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When adding a repository to a federated repository configuration, which type of repository can be added only using wsadmin commands?

  • A. File repository
  • B. LDAP repository
  • C. SAML repository
  • D. Database repository

Answer: D

Federated repositories
Supports multiple types ofrepositories such as file-based, LDAP, database, and custom. In WebSphere Application Server Version 8.5, file-based and LDAP repositories are supported by the administrative console. For database and custom repositories, you can use the wsadmin command-line interface or the configuration application programming interfaces (API).
References: doc/ae/cwim_fedrepos.html

An administrator noticed that one of the servers in the core group is experiencing OutOfMemory. As a result, other servers in the core group failed to start.
What core group custom property should the administrator tune to prevent the affected server from impacting other servers in the core group?


Answer: A

Use this custom property to explicitly enable exception handlers that are specific for OutOfMemoryExceptions that occur when sending or receiving network messages. When this property is set to Isolate, if an OutOfMemoryException occurs when a network message is being sent or received, these exception handlers stop High Availability Manager communications to the Out of Memory process.
If IBM_CS_OOM_ACTION=Isolate is not added to the configuration settings for a core group, if a core group process runs out of memory, the Out of memory process might not
be able to respond to all messages. This situation prevents multi-step protocols from completing, and prevents the starting server from receiving its initial view of the distributed state.

An administrator would like to uninstall an instance of a multiple instance installation via response file.
How does the administrator ensure that the correct instance is uninstalled?

  • A. All the features must be listed.
  • B. The profile ID must point to the correct instance.
  • C. The offering IDmust point to the correct instance.
  • D. The repository location must point to the correct instance.

Answer: D


Which of the following is true about certificate expiration monitoring?

  • A. Must be runmanually.
  • B. Must be run on the deployment manager.
  • C. Deletes the certificates after they are expired, but does not replace them.
  • D. Can replace expired certificates or certificates in the expiration threshold with a new certificate

Answer: D

Certificatemonitor configuration settings can be configured on the administrative console by selecting Security > SSL certificate and key management > Manage certificate expiration. . On the Manage certificate expiration panel, you can perform the following functions.

Through what protocol can a Java client directly access EJBs running on an application server?

  • A. JDBC

Answer: D

Provided that it uses the correct protocols (SOAP, HTTP, WSDL), any web service client can access a stateless session bean, whether ornot the client is written in the Java programming language. The client doesn’t even “know” what technology implements the service: stateless session bean, JAX-WS, or some other technology. In addition, enterprise beans and web components can be clients ofweb services. This flexibility enables you to integrate Java EE applications with web services.

Which statement describes the functionality of web containers?

  • A. Web containers forward EJB requests to the EJB container.
  • B. Web containers process JSPs, servlets, and various server-side objects.
  • C. Servlets requests are forwarded from an EJB container to a web container.
  • D. Each application server cancontain multiple web containers, depending upon the number of JSPs and servlets.

Answer: B

The runtime environment for Web components is called the Web container.. It processes servlets, JSP files, and other types of server-side components.

Which of the following can be queried to get PMI data?

  • A. Server Cell
  • B. JMX Connectors
  • C. MBean ObjectNames
  • D. Application ServerNames

Answer: C

PMI data can be gathered from the J2EE managed object MBeans or the WebSphere Application Server PMI Perf MBean.

In an IBM WebSphere Application Server cluster, an administrator notices EJB requests are not evenly distributed on the cluster members during the load test.
What two things can the administrator verify in order to identify and resolve the issue? (Select two.)

  • A. Ensure Dynamic Workload Management is enabled.
  • B. Ensure host scoped routing optimization is enabled.
  • C. Ensure PMI Workload Management counters are enabled.
  • D. Ensure each server in the cluster has an equal weighted value.
  • E. Ensure the Web server plug-in is using the round robin algorithm.

Answer: AD

A: Workload management optimizes the distribution of client processing tasks. Incoming work requests are distributed to the application servers, enterprise beans, servlets, and other objects that can most effectively process the requests.
D: The server weighted round robin routing policy ensures a balanced routing distribution based on the set of server weights that have been assigned to the members of a cluster. For example, if all servers in the cluster have the same weight, the expected distribution for the cluster is that all servers receive the same number of requests. If the weights for the servers are not equal, the distribution mechanism sends more requests to the higher weight value servers than the lower weight value servers. The policy ensures the distribution that you want, based on the weights that are assigned to the cluster members.

Which tool can be used to collect data to be used for monitoring and tuning the environment?

  • A. Thread and Monitor Dump Analyzer
  • B. Performance Monitoring Infrastructure
  • C. IBM Tivoli Performance Viewer Advisor
  • D. Garbage Collection and Memory Visualizer

Answer: B

WebSphere Application Server provides Performance Monitoring Infrastructure (PMI) data to help monitor the overall healthof the WebSphere Application Server environment. PMI provides average statistics on WebSphere Application Server resources, application resources, and system metrics. Many statistics are available in WebSphere Application Server, and you might want to understand the ones that most directly measure your site's resources to detect problems.

