Which code snippet correctly demonstrates the use of a circuit breaker pattern in a microservice call?

easy📝 Conceptual Q3 of 15

Microservices - Resilience Patterns

A<pre>response = service.call().retry(3).timeout(1000).execute()</pre>

B<pre>response = service.call().circuitBreaker().execute()</pre>

C<pre>response = service.call().bulkhead(5).execute()</pre>

D<pre>response = service.call().fallback(() => defaultResponse).execute()</pre>

Step-by-Step Solution

Solution:

Step 1: Identify circuit breaker usage
The circuit breaker pattern wraps a call to monitor failures and open the circuit when needed.
Step 2: Analyze options
```
response = service.call().circuitBreaker().execute()
```
shows a call with circuitBreaker() method, which is correct syntax for circuit breaker usage.
Final Answer:
response = service.call().circuitBreaker().execute() -> Option B
Quick Check:
Circuit breaker wraps call [OK]

Quick Trick: Circuit breaker wraps call to monitor failures [OK]

Common Mistakes:

MISTAKES

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