IBM Websphere Application Serve: Trivia Quiz

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IBM Websphere Application Serve: Trivia Quiz - Quiz

What Do You Know About IBM Websphere Application Server? This application allows developers to create other applications within an already existing application. The server uses the java programming language. By taking this quiz, you will get not only to test yourself regarding WAS, but you will also get to learn more about the sever. How about you give it a shot!


Questions and Answers
  • 1. 

    What is the profile?

    • A.

      Directory for deployment manager

    • B.

      Profiles are a set of user files that represent a WAS configuration

    • C.

      It’s a home directory for Application Server

    • D.

      Profile and node are the same thing

    Correct Answer
    B. Profiles are a set of user files that represent a WAS configuration
    Explanation
    Profiles in this context refer to a set of user files that represent a WebSphere Application Server (WAS) configuration. These files contain information such as server settings, application deployments, security configurations, and other customizations specific to a particular WAS instance. Each profile represents a distinct configuration and can be used to manage and deploy applications within the WAS environment. The profile directory serves as a centralized location for storing and accessing these configuration files. It is important to note that profiles and nodes are not the same thing, as a node represents a physical or virtual machine that hosts one or more profiles.

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  • 2. 

    What is a node?

    • A.

      Logical group of WAS instances or JVM’s

    • B.

      A logical group of physical servers having WAS installed

    • C.

      It’s a cell with servers

    • D.

      It’s a deployment manager with servers.

    Correct Answer
    A. Logical group of WAS instances or JVM’s
    Explanation
    A node refers to a logical group of WAS instances or JVM's. This means that multiple instances or JVM's are grouped together under a single node, allowing for easier management and control. It is important to have nodes in order to effectively manage and deploy applications in a WAS environment.

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  • 3. 

    Which of the following events will cause the HTTP plug-in configuration file to be regenerated?

    • A.

      Whenever an application server is restarted.

    • B.

      When a new data source is created or an existing data source is modified

    • C.

      Whenever a Web server is restarted.

    • D.

      When a new virtual host is created or an existing virtual host is modified.

    Correct Answer
    D. When a new virtual host is created or an existing virtual host is modified.
    Explanation
    Whenever a new virtual host is created or an existing virtual host is modified, the HTTP plug-in configuration file needs to be regenerated. This is because the virtual host configuration affects how the HTTP plug-in handles incoming requests and routes them to the appropriate application server. By regenerating the configuration file, the changes made to the virtual host settings are reflected in the HTTP plug-in's behavior, ensuring that the requests are properly routed.

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  • 4. 

    How to hit the application without hitting the webserver?

    • A.

      Through bootstrap port number

    • B.

      Default host port on application server

    • C.

      Through 9060 port no.

    • D.

      Creating a virtual host on app server and accessing using the defined port

    Correct Answer
    B. Default host port on application server
    Explanation
    The default host port on the application server refers to the port number that is used to access the application without directly hitting the web server. By accessing the application through this default host port, the user can bypass the web server and directly interact with the application.

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  • 5. 

    What is a managed node?

    • A.

      It’s a deployment manager node.

    • B.

      Node with Node Agent.

    • C.

      It’s an application server that manages configuration

    • D.

      A node that is part of a cell

    Correct Answer
    B. Node with Node Agent.
    Explanation
    A managed node refers to a node that has a Node Agent installed on it. The Node Agent is responsible for managing the configuration and administration of the application server running on that node. This allows for centralized control and management of the node within a larger system or network.

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  • 6. 

    When can you enable global security?

    • A.

      Global security can be set up while installing the application server.

    • B.

      After installation by making changes in the deployment manager.

    • C.

      Both the above

    • D.

      None of the above.

    Correct Answer
    C. Both the above
    Explanation
    Global security can be enabled in two ways. Firstly, it can be set up during the installation of the application server. This means that during the initial setup process, the option to enable global security can be selected. Secondly, global security can also be enabled after the installation by making changes in the deployment manager. This means that even if global security was not initially enabled, it can still be enabled later by modifying the deployment manager settings. Therefore, the correct answer is that global security can be enabled both during installation and after installation by making changes in the deployment manager.

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  • 7. 

    To enable administrative security, its is necessary to:

    • A.

      Enable java 2 security

    • B.

      Creating a security repository.

    • C.

      Both the above

    • D.

