Free C9510-401 Exam Dumps PDF Preview

Question 1

Single choice

A system administrator has deployed an application. The development team has updated a new version of this application. The administrator needs to immediately deploy this updated application and guarantee that only this new edition is used by clients and that any service requests for the application are queued during the deployment of the new application.

How can the administrator achieve this task without any downtime to the application?

A
Perform a soft rollout.
B
Perform a hard rollout.
C
Perform an atomic rollout.
D
Perform a concurrent activation rollout.

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Correct answerC

Explanation

Performing an atomic rollout activates the new edition on half of the cluster first, and then activates the edition on the remaining half of the cluster. While the first half of the cluster is taken offline and updated, application requests are routed to the second half of the cluster. Verify that half the cluster can handle the entire load during the rollout period.

Question 2

Single choice

A web application has a configured session timeout of eight hours and a default LTPA token timeout of two hours. After every two hours, the users have to log in again from their HTTP browser. The system administrator is required to make configuration changed so users only have to log in once, while keeping the above mentioned timeouts the same. The authentication mechanism available is Kerberos.

How should the administrator do this?

A
Configure the SIP digest authentication.
B
Configure the SPNEGO Web or SPNEGO TAI.
C
Enable Session Management Security Integration.
D
Ensure Web Inbound security attribute propagation is enabled.

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Correct answerB

Explanation

In WebSphere Application Server Version 6.1, a trust association interceptor (TAI) that uses the Simple and Protected GSS-API Negotiation Mechanism (SPNEGO) to securely negotiate and authenticate HTTP requests for secured resources was introduced. This function was deprecated In WebSphere Application Server 7.0. SPNEGO web authentication has taken its place to provide dynamic reload of the SPNEGO filters and to enable fallback to the application login method.

References:
https://www.ibm.com/support/knowledgecenter/en/SSAW57_8.5.5/com.ibm.websphere.nd.doc/ae/
csec_ssovo.html

Question 3

Single choice

How can a system administrator secure a WebSphere Application Server environment to ensure that an application code will not be allowed to access any files in the server's file system?

A
Configure the CSIv2 outbound communications under RMI/IIOP security.
B
Configure the file-based repository and create the fileRegistry.xml file.
C
Enable Java 2 security and configure the app.policy and was.policy files.
D
Use the AdminTask deleteAuthorizationGroup to remove application access.

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Correct answerC

Explanation

When Java 2 security is enabled for a WebSphere Application Server, all the applications that run on WebSphere Application Server undergo a security check before accessing system resources. An application might need a was.policy file if it accesses resources that require more permissions than those granted in the default app.policy file

Question 4

Single choice

A system administrator has created a wsadmin script with several steps to install and configure an application and some resources in a WebSphere Application Server process. The script executed but the application was not installed successfully. The administrator suspects that the script has problems.

How can the administrator test and debug the script?

A
In WebSphere Application Server Developer Tools for Eclipse, right click on the script file and select Validate from context menu.
B
Execute the script using the wsadmin with the option -conntype NONE and monitor the
commandAssistanceJythonCommands.log file.
C
Use WebSphere Application Server Developer Tools for Eclipse in the debug perspective connected to the server and execute the script step by step.
D
Run the script using wsadmin with these parameters: -lang jython -javaoption "-Xdebug" and then execute the logViewer command with the option -listInstances

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Correct answerC

Question 5

Single choice

A developer created an enterprise application which contained data source and security role information.
The developer asked a system administrator to install this application to an application server where global security is enabled using the Integrated Solutions Console (ISC). A new data source was configured at the server scope for the use of this application. While load testing the application, the developer noticed that the attributes configured on the new data source were ignored by the application server.

How can the administrator ensure that the attributes configured on the new data source are used by the application server?

A
Create the data source under cell scope instead of server scope.
B
Delete any data source of the same name defined under node, cluster or cell scope.
C
Reinstall the application and clear the Process embedded configuration check box.
D
Correct the component-managed and container-managed authentication aliases set on the data source.

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Correct answerC

Explanation

Process embedded configuration
Specifies whether the embedded configuration should be processed. An embedded configuration consists of files such as resource.xml, variables.xml, and deployment.xml. You can collect WebSphere Application

Server-specific deployment information and store it in the application EAR file. Such an EAR file can then be installed into a WebSphere Application Server configuration, using application management interfaces that are described in the topic, Installing an application through programming. One such application EAR file is an enhanced EAR file, which is created when you export an already installed application. The embedded configuration check box identifies such an enhanced EAR file. By default, the check box for "process embedded configuration" is checked if the application is detected to be an enhanced EAR. The application install options are prepopulated with the information from the embedded configuration whether the check box for "process embedded configuration" is checked or not. Users can overwrite these values during the deployment process.

References:
https://www.ibm.com/support/knowledgecenter/SSAW57_8.0.0/com.ibm.websphere.nd.doc/info/ae/ae/
urun_rapp_installoptions.html

Question 6

Single choice

A system administrator has created a Jython script called globalScript.py.

