C2180-317 - IBM WebSphere Application Server Network Deployment V8.0, Core Administration Exam
Go back to IBM
Management is concerned about secure communication when using WebSphere Proxy Server. How can the system administrator provide additional security to the base proxy configuration?
Configure Secure Sockets Layer (SSL) transport.
A system administrator is tuning a WebSphere Application Server system for optimal performance, based on advice obtained from the Performance and Diagnostic advisor. What setting should the administrator configure to ensure accurate advice for the specific configuration of the system?
Specify the number of processors on the server
A system administrator needs to identify the performance of a database application and JDBC connection pool, CPU usage time and response time. Which tools should the administrator use to get this data?
Performance Monitoring Infrastructure (PMI)
An application developer needs to know the SOAP_CONNECTOR_ADDRESS for their development application server. The Integrated Solutions Console (ISC) is unavailable because the Deployment Manager server is down for maintenance. How can the system administrator determine the proper port number for the developer? Search for SOAP_CONNECTOR_ADDRESS in the:
A system administrator needs to backup a WebSphere Application Server profile without disrupting normal operations. How can the administrator accomplish this?
Execute backupConfig.sh -nostop -profileName <profile>
A system administrator has successfully installed the WebSphere Application Server Network Deployment core product. The administrator then attempts to start server1, and it fails to start. On initial inspection, the administrator finds that the profiles directory is empty. What should the administrator do next?
Run the WebSphere Customization Toolbox.
The lead administrator needs to limit access to the Integrated Solutions Console (ISC) by a group of administrators who only need to: ?view the configuration of the WebSphere Application Server. ? monitor its status. ?stop and start the server. To what administrative role should the lead administrator assign this group?
A system administrator needs to improve performance of a WebSphere Application Server runtime. The computations of JavaServer Pages (JSP), servlets, portlets, Web services and WebSphere commands should be performed once and served from memory. What should the administrator configure?
Dynamic cache service
A mixed version and flexible management topology is required for a new application. For ease of administration, the system administrator needs to register a WebSphere V7.0 stand-alone node with a WebSphere V8.0 job manager. What must the administrator do before registering with the job manager?
register the V7.0 stand-alone node with a V7.0 administrative agent
A system administrator needs to modify the plug-in configuration file. Which utility should the administrator use?
WebSphere Customization Toolbox (WCT)
A system administrator needs to install the IBM Installation Manager for WebSphere Application Server Network Deployment V8.0 using a non-root account. What step must the administrator take so that the installation can be managed by two different non-root user accounts? Install the IBM Installation Manager:
in group mode.
A system administrator needs to submit a wsadmin job to change the configuration of an enterprise application within a flexible management environment. What should the administrator do? Connect to:
A system administrator is creating a new WebSphere cell consisting of three dedicated machines: ?web server ?deployment manager ?application server node To provide process level failover, the administrator should create a cluster with:
Web clients are seeing error messages when they try to access a Java EE application. In order to isolate the system component that may be causing the problem, the administrator decides to verify the request flow from a web browser. In what order should the components be examined?
Web server, HTTP plug-in, embedded HTTP server, web container
A remote host machine has been registered to a job manager as a target, and the IBM Installation Manager has been installed on the host. How can an administrator install WebSphere Application Server Network Deployment V8.0 on the remote host?
Use the job manager to schedule a "Manage offerings" job.
Several unmanaged application server profiles (nodes) are hosted on the same machine. The administrator needs to add these nodes to a flexible management topology. Which command should the administrator execute?
A system administrator has made an unintended configuration change in the Integrated Solutions Console (ISC). Before committing the changes, the administrator was logged-out due to the timeout restriction. After logging back in, how can the administrator discard the uncommitted changes made in the previous session?
Select the "Work with the master configuration" choice.
A Java EE application is deployed to a horizontal cluster and makes use of HTTP session objects. The administrator is required to ensure failover of these session objects, and chooses to implement memory- to-memory replication. To maximize chances of successful failover, how should the administrator configure the replication?
Select Entire domain for the number of replicas.
In a network deployment cell, web users are prompted several times to authenticate. What should the administrator do so that the users only need to authenticate once during a session?
Enable single sign-on for the global security configuration and provide the necessary DNS domain names.
A system administrator needs to increase messaging throughput across multiple servers. What should the administrator do?
Add a cluster to the bus and create multiple messaging engines.
A system administrator needs to enable Single Sign On (SSO) using LTPA between WebSphere cells. What must the administrator do to accomplish this?
Configure both cells to use the same user registry.
A system administrator has completed a WebSphere installation using the IBM Installation Manager. Which tool, using the default settings, can the administrator use to generate an HTML file verifying the version of WebSphere installed? Execute the:
Performance issues have caused several high profile outages in a WebSphere Application Server Network Deployment V8.0 environment. The application developer has isolated the problem to one specific application. To assist with the problem diagnosis a system administrator has been asked to enable the highest level of WebSphere tracing available. How should the system administrator accomplish this? Enable tracing and set the level to:
A system administrator configures the intelligent runtime provisioning feature included with WebSphere Application Server Network Deployment V8.0. The default WebSphere settings are in place. At what level will the administrator enable runtime provisioning?
A system administrator needs to identify the most time-intensive web components of a running application, and determine which components are the slowest. The administrator does this from the Tivoli Performance Viewer (TPV) by:
viewing Servlets Summary Report.
