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Tested by multiple times before publishing Try free 000-253 exam demo before you decide to buy it in Exam4Test.com Exam4Test Help You Pass Any IT Exam Exam4Test.com offers incredib le career enhancing opportunities. We are a team of IT professionals that focus on providing our customers with the most up to date material for any IT certification exam. This material is so effective that we Guarantee you will pass the exam or your money back. Exam : IBM 000-253 Title : Test253. IBM WebS.App.Svr.Ntwork Develoyment V6.1.Core Admn 1. A cluster member has suddenly crashed. The administrator is concerned about aborted transactions holding locks in the database. What can an administrator do to release the locks? A. Unmount the shared file system such as a Network Attached Storage (NAS) where the transaction log is stored B. Restart the deployment manager and node agents who manage the transaction log C. Verify another running cluster member has access to the transaction log D. Reconnect the database where the transaction log is stored Answer: C 2. When altering the level of logging information, which level provides more detailed logging information than the default (info) level? A. Fatal B. Warning C. Severe D. Config Answer: D 3. Which set of parameters can a system administrator adjust to directly improve performance for the EJB container? A. Transaction lifetime and client inactivity timeout B. Cache size and cache cleanup interval C. Data source connection pool and server JVM size D. Session timeout and HTTP session object size Answer: B Page 2 of 6 4. When the application server is experiencing normal to heavy usage, which statement most accurately describes optimal pool usage? A. The pools will all show similar numerical values, indicating balanced workload is occurring throughout the application server. B. Pools used by the application should be released and rebuilt in conjunction with JVM garbage collection cycles ensuring that no stale connections persist. C. The Performance Management Interface (PMI) must be explicitly enabled on the application server to be monitored, since it requires CPU resources on the server being monitored. D. Pools used by the application should be nearly fully utilized, indicating that resources are being efficiently used. Answer: D 5. When configuring a J2C connection factory, which setting can be configured using the administrative console? A. Container-managed authentication alias B. Component-managed authentication alias C. Authentication preference D. Mapping configuration alias Answer: B 6. Which approach should be recommended when designing a production topology for WebSphere application servers providing high availability and failover capabilities? A. Create a design using multiple machines that handle the full production load, enabling the use of application server clustering to provide failover capabilities B. Utilize load balancers between the Web servers and the application servers to provide failover support at the application server tier C. Place the Authentication servers outside of the intrusion firewall with the Web servers, since the Web servers will need to access them D. Use the largest processor engines and least number of physical machines for the application server tier, to minimize the software licensing costs Answer: A 7. Which two components provide workload management capabilities? A. Node agent B. Web server plug-in C. Caching proxy D. Deployment manager E. Load balancer Answer: BE 8. An application has 15 concurrent users and a connection pool size of 10. Each user uses 3 prepared statements. For this application, what is the recommended prepared statement cache size? A. 10 B. 15 C. 30 D. 45 Answer: C 9. What is needed to load balance the HTTP traffic across a cluster of Web servers? A. Configure a proxy server such as Tivoli Access Manager (TAM) B. Enable server affinity for each HTTP server in the cluster C. Implement the caching proxy server component of the WebSphere Edge D. Use an IP sprayer from the load balancing component of the WebSphere Edge Components Answer: D Page 3 of 6 10. If an administrator configures session management for an application server to use SSL ID tracking, which two other session tracking mechanisms should also be enabled? A. Cookies B. URL Rewriting C. Security Integration D. Serial Access E. Java2 Security Answer: AB 11. Which Web module parameter adjustments would result in improved response time for Web clients? A. Disable load on startup B. Enable pre-compile JSP option C. Set the distributable flag D. Set the reload interval to 20 seconds or less Answer: B 12. Session Initiation Protocol (SIP) servlets are