What should the administrator do to ensure globalScript.py is loaded when the wsadmin shell is used?

A
Compile globalScript.py to a Java class in the bin directory.
B
Invoke wsadmin with the argument -profileName globalScript.py.
C
Modify the configureCustomProperty script to import globalScript.py.
D
Set the script profiles in the wsadmin.properties file to load globalScript.py.

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Correct answerD

Explanation

wsadmin.properties has this entry com.ibm.ws.scripting.profiles where we can add the scripting files to be loaded.

References:
https://www-01.ibm.com/support/knowledgecenter/SSAW57_8.5.5/com.ibm.websphere.nd.doc/ae/rxml_propscript.html

Question 7

Single choice

A system administrator needs to install WebSphere Application Server using response files, so that a silent install can be done. The administrator has ensured that all required prerequisites have already been installed and, has downloaded and expanded the required WebSphere Application Server installation files.

What can the administrator run to install the product?

A
install -options responsefile.xml -silent
B
install -acceptLicense -options responsefile.xml -silent
C
imcl -acceptLicense input responsefile.xml -log logfile.txt
D
IBMIM -acceptLicense -input responsefile.xml -log logfile.txt

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Correct answerC

Explanation

Example of the use of the response files to install the product. imcl.exe -acceptLicense input C:\temp\keyring_response_file.xml
-log C:\temp\keyring_log.xml

Question 8

Single choice

A customer has enabled LTPA as their authentication mechanism and has web resources that are not secured by proper security constraints. A system administrator is required to ensure that all web resources are secured.

How should the administrator accomplish this?

A
Enable "Authenticate when any URI is accessed".
B
Enable "Authenticate only when the URI is protected".Disable "Use available authentication data when an unprotected URI is accessed".
C
Enable "Authenticate only when the URI is protected".Enable "Use available authentication data when an unprotected URI is accessed".
D
Map the application security roles to the configured user registry's groups.

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Correct answerA

Explanation

Authenticate only when the URI is protected
The application server challenges the web client to provide authentication data when the web client accesses a Uniform Resource Identifier (URI) that is protected by a Java Platform, Enterprise Edition (Java EE) role. The authenticated identity is available only when the web client accesses a protected URI.
This option is the default Java EE web authentication behavior that is also available in previous releases of WebSphere?Application Server.

References:
https://www.ibm.com/support/knowledgecenter/SSAW57_8.5.5/com.ibm.websphere.base.doc/ae/
usec_webauth.html

Question 9

Single choice

An application contains a web services client and the application is deployed and running. A system administrator has to add a response timeout to the deployed web services client, so the call fails in a timely fashion.

Which artifact should the administrator use?

A
web.xml
B
was-webservices-sca.xml
C
ibm-webservices-bnd.xml
D
ibm-webservicesclient-bnd.xml

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Correct answerD

Explanation

The ibm-webservicesclient-bnd.xmi deployment descriptor file contains information for the web services run time that is WebSphere?product-specific. This deployment descriptor file is used with Java API for XML-based web services.

References:
https://www.ibm.com/support/knowledgecenter/SSEQTJ_8.5.5/com.ibm.websphere.base.doc/ae/
rwbs_assembpropclient.html

Question 10

Single choice

A system administrator needs to trigger a javacore only when a java,net.SocketTimeoutException is encountered in real time.

What does the administrator have to configure to trigger the javacore dump?

A
Configure the JAVA_DUMP_OPTS environment variable to capture javacore for ANYSIGNAL and all exceptions.
B
Configure an -Xdump:java Generic JVM argument on WebSphere Application Server with the filter for
java.net.SocketTimeoutException.
C
Code wsadmin script to capture javacore and then execute it after the
java.net.SocketTimeoutException has been encountered.
D
Use the log filter in HPEL to monitor for java.net.SocketTimeoutException and then gather a javacore dump from the Integrated Solutions Console (ISC).

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Correct answerB

Explanation

Dump agents are set up during JVM initialization. They enable you to use events occurring within the JVM, such as Garbage Collection, thread start, or JVM termination, to initiate one of four types of dump or to launch an external tool. Default dump agents are set up at JVM initialization.
They are sufficient for most cases, but the use of the -Xdump option on the command line allows more detailed configuration of dump agents. The total set of options and sub-options available under -Xdump is very flexible and there are many examples presented in this chapter to show this flexibility.

Example: To generate system cores:

-Xdump:system:events=user

References:
http://www-01.ibm.com/support/docview.wss?uid=swg21242497

Question 11

Single choice

A system administrator has created a Python script called globalScript. py.

What should the administrator do to ensure globalScript.
py is loaded when the wsadmin shell is used?

A
Compile globalScript.py to a Java class in the bin directory.
B
Invoke wsadmin with the argument-profileName globalScript.py.
C
Modify the configureCustomProperty script to import globalScript. py.
D
Set the script profiles in the wsadmin.properties file to load globalScript .py.

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Correct answerD

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IBM WebSphere Application Server Network Deployment V8.5.5 and Liberty Profile System Administration

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