A system administrator has enabled the HPEL mode on an application server, but has disabled the HPEL text log to improve performance. How can the administrator view only the messages that were streamed to System.out and System.err by a single server thread?
Use the Integration Solutions Console (ISC) Log Viewer to select a thread and then click the "Show Only Selected Threads" button.
A system administrator needs to install WebSphere Application Server binaries on a remote host. The administrator will use the Centralized Installation Manager (CIM) of a Deployment Manager. How should the administrator do this? To install the binaries executing a CIM job, the administrator should:
register the target host to the Job Manager server of the deployment manager.
A system administrator notices that a new cluster member is running but not receiving HTTP requests. Which script from the command line should the administrator execute for the new cluster member to receive HTTP requests?
A system administrator needs to use wsadmin to execute commands interactively. The WebSphere cell has global security enabled. To avoid the security login dialog when executing wsadmin, the administrator should:
edit the sas.client.props file.
A WebSphere Application Server has been set up to receive requests from an IBM HTTP Server (IHS). A system administrator has been asked to examine the environment for problems (if any) and has been given several log files to check. This is an excerpt from the IHS's access.log: <host_ip> - - [26/Jan/2012:14:17:19 +0800] "GET /Login.jsp HTTP/1.1" 500 620 What should the administrator do next?
Check the server's SystemOut.log file to see what errors occurred around the same time.
An application server needs to be diagnosed for out-of-memory issues. The system administrator will use a tool that performs the analysis of the heap dump. Which tool should the administrator use?
IBM Support Assistant (ISA)
A system administrator needs to configure a new way to manage applications using the monitored directory deployment feature. How can the administrator enable it? The feature...
can be enabled using the Integrated Solutions Console (ISC) or wsadmin.
A system administrator needs to enable security auditing. What additional configuration steps are required before auditing becomes effective?
Create a set of users or groups mapped to the Auditor role, and define the notification mechanism.
A system administrator is using the debug features of the IBM Assembly and Deploy Tools (IADT) to resolve an error in a wsadmin Jython script. Which control on the Debug view can the administrator use to progress through the statements without redirecting to any encountered functions?
A system administrator needs to modify the Java 2 security permissions for applications running on a server. How should the administrator perform this task?
Use the PolicyTool.
Customers are complaining that a particular web site is "hanging". To troubleshoot the problem, a system administrator decides to trigger several thread dumps to determine which threads might be hung. How can the administrator trigger the thread dumps?
Use wsadmin to execute the dumpThreads command for the application server.
A cluster is a member of a service integration bus (SIBus) and is configured with the high availability messaging engine policy. How should a system administrator configure JMS messaging so that message-driven beans (MDBs) on all cluster members can get messages?
Enable the JMS activation specification option: Always activate MDBs in all servers.
An application server is configured with the default garbage collection (GC) policy. An administrator needs to load test different GC policies. How can the administrator change the server's GC policy?
Use Integrated Solutions Console (ISC) to navigate to the server's JVM configuration and add an appropriate -Xgcpolicy setting.
A system administrator needs to create a new standalone WebSphere application server profile on <machine_a>. All previous WebSphere installations have been on <machine_a>. What should the administrator do to prevent a port conflict with this new server?
Execute the Profile Management Tool from <machine_a>
An administrator needs to monitor the frequency of garbage collection (GC) cycles that are triggered when a typical client load is run against the server. How should the administrator monitor the frequency of garbage collections?
Use the Tivoli Performance Viewer (TPV) and select the JVM Runtime.
A system administrator must deploy a new application that uses Java 2 security. There are several applications installed in the cell that use application security but not Java 2 security. How can the administrator enable support for Java 2 security without affecting the other applications?
Configure a security domain with Java 2 security enabled for the application server that will host the new application.
A system administrator needs to configure a WebSphere Application Server runtime through a properties file. The administrator needs to verify that the properties file is correct and can be applied. How should the administrator do this?
Using the applyConfigProperties command with the -validate option.
While monitoring a JDBC data source's performance during a test load, a system administrator notices that there are a large number of prepared statements discarded from the cache. In order to improve application throughput, how should the administrator tune the data source?
Increase the size of the prepared statement cache until there are no statement discards under load.
A system administrator must configure IBM WebSphere Application Server Network Deployment V8.0 to authenticate users with a Windows domain. The administrator should configure a registry that is:
a local operating system (OS).
An application is deployed to a WebSphere Application Server ND V8.0 cluster consisting of four cluster members. Assuming the cluster is stopped, what should a system administrator do to delete the cluster?
Delete the cluster.
A system administrator needs to install the IBM Installation Manager (IIM) using non-graphical interactive mode. To perform this operation, what should the administrator run?
A system administrator has made changes at the cell scope in the Integrated Solutions Console (ISC) of the deployment manager and needs to trace the propagation of the configuration change. Where should the administrator expect these changes to be persisted?
master repository, node repository
A system administrator needs to monitor a transaction and determine how much time it spends in the web container, EJB container, and backend database. Which tool should the administrator use to gather response times for each component?
A system administrator creates a profile and selects the option to allow WebSphere Application Server to create the default certificate. After the certificate is created, what attributes can the administrator customize, if needed?
Distinguished name (DN) and lifespan of the certificate