An administrator has deployed an application that uses 30 unique SQL statements with a maximum data source connection pool size of 10.
What is the recommended prepared statement cache size for the application?

  • A. 10
  • B. 30
  • C. 40
  • D. 300

Answer: B

To determine the highest value for your cache size to avoid any cache discards, add the number of uniquely prepared statements and callable statements, as determined by the SQL string, concurrency, and the scroll type, for each application that uses this data source on a particular server. This value is the maximum number of possible statements that can be cached on a given connection over the life of the server. Setting the cache size to this value means that you never have cache discards. In general, configure a larger cache for applications with a greater number of statements.

What is one of the benefits of using a federated repository over a user registry?

  • A. Does notsupport identity profiles
  • B. Supports only one registry in a realm
  • C. Supports multiple registries within a realm
  • D. Provides account and password policy support

Answer: C

Federated repositories enable you to use multiple repositories with WebSphere® Application Server. These repositories, which can be file-based repositories, LDAP repositories, or a sub-tree of an LDAP repository, are defined and theoretically combined under a single realm. All of the user repositories that are configured under the federated repository functionality are invisible to WebSphere Application Server.

When installing IBM WebSphere Application Server on a network file system, IBM Installation Manager fails with an insufficient disk space error.
How could this be resolved?

  • A. Increase disk space and try again.
  • B. Delete temporary files and try again.
  • C. Reboot operating system and try again.
  • D. Disable disk space checking inthe config.ini and try again.

Answer: D

On some network file systems, disk space might not be reported correctly at times; and you
might need to bypass disk-space checking and proceed with your installation.
To disable disk-space checking, specify the following system property in the config.ini file in IM_install_root/eclipse/configuration and restart Installation Manager.

Which is true about software repositories for IBM Installation Manager?

  • A. Repositories must be local.
  • B. Repositories must be online.
  • C. Repositories can be either local or online.
  • D. Repositories are only in the media package.

Answer: C

IBM Installation Manager is a single installation program that can use remote or local software repositories to install,modify, or update certain IBM products. It determines and shows available packages, checks prerequisites and interdependencies, and installs or modifies the selected packages. You also use IBM Installation Manager to uninstall the packages that it installed.

Which of the following is a prerequisite for configuring single sign-on for authentication using LTPA cookies?

  • A. All server must use the same IBM HTTP Server.
  • B. All servers must be configured as part of the same DNS domain.
  • C. All servers must use an IBM Domino Directory thatis configured for LDAP access.
  • D. All servers must be managed by the same IBM WebSphere Application Server Deployment Manager.

Answer: B

To take advantage of support for SSO between WebSphere Application Servers or between WebSphere Application Server and a Domino server, applications must meet the following prerequisites and conditions:
*Verify that all servers are configured as part of the same DNS domain.
* Etc.

An administrator notices that the Message Driven Beans (MDBs) are slow to complete, and decides to increase the ‘Maximum concurrent MDB invocations per endpoint’.
Which thread pool should be tuned to ensure it can run the maximum number of MDBs without waiting?

  • A. Default
  • B. WebContainer
  • C. SIBJMSRAThreadPool
  • D. WMQJCAResourceAdapter

Answer: D

The thread pool WMQJCAResourceAdapter is referenced by the WebSphere MQ (WMQ) resource adapter inbound delivery to MDB's. When WebSphere MQ resource adapter is used in conjunction with the activation specs, the resource adapter's Work Manager uses the values defined for the WMQJCAResourceAdapter for utilizing the total number of threads defined.
Ideally the default values provides for the WMQJCAResourceAdapter will be sufficient for the resource adapter. But in case there is an heavy load on the system processing huge
number of messages, you can increase the maximum number of threads the thread pool can hold.

Which of the following is required for Secure Sockets Layer (SSL) enablement within an HTTP server?

  • A. AJDK
  • B. A valid, issued certificate
  • C. IPv6 (Internet Protocol Version 6)
  • D. Updating thehttps.conffile and not thehttpd.conffile

Answer: B

The iKeyman GUI, which is included within the IBM HTTP Server distribution, can be used to create a key database file (for example: key.kdb) needed to store personal server certificates required by the client browser during an SSL handshake.

Which of the following is true regarding disk offload?

  • A. The amount of disk space to use cannot be specified.
  • B. On server startup, DynaCache loads the entire disk cache into memory.
  • C. The number of cache entries that are offloaded to disk cannot be specified.
  • D. Disk offload can be enabled to have a cache entry copied to the file system at a configurable location.

Answer: ACD

AC:Before you enable disk offload, consider the following:
You cannot specify the number of cache entries that are offloaded to disk. You cannot specify the amount of disk space touse.
D: You can enable disk offload to have a cache entry copied to the file system (the location is configurable).

