Master Microservices with Spring Boot and Spring Cloud - Step 27 – Playing with Resilience4j – Retry and Fallback Method

Master Microservices with Spring Boot and Spring Cloud - Step 27 – Playing with Resilience4j – Retry and Fallback Method

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Hard

Created by

Quizizz Content

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The video tutorial focuses on implementing and configuring retry logic using circuit breaker frameworks, specifically Resilience4J. It begins with an introduction to the retry concept, followed by a demonstration of implementing retry logic with a dummy API. The tutorial then covers configuring retry settings, including custom configurations and fallback methods. Advanced features such as exponential backoff are also explored, highlighting their importance in cloud environments. The tutorial concludes with a brief mention of the circuit breaker pattern for handling long-term service downtimes.

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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary purpose of a circuit breaker in a REST API?

To retry failed requests automatically

To prevent system overload by stopping requests to a failing service

To log all API requests

To enhance the speed of API responses

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why might you want to implement a retry mechanism in an API?

To reduce the load on the server

To handle temporary failures by retrying requests

To ensure the API is always available

To increase the number of API calls

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the default number of retries when using the retry feature?

One

Two

Five

Three

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you configure the number of retry attempts for a specific API?

By changing the API endpoint

By using a different logging framework

By increasing the server capacity

By modifying the retry configuration in application properties

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a fallback method used for in retry logic?

To decrease server load

To increase retry attempts

To provide an alternative response when retries fail

To log errors

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the 'wait duration' configuration control in retry logic?

The total number of retries

The time between each retry attempt

The number of concurrent API calls

The maximum response time for an API

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the effect of enabling exponential backoff in retry logic?

The time between retries increases exponentially

The number of retries is doubled

Retries happen immediately after each other

The API response time is reduced

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