1Z0-807 무료 덤프문제 온라인 액세스

The integration team has reported a problem in testing a few deployed MDBs. By design, each MDB listens to one of four named queues. Two producers write messages to each queue. The test issues messages of the same payload type that each producer will send, but varies the number or size of these messages to measure the messaging server's performance.
The team has noticed that the utilization remains at the same high rate any time the test writes messages destined for the third MDB. The message server log does not reveal any failure in sending messages to this MDB. Which anticipation expresses cause for this condition?

• A.Golden Hammer
• B.Cache less Cow
• C.Hot Potato
• D.Leaky Abstraction

Which two functions are essential parts of a service oriented architecture (SOA) infrastructure?

• A.The service look-up facility, which provides a central resource for naming and access
• B.The service repository, which stores software component metadata
• C.The service provider, which executes business logic in a stateless fashion
• D.The service consumer, which accesses services from the service repository
• E.The service broker, which delivers well-defined service-level agreements

You are the architect at ACME, a large global retailer of festival and holiday accessories. ACME wants to launch a new shopping portal for the holiday shopping session, allowing two months from project inception to going live. The portal must contain in-house and third-party stock to attack customers.
Fast response times are also critical so users remain engaged and sticky to the portal.
What would you recommend to the ACME project team to deliver this project?

• A.Access as much content with bulk-loading as possible; use JSONP to access the remainder.
• B.Access all third party content using JSON to dynamically load it from the browser.
• C.Access all content regardless of source using the HTML 5 XML parsing capabilities of the browser

: 66
You are contracted to improve the performance of an application.
While analyzing the application, you observe the following issues:
-Tight couplingbetween client and business objects -Too manyremote method Invocationsbetween client and server
Which design pattern is best suited to improving performance?

• A.Service Activator
• B.Data Access Object
• C.Web Service Broker
• D.Session Facade
• E.Value List Handler

Your application uses web services extensively and frequently to distribute large XML objects over HTTP. In addition, the application has been set particularly demanding performance and scalability
service level agreements (SLAs).
Which java API is best suited for your application?

• A.DOM
• B.JAXB
• C.JAXR
• D.STAX