      None of the above

    Correct Answer
    B. Creating a security repository.
    Explanation
    Enabling administrative security requires creating a security repository. This repository is used to store and manage security-related information such as user credentials, roles, and permissions. By creating a security repository, administrators can establish a secure environment where access to resources and functionality is controlled and restricted based on defined security policies. Enabling Java 2 security alone may enhance the security of the Java runtime environment, but it does not specifically address administrative security requirements. Therefore, the correct answer is creating a security repository.

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  • 8. 

    You have added a new virtual host to the WAS, but still, you are not able to access the new application from a web server, what can be the issue?

    • A.

      You did not restart the application server machine.

    • B.

      You did not generate plug-in.

    • C.

      You did not generate and propagate plug-ins.

    • D.

      You did not restart the Web Server after propagating the new plug-in.

    Correct Answer
    D. You did not restart the Web Server after propagating the new plug-in.
    Explanation
    The issue could be that the Web Server was not restarted after propagating the new plug-in. Restarting the Web Server is necessary for it to recognize and apply the changes made to the virtual host and allow access to the new application.

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  • 9. 

    How do you federate a node to the cell?

    • A.

      Using the add node command from dmgr machine

    • B.

      Using the federated node command from node machine

    • C.

      Using federate node command from dmgr machine

    • D.

      Using the add node command from node machine

    Correct Answer
    D. Using the add node command from node machine
    Explanation
    To federate a node to the cell, the correct method is to use the "add node" command from the node machine. This command allows the node to be added and integrated into the cell, enabling it to participate in the cell's management and communication processes. Using the add node command from the dmgr machine or the federate node command from the dmgr machine would not be the correct approach.

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  • 10. 

    What is the default user registry, if you enable Global Security at the time of installation?

    • A.

      LDAP Repository

    • B.

      Local OS

    • C.

      Custom

    • D.

      Federated

    Correct Answer
    D. Federated
    Explanation
    If Global Security is enabled at the time of installation, the default user registry is the Federated registry. This means that the user registry will be managed by a federated repository, which allows for authentication and authorization to be handled by multiple repositories. This allows for greater flexibility and scalability in managing user accounts and permissions.

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  • 11. 

    Which log did files give runtime information on WebSphere JVM?

    • A.

      Console.log, activity.log

    • B.

      SystemOut.log, SystemError.log.

    • C.

      Trace.log

    • D.

      StartServer.log, stopServer.log, serverstatus.log

    Correct Answer
    B. SystemOut.log, SystemError.log.
    Explanation
    The correct answer is SystemOut.log, SystemError.log. These logs provide runtime information on WebSphere JVM. SystemOut.log contains standard output messages from the server, while SystemError.log contains error messages and exceptions. These logs are useful for troubleshooting and monitoring the application's runtime behavior.

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  • 12. 

    Which one of the following is true about the WebSphere Application server cluster?

    • A.

      Two application servers in a cluster can have different applications.

    • B.

      Two application servers in a cluster should necessarily be a part of one node group.

    • C.

      Two application servers in a cluster can be a part of multiple node groups.

    • D.

      A cluster can be created by using two or more existing servers in a cell.

    Correct Answer
    C. Two application servers in a cluster can be a part of multiple node groups.
    Explanation
    In a WebSphere Application server cluster, two application servers can be a part of multiple node groups. This means that each application server can belong to more than one node group within the cluster. This allows for greater flexibility and scalability in managing the cluster, as different node groups can have different configurations and settings. It also enables better load balancing and fault tolerance by distributing the workload across multiple node groups within the cluster.

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  • 13. 

     What is a master repository?

    • A.

      It is the master server process which controls the configuration of all the nodes

    • B.

      These are the configuration files stored on Dmgr and synced to nodes on regular intervals

    • C.

      It’s a configuration file contained in a standalone application server

    • D.

      None of the above

    Correct Answer
    B. These are the configuration files stored on Dmgr and synced to nodes on regular intervals
    Explanation
    A master repository refers to the configuration files that are stored on the Deployment Manager (Dmgr) and regularly synchronized with the nodes. This allows for centralized control and management of the configuration settings for all the nodes in the system.

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  • 14. 

     Which among the below is not a type of profile in WAS 6?

    • A.

      Deployment manager profile

    • B.

      Application server profile

    • C.

      Custom profile

    • D.

