9330744
Descripción
Fichas por Sarwesh Saurabh, actualizado hace más de 1 año
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Creado por Sarwesh Saurabh
hace más de 8 años
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| Pregunta | Respuesta |
| 1: What service should you choose if you want to sent notifications via text message to a system administrator? | SNS (Simple Notification Service) is the AWS service that provides the ability to send notifications to various endpoints, with SMS (test messages) being one of them. |
| 2: True or False: SNS can be used to send push notifications to Android and iOS mobile devices. True | Push notifications to mobile devices is one of the available endpoint options for SNS. |
| 3: If your applications architecture is currently tightly coupled, what AWS service should you use to decouple the application? | SQS (Simple Queue Service), and to a lesser extent SWF (Simple Workflow) can be used to decouple application components. |
| 4: An SQS Message is? | An SQS message can be up to 256KB in size of text (in any format) and is used to relay instructions from one instance to another (via an SQS queue). |
| 5: What best describes decoupled architecture? | A loosely coupled (or decoupled) system is one that has multiple components but can work independently of each other. So if one fails, the other components can continue to work. |
| 6: What is the purpose of an SWF decision task? | A decision task is used to communicate (back to the decider) that a given task has been completed. |
| 7: How long can an SWF workflow execution last? An SWF workflow execution lasts up to 1 year. | 8: True or False: SWF guarantees the order in which tasks are executed, where SQS does not guarantee the order that messages will be delivered. True |
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