Home » Oracle » 1z0-478 » What feature of Oracle Service Bus enables you to define this restriction?
You are creating a web service interface to a legacy system that can handle only five concurrent calls.
What feature of Oracle Service Bus enables you to define this restriction?
A. Endpoint management
B. Throttling
C. Caching
D. Choking
Correct Answer: B
Explanation/Reference:
Limiting the Concurrent Number of Requests
Limiting the concurrent requests for a Business Service cannot be set at design time so you have to use the built-in Oracle Service Bus Administration Console to do it (/sbconsole). Follow these steps to enable it:
1. In Change Center, click Create to start a new Session
2. Select Project Explorer, and navigate to the Business Service you want to limit
3. Select the Operational Settings tab of the View a Business Service page
4. In this tab, under Throttling, select the Enable check box. By enabling throttling you
1. Specify a value for Maximum Concurrency
2. Specify a positive integer value for Throttling Queue to backlog messages that has exceeded the message concurrency limit
3. Specify the maximum time in milliseconds for Message Expiration a message can spend in Throttling Queue
5. Click Update
6. Click Active in Change Center to active the new settings
Note:
* Virtualized Endpoint Management: Ability to specify multiple endpoints for a business service allowing service pooling, load-balancing and failover.
Support is also provided for throttling service invocations to protect them from overload.
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