      Cell profile

    Correct Answer
    D. Cell profile
    Explanation
    A cell profile is not a type of profile in WAS 6. In WebSphere Application Server (WAS) 6, there are several types of profiles that can be created, such as deployment manager profile, application server profile, and custom profile. However, a cell profile is not one of the available options. A cell profile refers to a grouping of nodes within a WebSphere cell, rather than a specific profile type.

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  • 15. 

    What is not true about WebSphere V6 Packages?

    • A.

      WebSphere V6 comes in three packages.

    • B.

      Only the WebSphere ND package can be used for clustering.

    • C.

      Only the WebSphere ND package comes with a WebServer and built in plug-in.

    • D.

      WebSphere Express v6 comes with a Rational Developer suite.

    Correct Answer
    C. Only the WebSphere ND package comes with a WebServer and built in plug-in.
    Explanation
    The statement "Only the WebSphere ND package comes with a WebServer and built in plug-in" is not true.

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  • 16. 

    How do you administer a WebServer from WebSphere Admin Console?

    • A.

      Write a script to monitor WebServer activities on the remote system.

    • B.

      Create a WebServer Definition and add node as managed/unmanaged node

    • C.

      Deployment manager automatically manages WebServer

    • D.

      There is no feature like this available

    Correct Answer
    B. Create a WebServer Definition and add node as managed/unmanaged node
    Explanation
    To administer a WebServer from WebSphere Admin Console, you need to create a WebServer Definition and add the node as a managed or unmanaged node. This allows the admin console to recognize and manage the WebServer. By doing this, you can monitor and control the activities of the WebServer remotely. The deployment manager does not automatically manage the WebServer, and there is no feature available that allows you to write a script to monitor WebServer activities on the remote system.

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  • 17. 

    What is the name of the configuration file responsible for communication between WAS and WebServer?

    • A.

      A. Webserver.xml

    • B.

      B. Plugin-cfg.xml

    • C.

      C. repository.xml

    • D.

      D. none of the above.

    Correct Answer
    B. B. Plugin-cfg.xml
    Explanation
    The correct answer is b. Plugin-cfg.xml. This configuration file is responsible for communication between WebSphere Application Server (WAS) and the Web Server. It contains the necessary information for the Web Server plug-in to route requests from the Web Server to the appropriate application server in the WebSphere cluster.

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  • 18. 

    What is a web container?

    • A.

      A Web container, processes HTTP requests, servlets, and JSPs

    • B.

      A Web Container, processes HTTP, Servlet, JSPs and EJB beans

    • C.

      A web container can be used to serve standalone application clients

    • D.

      None of the above.

    Correct Answer
    A. A Web container, processes HTTP requests, servlets, and JSPs
    Explanation
    A web container is responsible for processing HTTP requests, servlets, and JSPs. It acts as a runtime environment for web applications, providing the necessary infrastructure to execute servlets and JSPs. It handles the lifecycle of these components, managing their initialization, execution, and destruction. Additionally, it manages the communication between the web server and the web application, ensuring that HTTP requests are properly processed and responses are generated. Therefore, the correct answer is that a web container processes HTTP requests, servlets, and JSPs.

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  • 19. 

    Which one of the following profile-related tasks can only be performed using the manage profiles command-line facility?

    • A.

      Delete a profile

    • B.

      Secure a profile

    • C.

      Federate a profile

    • D.

      Update profile templates

    Correct Answer
    A. Delete a profile
    Explanation
    The correct answer is "Delete a profile." This task can only be performed using the manage profiles command-line facility. The manage profiles command-line facility provides the necessary tools and commands to delete a profile from the system. This command-line facility allows administrators to perform various profile-related tasks, but deleting a profile is specifically limited to this facility.

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  • 20. 

    A WebSphere Application Server installation finishes and the primary installation log indicates an exit code of INSTCONFSUCCESS. What is the best conclusion that can be resolved from this result?

    • A.

      The Web server installed successfully

    • B.

      The WebSphere Application Server installed successfully

    • C.

      The InstallShield Wizard executed successfully to launch WebSphere Application Server installation.

    • D.

      The target operating system determined that it is compatible with WebSphere Application Server and had configured environment variables for it.

    Correct Answer
    B. The WebSphere Application Server installed successfully
    Explanation
    The best conclusion that can be resolved from the result of the primary installation log indicating an exit code of INSTCONFSUCCESS is that the WebSphere Application Server installed successfully.

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  • 21. 

    In order to verify that a server has started successfully and all of its components have initialized without throwing any exceptions, what steps should an administrator perform?