What is one way to determine if administrative security for IBM WebSphere Application Server is disabled when logging into the Integrated Solutions Console?

  • A. A user is not forced to use HTTPS (SSL).
  • B. An administrator is allowed to type any random password.
  • C. An administrator is prompted for user name, but not password.
  • D. When the username wasadmin is used to log in, the password used is the default “password”.

Answer: C

Congratulations! You have successfully manually disabled Global Security for your IBM WebSphere Application Server instance. You should now be able to access the WAS Integrated Solutions Console (ISC) without having to specify a password.

What does the following JVM argument do?

  • A. It changes the default values for verbosegc logging.
  • B. It changes the default location of the verbosegc logging.
  • C. It configured verbosegc logging once it has already been enabled.
  • D. It sets the default value for enabling and configuring verbosegc logging.

Answer: B

-Xverbosegclog[: <file> [,<X>,<Y>]]
Causes -verbose:gc output to be written to the specified file.
If it cannot create the file (for example, if an invalid filename is passed into the command), it will redirect the output to stderr.
If you specify <X>and <Y> the -verbose:gc output is redirected to <X> files, each containing <Y> GC cycles.
The dump agent tokens can be used in the filename. See Dump agent tokens for more information. If you do not specify <file>, verbosegc.%Y%m%d.%H%M%S.%pid.txt is used. example: -Xverbosegclog:newgclogname.log,7,10000

An administrator configures an IBM DB2data source at cell scope. The environment variable DB2UNIVERSAL_JDBC_DRIVER_PATH is configured at cluster scope. The data source test connection on one node succeeds, but fails on the other node with
Which of the below is the likely cause for the exception?

  • A. The data source is configured at cell scope.
  • B. Multiple driver JARs are installed on the second node.
  • C. DB2UNIVERSAL_JDBC_DRIVER_PATH is configured at cluster scope.
  • D. A different version of the JDBC driver JAR does not exist on the second node.

Answer: C

Check that the variable is correctly defined at the scope where the JDBCProvider/DataSource is defined.
Note: At runtime, WebSphere Application Server invokes a physical data source by resolving the appropriate variable at a level where one of thefollowing criteria exists: The scope of the variable can contain the data source configuration; that is, the variable has the larger scope.
The variable and the data source have identical scopes.
Application Server meets these conditions by attempting to resolve the variable at each level of the scope spectrum. That is, the product tries to resolve the variable in the server scope, then the cluster scope, then the node scope, and lastly the cell scope.

When installing a new application to IBM WebSphere Application Server, which location is valid for the application file?

  • A. Client Machine
  • B. Managed Node
  • C. Unmanaged Node
  • D. Remote Web Server

Answer: B

Configuration file location during application installation
Several things occur upon installation of an application onto WebSphere Application Server:
Note: A node is a logical grouping of managed servers. Nodes can be managed or unmanaged. An unmanaged node does not have a node agent or administrative agent to manage its servers, whereas a managed node does. Both application servers and supported web servers can be on unmanaged or managed nodes.
References: WebSphere Application Server V8.5, July 2013, page 17

Which two methods are used for communicating session linkages between the client and the server? (Select two.)

  • A. Cookies
  • B. LTPA Token
  • C. Rest Services
  • D. URL Rewriting
  • E. HTTP Response codes

Answer: CE

Representational State Transfer (REST) is a lightweight framework for designing
applications that use HTTP to make calls. REST uses HTTP to perform the Create, Read, Update, and Delete (CRUD) operations between client and server. Applications interactwith the services by using HTTP, POST, PUT, GET, and DELETE operations.

Which is true when an administrator properly updates a single file within an application?

  • A. The administrator can use apartial application update.
  • B. The administrator must redeploy the full application file.
  • C. The administrator can manually update the file on the file system.
  • D. The administrator must uninstall the application, and then, reinstall with the updated application file.

Answer: C

Which type of profile provides management capabilities for multiple stand-alone application

  • A. Custom
  • B. Secure Proxy
  • C. Administrative agent
  • D. Deployment manager

Answer: C

You can use the following different configurations of the application server to combine the plug-in configuration files of multiple application server profiles into a single output file:
* Using multiple stand-alone base application server profiles with an administrative agent using the job manager. The job manager function is a part of WebSphere Application Server Network Deployment. However, you can use the job manager function with stand- alone, base application server profiles. Usethis topic to complete this configuration.

What can an administrator use to remotely manage multiple stand-alone (unfederated) application servers?

  • A. Job Manager
  • B. Administrative agent
  • C. Deployment manager
  • D. remoteServer.jaclscript

Answer: A

Administering nodes remotely using the job manager
In a flexible management environment, you can asynchronouslysubmit and administer jobs for large numbers of stand-alone application servers, deployment managers, and host computers over a geographically dispersed area. At the remote machines, you can use jobs to manage applications, modify the product configuration, or do general purpose tasks such as run a script.


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