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<%@ page implements=’SingleThreadModel’ %>
第1题:
You are creating a new JSP page and you need to execute some code that acts when the page is firstexecuted, but only once. Which three are possible mechanisms for performing this initialization code?()
第2题:
Given that Thing is a class, how many objects and reference variables are created by the following code?() Thing item, stuff; item = new Thing(); Thing entity = new Thing();
第3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?()
第4题:
You work as a database administrator for Supportcenter.cn. 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?()
第5题:
While designing your database, you have created the EMPLOYEEStable as an index-organized (IOT). You want to create a bitmap index on the JOD_IDcolumn to make queries faster. Which task must have been completed so that you are able to create the bitmap index?()
第6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?()
第7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?()
第8题:
While designing your database, you have created the EMPLOYEES table as an index/x7forganized table (IOT). You want to create a bitmap index on the JOB_ID column to make queries faster. Which task must have been completed so that you are able to create the bitmap index?()
第9题:
Using Oracle Scheduler you have scheduled two jobs, JOB_A and JOB_B, to run at 9:00 p.m. every Friday. You want both the jobs to use a single resource plan, WEEKEND_PLAN. Which task must have already been performed to enable you to achieve this objective?()
第10题:
You need to design a strategy for identifying the number of instances that any one SQL Server 2005 computer will support. What should you do?()