    • A.

      Use the Log Analyzer to view the servers activity.log file

    • B.

      View the servers startServer.log and native_stdout.log files.

    • C.

      Examine the SystemOut.log file for the current server process.

    • D.

      Log in to the administrative console and examine the runtime messages.

    Correct Answer
    C. Examine the SystemOut.log file for the current server process.
    Explanation
    To verify that a server has started successfully and all of its components have initialized without throwing any exceptions, an administrator should examine the SystemOut.log file for the current server process. This log file contains runtime messages and provides information about the server's activity, including any errors or exceptions that may have occurred during startup. By analyzing this log file, the administrator can ensure that the server has started and initialized properly.

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  • 22. 

    A federated cell has two nodes, Node01 and NodeO2.Node01 has servers A, B, C, and D. A developer has deployed two versions of the same application, one on server A and Server D and another on servers B and C. The developer wants to use different databases for each version of the application. Identify which one of the following is the most direct way to achieve this

    • A.

      Create an XML file for each database configuration and ask the developer to use this XML to connect to DB.

    • B.

      This kind of configuration is not possible

    • C.

      Create two datasources and JNDI with same name but different scope one for each application

    • D.

      Create two data sources and JNDi names with different name and direct application code to use the respective resource.

    Correct Answer
    C. Create two datasources and JNDI with same name but different scope one for each application
    Explanation
    By creating two datasources and JNDI with the same name but different scope for each application, the developer can achieve the goal of using different databases for each version of the application. This allows the application code to connect to the respective resource based on the JNDI name and ensures that each version of the application uses its own designated database.

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  • 23. 

    The application accesses an external resource using a J2C adaptor. The security credential for external resource authentication has changed. Which one of the following should be updated?

    • A.

      J2C authentication data

    • B.

      Key stores and certificates

    • C.

      Web security trust association.

    • D.

      JAAS login module in WebSphere.

    Correct Answer
    A. J2C authentication data
    Explanation
    The correct answer is J2C authentication data. When the security credential for external resource authentication changes, the J2C authentication data should be updated. J2C authentication data is used to configure and manage the authentication credentials for Java 2 Connector (J2C) resource adapters in WebSphere Application Server. By updating the J2C authentication data, the application will be able to access the external resource with the new security credentials.

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  • 24. 

    A company maintains several different LDAP directory servers to contain a registry of user IDs and passwords. How can an administrator make all of the user IDs and passwords in these directories available to WebSphere security?

    • A.

      Configure the LDAP directory servers as generic servers.

    • B.

      Configure a federated repository including all of the LDAP directory servers.

    • C.

      Configure WebSphere security to authenticate against all of the LDAP servers

    • D.

      Configure a standalone LDAP registry for each directory server and enable multiple realms.

    Correct Answer
    B. Configure a federated repository including all of the LDAP directory servers.
    Explanation
    An administrator can make all of the user IDs and passwords in the LDAP directory servers available to WebSphere security by configuring a federated repository including all of the LDAP directory servers. This means that the administrator can integrate all the LDAP directory servers into a single federated repository, allowing WebSphere security to authenticate against all of them. This ensures that user IDs and passwords from all the LDAP directory servers are accessible and can be used for authentication within the WebSphere environment.

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  • 25. 

    Which action below must be performed to ensure that requests routed through the Web server can reach a Web application deployed in WebSphere Application Server Network Deployment V7.0?

    • A.

      Security is enabled on the administrative console.

    • B.

      An updated plugin-cfg.xml is generated and propagated to the Web server.

    • C.

      The Web server and the WebSphere Application Server must be installed on the same physical server.

    • D.

      The Web server plug-in and the WebSphere Application Server must be installed on the same physical server.

    Correct Answer
    B. An updated plugin-cfg.xml is generated and propagated to the Web server.
    Explanation
    To ensure that requests routed through the Web server can reach a Web application deployed in WebSphere Application Server Network Deployment V7.0, an updated plugin-cfg.xml needs to be generated and propagated to the Web server. This file contains the necessary configuration information for the Web server to communicate with the application server and properly route the requests. Without updating and propagating this file, the Web server will not be able to direct the requests to the correct application.

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  • 26. 

    Which one of the following statements is true about scoping resources in the WebSphere Application Server?

    • A.

      When a resource is defined at a more general scope, greater isolation is provided.

    • B.

