000-318 - IBM WebSphere Application Server Network Deployment V8.5 Core Administration

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Example Questions

A lightweight development environment for running a new web application that does not require the full Java EE stack has to be built. A system administrator decides to use a Liberty Profile and needs a Liberty Profile runtime to create the server and deploy the new application on it. Which tools could the system administrator use to create the runtime? (choose 2) A system administrator is using wsadmin scripts to perform product configuration. The command connects to a target server by specifying the connection type (SOAP), target server, port number and script file. The scripts have been successfully tested in a standalone environment. But, after the node is federated, the updates made are only visible for a limited amount of time. What should the system administrator do to fix this problem? A system administrator suspects that the web server plug-in is not configured correctly causing errors when attempting to access a Java servlet. Which component can the system administrator access directly to by-pass the plug-in and ensure the application is functional? A system administrator created multiple production cells for a company. Each cell contains multiple clustered application servers. The administrator needs to configure an external HTTP server to route requests to the multiple cells. How can the system administrator configure a web server to route traffic to multiple unrelated cells? A system administrator is planning to use Intelligent Management features in an existing cell with managed web servers running in the DMZ. The system administrator has created the On Demand Router (ODR) server, however, no traffic is routed to the application servers through the ODR. What should the system administrator configure to fix this issue? An application development team has developed a new version of an application that needs to be rolled out to a selected group of users for testing while the other users can continue to access the old version of the application. What configuration should the system administrator do in order to achieve this? A system administrator needs to configure the administrative console such that the changes made by one user are seen by another user when both are logged in at the same time. Which setting in the console preferences should the system administrator select to achieve this? A system administrator wishes to use Cross Component Trace (XCT) to follow the end-to-end flow requests in a cluster. The administrator enables log and trace correlation, but cross component trace appears to lack the necessary request IDs. What additional step needs to be taken by the system administrator to have Cross Component Trace function as expected? A system administrator notices that only one of the two available cluster members is receiving HTTP requests. The http_plugin.log shows that the other cluster member is constantly marked down even though it is up and running. What should the system administrator do to follow the request process flow to help diagnose the problem? A system administrator has added a server cluster as a member of a service integration bus. The system administrator needs to configure one messaging engine for each server in this cluster and to have a failover location for each messaging engine. Which messaging engine policy should the system administrator configure to achieve this? In a test environment, a system administrator has configured an external HTTP in the DMZ that is routing to a cluster of application servers. The administrator wants to achieve high results and performance when routing and prioritizing incoming requests to the back-end cluster. How can the system administrator achieve this task? After deploying a new application to a high load production system, a memory leak has been detected which causes OutOfMemory exceptions. After fixing this, a system administrator needs to gather JVM heap dumps and restart the server in case a memory leak is detected in the future. How should the system administrator handle this without writing a script? Create a health policy which will: An enterprise application needs to be deployed into a production WebSphere Application Server environment. The EAR contains application scoped resources which will conflict with the resource definitions that already exist in the federated environment. How can the system administrator ensure that the enterprise application uses only the already existing resources? A system administrator was asked by the development team to inform them of any warning message which contains a string "Connection" on a WebSphere Application Server with High Performance Extensible Logging (HPEL) enabled. What should system administrator do to continuously monitor logs for the required message? A system administrator needs to view the list of certificates for unmanaged web server located on a remote system. How should the system administrator do this? A system administrator needs to install an IBM fixpack to a WebSphere Application Server V8.5 node to resolve a security issue. The fixpack needs to be installed to both local and remote installations. How can the system administrator accomplish the task from a single workstation? A system administrator observed a decreased performance of a web application. During investigation, the system administrator found that there were frequent garbage collections. A WebSphere Application Server is running on 32-bit platform with 8GB of memory, and with default settings for the JVM. What does the system administrator need to change to improve performance? In a production environment, a system administrator tuned the data source statement cache to optimize the processing of prepared statements and callable statements by caching those statements that are not used in an active connection. When the cache is full, old entries in the cache are discarded. The administrator would like to get statistics on the number of statements discarded from the cache to determine how to minimize cache discards. How can the system administrator obtain this information? Which statement is accurate regarding business-level applications? A system administrator needs to tune the connection pool size parameters for a data source based on the current pool usage and the application server CPU utilization. Which of the following will provide the system administrator a recommendation on the efficient values for pool size? A Messaging Engine that persists data inside the message store has crashed and the backup of the configuration data is also not available. What should the system administrator do to restore the configuration data of the queues and topics? A system administrator needs to control which staff members have access to manage certain application servers. They choose to use fine grained control and map the staff members to only those specific application servers to which they need access. What does the system administrator need to do to accomplish this? A new security requirement needs to be implemented in the WebSphere Application Server environment. Any application deployed to the WebSphere Application Server cannot have a direct access to the file system if it is not needed. What should the system administrator do to enforce this requirement? A system administrator has configured a cluster containing 40 servers. The cluster members all belong to one core group. While examining the log files, the administrator notices that the core group coordinator is consuming abnormally high amounts of memory and CPU resources. How can the system administrator reduce the memory and CPU resource usage of the core group coordinator? A system administrator is asked to increase the logging level of an e-commerce application running on a production server to help developers troubleshoot a problem that is difficult to reproduce. The requester wants lengthy comprehensive logs to locate the root cause of the problem. The application is responsible for the online shopping