23 September, 2020

Rebirth C9510-401 Practice Exam For IBM WebSphere Application Server Network Deployment V8.5.5 And Liberty Profile, System Administration Certification

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Total 73 questions Full Exam Access

Question 1

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?

Configure the JAVA_DUMP_OPTS environment variable to capture javacore for ANYSIGNAL and all exceptions.

Configure an –Xdump:java Generic JVM argument on WebSphere Application Server with the filter for java.net.SocketTimeoutException.

Code wsadmin script to capture javacore and then execute it after the java.net.SocketTimeoutException has been encountered.

Use the log filter in HPEL to monitor for java.net.SocketTimeoutException and then gather a javacore dump from the Integrated Solutions Console (ISC).

Question 2

Which one of the following options describes the runtime flow starting from the client browser in a clustered WebSphere Application Server Network Deployment topology?

HTTP server -> job manager -> admin agent -> HTTP server plug-in

Load balancer -> HTTP server -> HTTP server plug-in -> application server

Application server -> node agent -> deployment manager -> load balancer

Deployment manager -> node agent -> HTTP server plug-in -> HTTP server

Question 3

A system administrator needs to set a new Liberty profile environment to support an application.
What should the administrator do to enable this environment for high availability and scalability of the application?

Define multiple server members in one collective controller.

Define multiple servers in a cluster in one collective controller.

Define multiple collective controllers within a Liberty collective.

Define multiple server members in multiple collective controllers.

Question 4

A system administrator has added a server cluster as a member of a service integration bus (SIB). The administrator needs to configure one messaging engine for each server in this cluster and to have a failover location for each messaging engine.
What should the administrator do to achieve the required design?

Configure a new messaging engine in each server to support failover.

Configure the data store for each messaging engine for each server in the cluster.

Select scalability with high availability as the messaging engine policy.

Create a core group policy to restrict each messaging engine to a particular server.

Question 5

Which of the following comprises an initial Liberty profile server process?

A single JVM, the Liberty kernel, and feature manager.

A single JVM, and OSGI framework and an object request broker.

an OSGI framework, a web container and an EJB container.

AN administrative agent, the Liberty kernel and shared libraries.

Question 6

The application placement controller has been configured with elasticity mode enabled. Intermittently, all instances of a dynamic cluster are removed. After further review, the system administrator noticed that it occurs during peak load on another dynamic cluster.
The administrator wants to keep at least one instance available. Which configuration is needed in the dynamic clusters?

Enable application lazy start with elasticity mode.

Set the proactiveIdleStop custom property to true.

Set the Number of instances to a value greater than zero.

Disable the option “If other dynamic clusters need resources, stop all instances of this cluster during periods of inactivity”.

Question 7

A system administrator has configured a network deployment cell containing multiple nodes and global security enabled with an LDAP repository. To increase capacity, the administrator needs to add additional nodes to the cell. After adding the nodes by using both scripts and the Integrated Solutions Console (ISC), the administrator examines the System.out log for the deployment manager and notices the following message:
C9510-401 dumps exhibit

How can the administrator resolve this problem?

Disable Java 2 security.

Restart the deployment manager.

Increase the RSA token timeout value.

Change the number of active LTPA keys.

Question 8

A system administrator has created a Jython script that will run in WebSphere Network cell where administrative security is enabled. This script is named doUpdate.py and will be run by using the following:
wsadmin –connType RMI –f doUpdate.py
How can the administrator suppress a user/password prompt from appearing when this script is run?
Set the user and password in the:

sas.client.props file.

ssl.client.props file.

soap.client.props file.

wsadmin.properties file.

Question 9

A system administrator wants to learn some of the Python scripting commands for the administration of the environment.
Which product feature should the administrator use?

The wsadmin.properties file to load a profile.

The AdminTask object to generate wsadmin scripts.

The guided activities panel from the Integrated Solutions Console (ISC).

The "Log command assistance commands" option in the Integrated Solutions Console (ISC).

Question 10

A system administrator decides to use the advice from the Performance and Diagnostic Advisor to identify the optimum connection pool settings for data sources. In a cell, the data source db2datasource is defined under node scope and used by two servers from that node. The administrator receives two different sets of advice for db2datasource.
How should the administrator configure the data sources before reusing the Performance and Diagnostic Advisor?

Create a data source of the same name under cell scope.

Create a data source of the same name under server scope for each server.

Increase the minimum connection pool size for the data source.

Decrease the maximum connection pool size for the data source.

Question 11

A system administrator needs to create a cell for a test environment. The administrator uses the Profile Management Tool (PMT) to create the deployment manager profile using the advanced profile creation option and creates a custom profile using the typical profile creation option. The administrator examines the log files for the custom profile creation and sees an INSTCONFFAIL message indicating the deployment manager was not running during the custom profile creation.
How should the administrator fix this?

Delete the custom profile.Start the deployment manager.Create the custom profile again.

Start the deployment manager.Use PMT to re-create the custom profile.

Use the syncNode command to synchronize the node.

Run the addNode command to federate the custom profile.

Question 12

Configure a new messaging engine in each server to support failover.

Configure the data store for each messaging engine for each server in the cluster.

Select scalability with high availability as the messaging engine policy.

Create a core group policy to restrict each messaging engine to a particular server.

Question 13

The computer where a federated node was running had a failure and cannot be recovered. A system administrator wants to recreate the node with the same configurations in another computer.
Which steps should the administrator execute in order to recover the damaged node?