      In the administrative console, All scopes can be selected to create a new resource.

    • C.

      Resources that are defined at more specific scopes override duplicate resources that are defined at more general scopes.

    • D.

      Resources such as Java Database Connectivity (JDBC) providers, namespace bindings, or shared libraries can only be defined at a single scope.

    Correct Answer
    C. Resources that are defined at more specific scopes override duplicate resources that are defined at more general scopes.
    Explanation
    When a resource is defined at a more specific scope in the WebSphere Application Server, it will override any duplicate resources that are defined at more general scopes. This means that the resource defined at the specific scope will take precedence over the duplicate resource defined at a more general scope. This allows for finer control and customization of resources based on specific requirements.

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  • 27. 

    When adding a new member to a cluster, why is it necessary for an administrator to select the option for generating unique HTTP ports?

    • A.

      To enable encryption over the secure HTTP ports

    • B.

      To prevent other applications from using these ports

    • C.

      To avoid port conflicts with other servers on the same node

    • D.

      To ensure that cluster members on different hosts have unique ports

    Correct Answer
    C. To avoid port conflicts with other servers on the same node
    Explanation
    When adding a new member to a cluster, selecting the option for generating unique HTTP ports is necessary to avoid port conflicts with other servers on the same node. If multiple servers on the same node were to use the same port, it would result in a conflict and prevent the servers from functioning properly. By generating unique HTTP ports, each server can have its own designated port, ensuring that there are no conflicts and allowing the servers to operate smoothly.

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  • 28. 

    A J2EE application maintains information in the HTTP session in memory. This information can be recreated, but there is a performance penalty to restore the state if a user session fails over to a different cluster member. Which of the following features maximizes the use of information already stored in a server's session?

    • A.

      Database persistence

    • B.

      Session affinity in Web server plug-in

    • C.

      Memory--to-memory replication in Both Mode

    • D.

      Memory--to-memory replication in Server Mode

    Correct Answer
    B. Session affinity in Web server plug-in
    Explanation
    Session affinity in Web server plug-in maximizes the use of information already stored in a server's session. This feature ensures that a user session is always directed to the same cluster member, preventing the need to restore the session state in case of failover. By maintaining session affinity, the information stored in the HTTP session remains accessible and can be quickly retrieved, reducing the performance penalty associated with failover.

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  • 29. 

    What is the sequence of components which would typically be involved in the flow of a request from a Web browser to a servlet?

    • A.

      External HTTP Server, HTTP Server Plug-in, and EJB Container

    • B.

      Load Balancer, Embedded HTTP Server, HTTP Server Plug-in and Web Container

    • C.

      Edge Component, HTTP Server Plug-in, external HTTP Server, and Web Container

    • D.

      External HTTP Server, HTTP Server Plug-in, embedded HTTP Server and Web container

    Correct Answer
    D. External HTTP Server, HTTP Server Plug-in, embedded HTTP Server and Web container
    Explanation
    The correct answer is External HTTP Server, HTTP Server Plug-in, embedded HTTP Server, and Web container. This sequence represents the typical flow of a request from a web browser to a servlet. The external HTTP server acts as the initial entry point for the request. The HTTP server plug-in is responsible for routing the request to the embedded HTTP server. The embedded HTTP server then passes the request to the web container, which manages the execution of the servlet and generates the response.

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  • 30. 

    How is the plug-in configuration file viewed from the WebSphere Application Server administrative console?

    • A.

      There is no facility to view the plug-in configuration file in the administrative console.

    • B.

      From the web servers list, select a particular web server. In the properties view, click Plug-in properties and then click View next to the Plug-in configuration file name

    • C.

      On the left navigation bar, expand Servers, Server Types, and then Web Servers. Click on a particular web server. The path of the plug-in file is shown here. Use a text file reader to view the file.

    • D.

      On the left navigation bar, expand System Administration. Click on Server Management and go to Web Servers. Select Plug-in File Management. Clicking on the View link runs Notepad with the plug-in file open

    Correct Answer
    B. From the web servers list, select a particular web server. In the properties view, click Plug-in properties and then click View next to the Plug-in configuration file name
    Explanation
    To view the plug-in configuration file from the WebSphere Application Server administrative console, you need to go to the web servers list and select a specific web server. Then, in the properties view, you should click on Plug-in properties and select View next to the Plug-in configuration file name. This will allow you to access and view the contents of the plug-in configuration file.

