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1Z0-899 PDF DEMO:

QUESTION NO: 1
Given the java code snippet in contextInitialized method of a ServletContextListner:
ServletRegistration.Dynamic sr = (ServletRegistration.Dynamic)sc.addServlet ("myServlet", myServletClass); sr.addMapping("/abc"); sr.setServletSecurityElement(servletSecurityElement); sr.addMapping("/def"); Which statement is true?
A. Both "/abc" and "/def" are mapped to "myservlet". The servletSecurityElementy applies to "/abc", but the behavior for "/def" is not specified.
B. Both "/abc" and "/def" are mapped to "myservlet". The servletSecurityElementy applies to both
"/abc" and "/def".
C. Both "/abc" and "/def" are mapped to "myservlet". The servletSecurityElementy applies to "/abc".
D. Both "/abc" and "/def" are mapped to "myservlet". The servletSecurityElementy applies to "/def".
E. "/abc" is mapped to "myservlet". The servletSecurityElementy applies to both "/abc" and "/def".
Answer: B

QUESTION NO: 2
You have built a web application that you license to small businesses. The webapp uses a context parameter, called licenseExtension, which enables certain advanced features based on your client's license package.
When a client pays for a specific service, you provide them with a license extension key that they insert into the <context-param> of the deployment descriptor. Not every client will have this context parameter so you need to create a context listener to set up a default value in the licenseExtension parameter.
Which code snippet will accomplish this goal?
A. String ext = context.getInitParameter('licenseExtension')if ( ext == null ) { context.resetInitParameter('licenseExtension' DEFAULT);}
B. String ext = context.getParameter('licenseExtension');if ( ext == null ) { context.setParameter('licenseExtension' DEFAULT);}
C. String ext = context.getAttribute('licenseExtension');if ( ext == null ) { context.setAttribute('licenseExtension' DEFAULT);}
D. String ext = context.getInitParameter('licenseExtension')if ( ext == null ) { context.setInitParameter('licenseExtension' DEFAULT);}
E. You cannot do this because context parameters CANNOT be altered programmatically.
Answer: D

QUESTION NO: 3
Given the portion of a valid Java EE web application's directory structure:
You want to know whether File1.html, File2.html, and/or File3.html is protected from direct access by your web client's browsers. What statement is true?
A. Only File2.html and File3.html are directly accessible.
B. Only File2.html is directly accessible.
C. Only File1.html is directly accessible.
D. All three files are directly accessible.
E. Only File3.html is directly accessible.
F. Only File1.html and File2.html are directly accessible.
G. Only File1.html and File3.html are directly accessible.
Answer: C
Explanation
Note:
* WEB-INF is the folder just under the root of a WAR that holds information that you don't want to be accessible to a client via a URL request. Specifically, it holds the web.xml, classes, and lib directories, but you can put anything you want to hide from the client there.
* META-INF is what discriminates a JAR file from a plain ZIP file. It holds the manifest file and may hold other deployment information as needed.

QUESTION NO: 4
Which two statements are true about the security-related tags in a valid Java EE deployment descriptor?
(Choose two)
A. It is possible to construct a valid <security-constraint> tag such that, for a given resource user roles can access that resource.
B. A <security-constraint> tag can have many <web-resource-collection> tags.
C. Every <security-constraint> tag must have at least one <http-method> tag.
D. A given <auth-constraint> tag can apply to only one <web-resource-collection> tag.
E. A given <web-resource-collection> tag can contain from zero to many <url-pattern> tags.
Answer: A,B

QUESTION NO: 5
A web application wants to expose to its clients an operation that results in a transaction being performed across several systems, for example the transfer of money from one bank account to another Which HTTP method should it use?
A. POST
B. OPT IONS
C. HEAD
D. GET
Answer: A

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Updated: May 27, 2022