Resilience And Fault Injection

Which THREE fields are found in the 'http' connectionPool configuration?

You want to limit the number of concurrent connections to the 'payment' service to 100. Where is this configuration set?

What happens if a request times out in Istio?

Which TWO of the following are true about Istio Circuit Breakers?

Which TWO fields are required when configuring an 'abort' fault injection in a VirtualService?

You want to configure your microservice to be more resilient. Which THREE of the following are valid fields within an 'outlierDetection' policy in a DestinationRule?

What is the default value for 'consecutive5xx' in OutlierDetection?

You need to limit the number of concurrent connections to the 'orders' service. Which field in the DestinationRule do you configure?

You want to configure a circuit breaker that only allows 100 concurrent requests to a service. Which field is correct?

Which field in the trafficPolicy of a DestinationRule controls the maximum number of pending requests in the connection pool?

Which TWO of the following are valid HTTP fault injection delay settings?

Which THREE of the following are valid sub-fields of 'outlierDetection'?

You need to limit the number of concurrent connections to the 'order-service' to prevent cascading failures. Which Istio resource should you configure?

How do you specify the percentage of traffic that should experience a fault?

Which setting is used to limit the number of retries for a request?

Which TWO are common causes for a service to be ejected by Outlier Detection?

What is the consequence of having a timeout that is shorter than the average latency of the service?

Which of the following describes the difference between Circuit Breaking and Outlier Detection?

Which of the following is a valid method for performing fault injection?

Which of the following is true regarding Outlier Detection in Istio?

You want to ensure that a request to the 'search' service fails fast if it takes longer than 2 seconds. How is this configured?

What is the recommended way to test fault injection in a production environment?

You want to ensure that a pod is only ejected if it fails consistently. Which setting is most appropriate?

To test how your application handles service unavailability, you want to return an HTTP 503 error for 20% of requests to the 'catalog' service. Which fault injection setting do you use?

When using 'maxRequests' in connectionPool, what happens when the threshold is reached?

What is the primary purpose of adding a timeout to a service call?

Which TWO conditions can trigger Outlier Detection ejection?

You are testing resilience. You want to inject an HTTP 503 error for 20% of traffic to the 'catalog' service. Which fault setting is correct?

A service is returning 5xx errors frequently. You want to eject instances that return 5 consecutive 5xx errors. Which OutlierDetection setting is required?

Which field defines how long an ejected pod remains out of the rotation?

Which TWO of the following are valid connectionPool fields?

Which THREE items can you configure in a VirtualService to improve resilience?

Which THREE things happen when a request fails and a retry policy is active?

Which THREE of the following are valid fields in a 'retry' policy?

An application is experiencing intermittent errors. You decide to use outlier detection to eject unhealthy pods. Which field in the DestinationRule controls the ejection of hosts after a certain number of 5xx errors?

What is the purpose of 'minHealthPercent' in the OutlierDetection configuration?

You need to ensure that a request to the 'orders' service times out if it takes longer than 2 seconds. Which field in the VirtualService should you configure?

You have a DestinationRule with outlier detection enabled. If a host returns 5 consecutive 5xx errors and the 'interval' is set to 1s, what happens if 'baseEjectionTime' is 30s?

In a VirtualService, where is the fault injection policy defined?

How do you define a circuit breaker that limits the number of pending requests?

You want to simulate a 5-second network latency for 10% of requests to the 'cart' service. Which VirtualService configuration is correct?

What is the default timeout for an HTTP request in Istio when no VirtualService is defined?

Which THREE settings are part of the 'outlierDetection' configuration in a DestinationRule?

Which TWO parameters affect the 'aggressiveness' of Outlier Detection?

Which THREE components are involved in configuring a robust resilience strategy?

You want to configure outlier detection to eject hosts that return 5xx errors. Is it possible to monitor more than just 5xx codes?

Which TWO of the following are valid fields within a DestinationRule's 'trafficPolicy'?

You notice that a pod is being ejected by Outlier Detection despite only having occasional errors. How do you increase the interval between ejection scans?

Which field in a VirtualService can you use to retry a request?

Which resource is used to configure circuit breaking for a service?

What happens when a circuit breaker trips?

Which component is responsible for the actual enforcement of circuit breaking and fault injection?

Where do you define the connection pool settings for a service?

In OutlierDetection, what is the effect of setting 'maxEjectionPercent' to 0?

When configuring circuit breaking, what does 'maxRequestsPerConnection' control?

Can you configure fault injection for specific traffic patterns, such as user headers?

Which TWO options are required to properly implement an abort fault injection in a VirtualService?

Which TWO of the following are valid fault injection types in Istio?

Which THREE settings are part of the 'connectionPool' configuration in a DestinationRule?

To test the resilience of your microservice architecture, you want to introduce a 5-second delay to 50% of the requests directed to the 'catalog-service'. Where do you define this configuration?