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  • 31. 

    What is the most common role that naming plays in the WebSphere Application Server?

    • A.

      Allows applications to obtain references to objects such as data sources.

    • B.

      Allows Java programs (clients and Java EE applications) to create, send, receive, and read asynchronous requests, as messages.

    • C.

      Provides a runtime environment for enterprise beans within the application server.

    • D.

      Provides a secure facility to support Customer' basic organizational entity management needs.

    Correct Answer
    A. Allows applications to obtain references to objects such as data sources.
    Explanation
    The most common role that naming plays in the WebSphere Application Server is allowing applications to obtain references to objects such as data sources. This means that naming provides a way for applications to easily access and use data sources within the server, which is essential for the proper functioning of many applications.

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  • 32. 

    To create a pool of connections that an application can use to interact with a database, the administrator must create one of the following?

    • A.

      JDBC provider

    • B.

      JCA resource adapter

    • C.

      High availability server

    • D.

      JMS activation specification

    Correct Answer
    A. JDBC provider
    Explanation
    To create a pool of connections that an application can use to interact with a database, the administrator must create a JDBC provider. A JDBC provider is responsible for managing the connection between the application and the database. It provides the necessary drivers and configurations to establish a connection, execute queries, and retrieve data from the database. By creating a JDBC provider, the administrator ensures that the application has a reliable and efficient way to communicate with the database.

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  • 33. 

    How is the response file specified in a silent installation scenario?

    • A.

      Specified in the installation. properties file

    • B.

      Specified as a parameter in the launchpad user interface

    • C.

      Included as a command-line option on the install command

    • D.

      Included as a command-line option on the launchpad application

    Correct Answer
    C. Included as a command-line option on the install command
    Explanation
    In a silent installation scenario, the response file is included as a command-line option on the install command. This means that when running the installation command, the response file is specified as an argument in the command line. This allows the installation process to read and use the information stored in the response file to perform the installation silently, without requiring any user input or interaction.

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  • 34. 

    During installation, administrative security was enabled using the default file-based repository. After installation, the administrator must change the password that was provided during the installation. How can this password be changed?

    • A.

      Invokewsadmin and run the updateDMgrFileRepository command to update the password.

    • B.

      Manually edit the primary administrative users password in the fileRegistry.xml file.

    • C.

      Use the Manage Users page in the administrative console and change the primary administrative user's password.

    • D.

      Configure the Federated repositories realm using the administrative console and change the primary administrative users password.

    Correct Answer
    C. Use the Manage Users page in the administrative console and change the primary administrative user's password.
    Explanation
    The correct answer is to use the Manage Users page in the administrative console and change the primary administrative user's password. This option allows the administrator to access the administrative console and change the password for the primary administrative user. The other options mentioned, such as running a command or manually editing a file, may not be the recommended or supported methods for changing the password in this scenario.

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  • 35. 

    Why does IBM WebSphere Application Server Network Deployment utilize node groups to implement a distributed environment? To:

    • A.

      Segment multiple security domains within a WebSphere cell.

    • B.

      Define the logical grouping of application servers to scale horizontally or vertically.

    • C.

      Enable mixed nodes with different capabilities within the same cell for administration purposes.

    • D.

      Allow application servers having the same applications installed to be grouped logically for workload management.

    Correct Answer
    C. Enable mixed nodes with different capabilities within the same cell for administration purposes.
    Explanation
    Node groups in IBM WebSphere Application Server Network Deployment are utilized to enable mixed nodes with different capabilities within the same cell for administration purposes. This means that different types of nodes, such as application servers or deployment managers, can be grouped together based on their specific capabilities. This allows for easier management and administration of the distributed environment, as different tasks and configurations can be assigned to specific node groups based on their capabilities.

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  • 36. 

    What can the system administrator do to distribute incoming HTTP traffic across a farm of Web servers?

    • A.

      Enable sewer affinity for each HTTP server in the cluster

    • B.

      Implement the Tivoli Access Manager as a load balancer

    • C.

      Implement the caching proxy server component of the Edge Components

    • D.

      Use the Load Balancer component of the Edge Components

    Correct Answer
    D. Use the Load Balancer component of the Edge Components
    Explanation
    The system administrator can distribute incoming HTTP traffic across a farm of Web servers by using the Load Balancer component of the Edge Components. This component is specifically designed to balance the traffic load among multiple servers, ensuring efficient utilization of resources and improved performance. By configuring the Load Balancer, the administrator can effectively distribute the incoming traffic across the Web servers in the farm, preventing any single server from being overwhelmed and providing a reliable and scalable solution for handling the HTTP traffic.

