Which two statements are correct regarding Spring Boot 2.x Actuator Metrics? (Choose two.)

• A.Timer measures both the number of timed events and the total time of all events timed.
• B.Custom metrics can be measured using Meter primitives such as Counter, Gauge, Timer, and DistributionSummary.
• C.An external monitoring system must be used with Actuator.
• D.The metrics endpoint /actuator/metrics is exposed over HTTP by default.
• E.A metric must be created with one or more tags.

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Refer to the exhibit.
It is a Java code fragment from a Spring application. Which statement is true with regard to the above example? (Choose the best answer.)

• A.This syntax is invalid because the result of the getBean() method call should be cast to ClientService.
• B.It will return a bean called ClientService regardless of its id or name.
• C.This syntax is invalid because the bean id must be specified as a method parameter.
• D.It will return a bean of the type ClientService regardless of its id or name.

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