000-253 Exam

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Exam : IBM 000-253
Title : Test253. IBM WebS.App.Svr.Ntwork Develoyment V6.1.Core Admn


1. 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

2. 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

3. 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

4. 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

5. 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

6. 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

7. 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

8. 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

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