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  • 37. 

    Which type of server is recommended to be placed in the demilitarized zone (DMZ)?

    • A.

      Generic servers

    • B.

      Application servers

    • C.

      Managed HTTP servers

    • D.

      Unmanaged HTTP servers

    Correct Answer
    D. Unmanaged HTTP servers
    Explanation
    Unmanaged HTTP servers are recommended to be placed in the demilitarized zone (DMZ). The DMZ is a network segment that is exposed to the internet and is used to host public-facing services. Unmanaged HTTP servers, also known as web servers, are typically used to host websites or web applications that do not require complex management or security measures. Placing them in the DMZ helps to isolate them from the internal network, reducing the risk of unauthorized access to sensitive data.

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  • 38. 

    Username and password are specified as parameters for the addNode command to authenticate with:

    • A.

      The node agent if its administrative security is enabled

    • B.

      The add Node command itself since it is password protected

    • C.

      The node to be federated if its administrative security is enabled

    • D.

      The deployment manager if its administrative security is enabled

    Correct Answer
    D. The deployment manager if its administrative security is enabled
    Explanation
    The correct answer is the deployment manager if its administrative security is enabled. When using the addNode command, the username and password parameters are used to authenticate with the deployment manager. This is necessary when the administrative security is enabled on the deployment manager. By providing the correct username and password, the user can gain access to the deployment manager and perform tasks such as federating a node.

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  • 39. 

    An administrator wants to run a Web server on an unmanaged node with no administrative process. Which of the following issues result from this configuration?

    • A.

      The administrative console will not be able to generate a plug-in configuration file for this Web server.

    • B.

      Applications will not be able to use this Web sewer as a deployment target.

    • C.

      The plug-in configuration file must be manually propagated to the Web server host.

    • D.

      This Web server will not be able to perform workload management of requests to a cluster of application servers

    Correct Answer
    C. The plug-in configuration file must be manually propagated to the Web server host.
    Explanation
    In this configuration, since the node is unmanaged and has no administrative process, the administrative console will not be able to generate a plug-in configuration file for the Web server automatically. Therefore, the plug-in configuration file must be manually propagated to the Web server host.

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  • 40. 

    What is the name of the WebSphere scripting tool?

    • A.

      Wasadmin

    • B.

      Wsadmin

    • C.

      Ws_ant

    • D.

      Wsdeploy

    Correct Answer
    B. Wsadmin
    Explanation
    The correct answer is "wsadmin". This is the name of the WebSphere scripting tool.

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  • 41. 

    Which components provide workload management capabilities?

    • A.

      Node agent

    • B.

      Web server plug-in, Load balancer

    • C.

      Caching proxy, Deployment manager

    • D.

      Load balancer, Deployment manager

    Correct Answer
    B. Web server plug-in, Load balancer
    Explanation
    The web server plug-in and load balancer are components that provide workload management capabilities. The web server plug-in helps distribute incoming requests to multiple servers, ensuring that the workload is evenly distributed and preventing any single server from being overwhelmed. The load balancer also helps distribute the workload across multiple servers, improving performance and reliability. These components work together to optimize resource utilization and ensure efficient handling of incoming requests.

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  • 42. 

    In order to create a new WebSphere cell and implement a horizontal scaling topology, an administrator needs to perform which task(s)?

    • A.

      Federate nodes and create multiple clusters

    • B.

      Load balance multiple HTTP servers using Edge Components

    • C.

      Deploy multiple database servers using a high availability software product

    • D.

      Federate nodes and create cluster members across multiple machines.

    Correct Answer
    D. Federate nodes and create cluster members across multiple machines.
    Explanation
    To create a new WebSphere cell and implement a horizontal scaling topology, the administrator needs to federate nodes and create cluster members across multiple machines. Federating nodes involves adding remote application server instances to the deployment manager, allowing them to be managed centrally. Creating cluster members across multiple machines enables load balancing and high availability by distributing the workload across multiple servers. This allows for horizontal scaling, where additional machines can be added to the cluster to handle increased traffic and improve performance.

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  • Current Version
  • Aug 19, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 12, 2010
    Quiz Created by
    Sabikhi

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