experience of thousands of customers daily. The administrator is concerned about degrading performance of the application with the major shopping weekend approaching. How can the administrator address their performance concerns and satisfy the needs of the developers? Jython scripts have to be created for common administrative tasks using the IBM Assembly and Deploy Tool (IADT). For each task performed through the administrative console, a system administrator needs to redirect the Jython commands into the IADT to quickly create these scripts. How should the system administrator do this? A system administrator has made a configuration change to the cell repository that needs to replicate to a node. The node agent of the node is currently in stopped state. What must the system administrator do to synchronize the nodes with the deployment manager? A new system administrator is working on a script to retrieve specific configuration information from every server in a WebSphere Application Server cell for a new report being created. One of the first things the script will need to do is determine which servers are in the cell. After spending several hours writing complex scripting to determine which servers are in the cell, a colleague shares with the new administrator a one line command that returns a list of all the servers contained in the cell. Which wsadmin object was introduced to the new system administrator by the colleague? A system administrator is monitoring a web application and needs to find the slowest JSP page when a typical client load is run against the server. How can the system administrator find it? A system administrator is seeing data source naming exceptions during runtime and needs to check the JNDI name of the Java Transaction API (JTA) data source used within an Enterprise Java Beans (EJB) module. Which file should the administrator examine? An application that uses HTTP Session objects has been deployed on a horizontal cluster. A system administer needs to configure the memory-to-memory session replication so as to maximize the chances of successful session failover. How should the system administrator configure a replication domain? A system administrator has configured a clustered production WebSphere Application Server environment. The administrator is now tasked with deploying batch applications to the production environment and needs to run the batch jobs in parallel. Which of the following is a minimum requirement for the parallel job manager database configuration? One database: A system administrator needs to install IBM Installation Manager on a remote host using Flexible management. To do so, on which host machine should the system administrator download the Installation Manager "kits"? (choose 2) A system administrator has deployed web applications to a clustered environment where database session persistence is configured. The administrator needs to improve both the response time and the system load with the application servers. How can the system administrator do this? A system administrator has created a dynamic cluster in a production environment. During the autonomic server start and stop operations, it was observed that the server is taking more time than normal and the administrator is always called for manual start/stop of the servers. What should the system administrator tune to avoid manual intervention? A system administrator has configured a clustered environment where session persistence is configured. While tuning the environment, the administrator enables verbose garbage collection. Now the administrator is seeing a high CPU usage for the servers in the cluster and begins seeing out-of-memory exceptions in the log files. How can the system administrator diagnose what is accumulating in the memory and causing the out-of-memory exceptions? A system administrator needs to configure Single Sign-on (SSO) using LTPA for an application which will run in two cells. What is one of the key steps in configuring cross cell authentication? A system administrator is configuring an IBM WebSphere Application Server cell at a company that has a policy requiring communication between web servers and application servers be done via SSL. The cell profiles have been created using the default certificate configurations and leverage the internal deployment manager SSL management. What is required by the web server plugins to ensure SSL communications between web servers and application servers? A system administrator needs to create a diagnostic trace for an application server which has a problem that occurs only infrequently. The desire is to limit the amount of space taken up by the trace output file but still ensure that the log includes the trace information recorded during the problem. What should the system administrator do to accomplish these goals? A system administrator has just built a WebSphere Application Server node to replace a node lost to disk failure. The system administrator wishes to reincorporate this node into the existing WebSphere Application Server cell and use the prior configuration information. Unfortunately, the backup of the cell is extremely out of date. What should the system administrator use to accomplish this task? A system administrator would like to see new type of audit events in a log. After creating a new event filter, and adding it to a default audit service provider, the system administrator cannot see any new events generated. What additional configuration does the system administrator need to do? A system administrator needs to collect Performance Monitoring Infrastructure (PMI) data on response time of a servlet. The system administrator wishes to use HTTP to avoid issues with firewalls and needs XML as output. How can the system administrator achieve this? A system administrator needs to define an alternate security configuration for one of the clusters in a cell. As a whole, the cell uses a Federated Repository. The cluster in question needs to define a specific stand-alone LDAP server. How could the system administrator accomplish these requirements? An e-commerce application has been deployed on a WebSphere Application Server cluster with four cluster members. While a customer is shopping on the website, one of the application servers within the cluster fails. How does the system administrator need to configure the cluster so that the application's users do not get logged out of the application if the server fails? A system administrator needs to create a deployment manager and a federated node in one iteration through the Profile Management Tool. Which profile type should the system administrator select? A developer has just given the system administrator an EAR file that needs to deployed to the application server. The developer tells the system administrator that the EAR requires a driver for the new XYZ database that has been tested. What additional steps must the system administrator take to ensure the EAR deploys successfully to the application server? A company needs to use the same application server configuration to test the application in development, test and pre-production environment. It would like to back up the server configuration from the development environment and restore it in other environments. How can the system administrator meet this requirement? An administrator needs to move an application from a Liberty profile development environment to a production Network Deployment cell. What steps should the administrator take to deploy the application in the production cell? A system administrator has been asked to create a scripted installation process for a heterogeneous production environment. Periodically, the system administrator will need to silently install the product, apply fix packs, rollback, and uninstall the product as needed. What method should the system administrator use to only generate the response files for the scripted process? A system administrator needs to add a file to update an already deployed application using the monitored directory deployment feature. How should the system administrator do this?