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시험 번호/코드: 000-253
시험 이름: IBM (IBM WebSphere Application Server Network Deployment V6.1, Core Administration)
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Q&A: 108 문항
업데이트: 2013-11-05
IBM인증 000-253시험준비중이신 분들은IBM인증 000-253시험통과가 많이 어렵다는것을 알고 있을것입니다. 학교공부하랴,회사다니랴 자격증공부까지 하려면 너무 많은 정력과 시간이 필요할것입니다. 그렇다고 자격증공부를 포기하면 자신의 위치를 찾기가 힘들것입니다. ITExamDump 덤프는 IT인증시험을 대비하여 제작된것이므로 시험적중율이 높아 다른 시험대비공부자료보다 많이 유용하기에 IT자격증을 취득하는데 좋은 동반자가 되어드릴수 있습니다. ITExamDump 덤프를 사용해보신 분들의 시험성적을 통계한 결과 시험통과율이 거의 100%에 가깝다는 놀라운 결과를 얻었습니다.
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NO.1 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
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NO.2 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
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NO.3 When altering the level of logging information, which level provides more detailed logging information
thanthe default (info) level?
A. Fatal
B. Warning
C. Severe
D. Config
Answer: D
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NO.4 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
IBM자료 000-253자격증 000-253인증 000-253
NO.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
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NO.6 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
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NO.7 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
IBM자료 000-253 000-253시험문제
NO.8 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
IBM 000-253시험문제 000-253 000-253자료 000-253
NO.9 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
IBM자격증 000-253 000-253 000-253
NO.10 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
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NO.11 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
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NO.12 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
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NO.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
IBM덤프 000-253 000-253 000-253자료 000-253덤프
NO.14 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
IBM pdf 000-253 000-253 000-253시험문제 000-253
NO.15 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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NO.16 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
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NO.17 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
IBM 000-253 000-253자료 000-253 000-253덤프
NO.18 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
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NO.19 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
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NO.20 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
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