the size of the memory structures. At this is production database， you want to accomplish this task with no impact on the user’s connections.  Which activity must you have completed before accomplishing this task？（）

    • A、You must have started the database instance in restricted mode.
    • B、You must have started the database instance inNORMALmode.
    • C、You must have started the database instance with server parameter file.
    • D、You must have started the database instance but must not have mounted.
    • E、You must have started the database instance but must not have opened.

    正确答案:C

  • 第18题：

    You have lost all your RMAN backup set pieces due to a disk failure. Unfortunately， you have an automated cross-check script that also does a delete expired backupset command. You have restored all the backup set pieces from tape.  What command would you use to get those backup set pieces registered in the recovery catalog and the control file of the database again？（）  

    • A、 register database
    • B、 recover catalog
    • C、 load backupset
    • D、 synch metadata
    • E、 catalog start with

    正确答案:E

  • 第19题：

    单选题
    Assume the tag handler for a st：simpletag extends SimpleTagSupport. In what way can scriptlet code be used in the body of st：simple？（）
    A

     Set the body content type to JSP in the TLD

    B

     Scriptlet code is NOT legal in the body of st：simple

    C

     Add scripting-enabled= “true” to the start tag for the st：simple element

    D

     Add a pass-through Classic tag with a body content type of JSP to the body of st：simple， and      place the scriptlet code in the body of that tag.


    正确答案： A
    解析： 暂无解析

  • 第20题：

    单选题
    In a JSP-centric web application， you need to create a catalog browsing JSP page. The catalog is stored asa List object in the catalog attribute of the webapp’s ServletContext object.  Which scriptlet code snippetgives you access to the catalog object？（）
    A

    <% List catalog = config.getAttribute（catalog）； %>

    B

    <% List catalog = context.getAttribute（catalog）； %>

    C

    <% List catalog = application.getAttribute（catalog）； %>

    D

    <% List catalog = servletContext.getAttribute（catalog）； %>


    正确答案： A
    解析： 暂无解析

  • 第21题：

    单选题
    A JSP page needs to perform some operations before servicing the first request. Where can this be done？（）
    A

     within a method called jspInit

    B

     within the page directive of the JSP page

    C

     within a scriptlet at the top of the JSP page

    D

     within the  XML element


    正确答案： B
    解析： 暂无解析

  • 第22题：

    单选题
    You are building a Front Controller using a JSP page and you need to determine if the user’s session hasNOT been created yet and perform some special processing for this case. Which scriptlet code snippet willperform this test？（）
    A

    <% if （ request.getSession（false） == null ） {// special processing} %>

    B

    <% if （ request.getHttpSession（false） == null ） {// special processing} %>

    C

    <% if （ requestObject.getSession（false） == null ） { // special processing} %>

    D

    <% if （ requestObject.getHttpSession（false） == null ） { // special processing} %>


    正确答案： A
    解析： 暂无解析

  • 第23题：

    单选题
    Your web application views all have the same header， which includes the  tag in the  elementof the rendered HTML. You have decided to remove this redundant HTML code from your JSPs and put itinto a single JSP called /WEB-INF/jsp/header.jsp. However， the title of each page is unique， so you havedecided to use a variable called pageTitle to parameterize this in the header JSP， like this： 10.${param.pageTitle} Which JSP code snippet should you use in your main view JSPs to insert the header and pass thepageTitle variable？（）
    A

    <jsp：insert page=’/WEB-INF/jsp/header.jsp’>. ${pageTitle=’Welcome Page’}. </jsp：insert>

    B

    <jsp：include page=’/WEB-INF/jsp/header.jsp’>. ${pageTitle=’Welcome Page’}. </jsp：include>

    C

    <jsp：include file=’/WEB-INF/jsp/header.jsp’>. ${pageTitle=’Welcome Page’}. </jsp：include>

    D

    <jsp：insert page=’/WEB-INF/jsp/header.jsp’>. <jsp：param name=’pageTitle’ value=’Welcome Page’ /> . </jsp：insert>

    E

    <jsp：include page=’/WEB-INF/jsp/header.jsp’>. <jsp：param name=’pageTitle’ value=’Welcome Page’ /> . </jsp：include>


    正确答案： A
    解析： 暂无解析

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