packaged in which type of archive file? A. SAR B. WAR C. JAR D. EJB-JAR E. SIP-JAR Answer: A 13. An application server is using data source connections being managed thru connection pooling. However, the server is logging database errors resulting from lack of connections. In this context, what applies to tuning database connections? A. Data sources are abstracted from the JDBC drivers to permit database upgrades without impacting the application logic. The administrator should decrease the connection timeout value. B. The connection pool is managed by the application server container, so in addition to increasing the connection setting, additional connections allowed must be configured on the database. C. The data sources are released at the end of the commit phase when using Type 4 JDBC drivers. New connections will be created upon the next database access. D. It is necessary to tune the applications before tuning WebSphere application server. Connections not returned to the pool are often caused by programs not closing connections properly. Answer: D 14. In a WebSphere cell configuration, which component is a single point of failure? A. Deployment manager B. Web container C. EJB container D. HTTP server Answer: A 15. A J2EE application needs to be configured as follows: The EJB module and the utility JAR in the application must be loaded by the same Class loader. Web module WAR1 and the EJB module must use the same Class loader and Web module WAR2 must have its own Class loader. What is the correct Web module Class loader configuration for this application? A. WAR1 - Module, WAR2 - Module B. WAR1 - Module, WAR2 - Application C. WAR1 - Application, WAR2 - Application D. WAR1 - Application, WAR2 - Module Answer: D Page 4 of 6 16. What functionality does the Caching Proxy server provide? A. Reverse proxy and content-based routing B. Dynamic content caching and integration with servlet caching C. File serving enabler D. HTTP compression E. Integration with Dynacache and third party object caches Answer: AB 17. What is the correct syntax when running the backup configuration of administrative server files when WebSphere Security is enabled? A. backupConfig WebSphereConfig user <name> -password <password> B. backupConfig WebSphereConfig backup.zip nohalt user <name> -password <password> C. backupConfig WebSphereConfig -cell user <name> -password <password> D. backupConfig WebSphereConfig profilename=AppSrv01 user <name> -password <password> Answer: A 18. Which Web server plug-in setting is NOT configurable using the administrative console? A. Load balancing option B. Retry interval C. Refresh configuration interval D. Minimum number of connections Answer: D 19. Which services are implemented by the WebSphere application server? A. Security, JMS messaging, Naming and HTTP Plug-in B. The user registry, Naming and HTTP Plug-in C. HTTP Load Balancing service, JMS messaging and Data Replication Service (DRS) D. Security, Naming, Transaction and Dynamic Cache Answer: D 20. What does a WebSphere application server provide to support the installation and deployment of JSR 168 compliant portlets? A. An embedded portlet container B. A scaled-down version of the WebSphere Portal Server C. Several J2EE applications that render and aggregate portlets in a browser D. An embedded version of WebSphere Portal Express Answer: A More 000-253 Information 000-903 IBM Tivoli Netcool/xSM 000-926 IBM Certified Deployment Professional-Maximo V6 ITSM 000-253 Test253. IBM WebS.App.Svr.Ntwork Develoyment V6.1.Core Admn 000-331 Power Systems Sales for AIX and Linux 000-798 ibm tivoli monitoring for transaction perf v5.2 implement 000-833 Object Oriented Analysis and Design-Part1(Analysis) 000-351 ibm eserver i5 iseries single system adminsitration v5r3 000-918 System Administration for IBM Informix Dynamic Server V11 000-664 Test664.SOA Fundamentals 000-021 IBM Tivoli Workload Scheduler V8.5 lmplementation Related 000-253 Exams Page 5 of 6 000-484 enterprise connectivity with j2ee v1.3 000-807 Test 807, Web Services Dev for IBM Web Sphere App Server V6.1 000-792 ibm tivoli access mgr for business integration v3.9.1 implmn 000-647 Rational Performance Tester 000-568 test 568,ibm host on-demand v5.0 and screen customizer v2.0 000-635 rational-fundamentals of rational rose 000-750 ibm certified specialist retail store solution sales 000-806 IBM Test 806, IBM WebSphere Ap Svr Ntwk Deploy V6.1 Adv Admn 000-971 System i Administrator V5.07.11 000-284 Test 284, IBM Wbs. DataPower SOA Appliances, Fimware v3.6.0 Other IBM Exams 000-793 000-255 000-215 000-417 000-M09 000-926 000-637 000-901 LOT-739 000-190 000-023 000-371 000-892 000-990 000-314 000-528 000-301 000-331 000-M15 000-M26 Page 6 of 6