Configure the new computer with a different hostname.Create a custom profile with the same name.Federate to the cell using the command addNode with the default options.

Configure the new computer with a different hostname.Create a custom profile with a different name.Federate to the cell using the command addNote with the option–asExistingNode.

Configure the new computer with the same hostname.Create a custom profile with the same name.Federate to the cell using the command addNote with the option–asExistingNode.

Configure the new computer with the same hostname.Create a custom profile with the same name.Federate to the cell using the command addNote with the options–includeapps.

Question 14

A system administrator is configuring the security of a new environment. The administrator has been asked to configure one LDAP server that has different sub-trees for business users and administration users.
What should the administrator do to implement the required security configuration?

Install and configure a TAI (Trust Association Interceptor)

Configure a security domain for the stand-alone LDAP server.

Use Federated repositories and configure the supported entity types.

Use Stand-alone custom registry and configure the flat file implementation.

Question 15

A system administrator has installed WebSphere Application Server Network Deployment V8.5.5 using the silent installation process and needs the verify that the installation completed successfully.
What does the administrator need to do to verify a successful installation?

Launch the Installation Manager GUI, verify the installation by going to File -> View Installed Packages.

Run the command IBMIM listInstalledPackages and check that the appropriate WebSphere Application Server package is listed.

Check for INSTCONFSUCCESS message at the end of the <WebSphere Application Server install directory><log directory>log.txt file.

Use the installver command to compare the checksum of the product file to the correct checksum value in the bill-of-materials file and make sure that the checksums match.

Question 16

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?

Configure the CSIv2 outbound communications under RMI/IIOP security.

Configure the file-based repository and create the fileRegistry.xml file.

Enable Java 2 security and configure the app.policy and was.policy files.

Use the AdminTask deleteAuthorizationGroup to remove application access.

Question 17

The administrator needs to identify any security role references and security constraints in a web application.
How can the administrator identify these roles and constraints?

ibm-application-ext.xml file using a text editor.

ibmconfig folder in the application after using the EARExpander command.

Web deployment descriptor using IBM Assembly and Deploy Tools.

Security role to user/group mapping by using the Integrated Solutions Console (ISC).

Question 18

A system administrator has created a Python script that will run in WebSphere Network cell where administrative security is enabled. This script is named doUpdate.py and will be run by using the following:
wsadmin -connType RMI -f doUpdate.py
How can the administrator suppress a user/password prompt from appearing when this script is run?
Set the user and password in the:

sas.client.props file.

ssl.client.props file.

soap.client.props file.

wsadmin.properties file.

Question 19

A newly deployed application has authorization errors when invoking EJB methods from a servlet. An additional review indicates that users are authenticated, but do not have the correct authorization.
How can a system administrator fix the issue ensuring only authorized access?

Using the Integrated Solutions Console (ISC), map all security roles to the special subject Everyone.

Using the Integrated Solutions Console (ISC), map the security roles that are still not mapped to groups in the correct user registry.

Edit the application using an assembly tool to add a security constraint for the servlet and reinstall the application.

Edit the application using an assembly tool to remove the security constraint defined for the servlet and reinstall the application.

Question 20

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?

Enable “Authenticate when any URI is accessed”.

Enable “Authenticate only when the URI is protected”.Disable “Use available authentication data when an unprotected URI is accessed”.

Enable “Authenticate only when the URI is protected”.Enable “Use available authentication data when an unprotected URI is accessed”.

Map the application security roles to the configured user registry’s groups.

Question 21

A JAX-WS EJB stateless session bean web service needs to be accessed by consumers outside the corporate domain.
Which configuration will help a system administrator meet the requirement?

Open firewall ports for both bootstrap and orb listener ports within the cell.

Configure plug-in in the DMZ to send request to the cluster members.

Configure on demand router (ODR) in the DMZ to send requests to the cluster members.

Configure HTTP tunneling to send the client-side Object Request Broker (ORB) request to the server-side ORB.

Question 22

A system administrator ran the backup Config command to backup the configuration using the -nostop option. The administrator changed the properties for the service integration environment by modifying the sib.properties file. During testing the administrator noticed Service Integration Bus related errors and wanted to restore the service integration environment. The administrator used the restore config command, but the tuning properties for the service integration environment were not restored.
How can the administrator prevent this issue?

Use full repository checkpoints for both the backup and the restore.

Use the restore config command with -nostop for the restore.

Use the manage profiles command for both the backup and the restore.

Use the backup config command without -nostop for the backup Use the restore config command without -nostop for the restore.

Question 23

The installation of WebSphere Application Server did not complete successfully, and a system administrator needs to troubleshoot the installation.
What can the administrator do to identify the cause of the installation failure?

Run the installver command with the appropriate command line options.

Check the files under the Agent data location of IBM Installation Manager.

Check the files under the logs directory of IBM Installation Manager installation directory.

Check the log.txt under <WebSphere Application Server install directory><logdirectory>.

Question 24

A system administrator has created a cluster containing two servers in a same node. The administrator did not select the option Generate unique HTTP ports during the creation of the cluster members. After the cluster creation, the administrator changed the HTTP port of the second cluster member to 9081.
Testing the servers using the snoop servlet directly to the server’s HTTP port, the administrator got the following error message for the second server:
C9510-401 dumps exhibit

How can the administrator fix this problem?

Regenerate and propagate the HTTP plug-in.

Add the port 9081 to the default_host alias.

Create a new virtual host alias at the cell level for the port 9081.

Edit the server.xml for the second server and add the port 9081.

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Total 73 questions Full Exam Access