Created Advanced Quiz Answers.md file

Advanced Quiz Answers.md

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+# Advanced Quiz Answers
+
+**1. When should you use 'replicas'?**
+
+- [:heavy_check_mark:] When you want to run multiple executors in parallel to increase throughput and availability.
+- ☐ When you want to partition big indices
+- ☐ When you need to segment large texts into smaller chunks
+- ☐ When you need to segment large texts into smaller chunks
+
+**2. What is a valid signature for a function that uses the  @requests decorator?**
+
+- ☐ def foo(self, docs, *args)
+- ☐ def foo(docs, **kwargs)
+- [:heavy_check_mark:] def foo(self, docs, parameters, **kwargs)
+- ☐ def foo(cls, docs, docs_matrix, **kwargs)
+
+**3. How to control mesage overflow at the Executor?**
+
+- ☐ Use prefetch>0 with the Client
+- [:heavy_check_mark:] Use prefetch>0 while starting the Flow
+- ☐ Use shards>1 with the Executor
+- ☐ Use overload=0 environment variable in the Executor
+
+**4. How to override the `with` configurations when using an Executor from Jina Hub?**
+
+- [:heavy_check_mark:] Use uses_with argument
+- ☐ Use overide_with argument
+- ☐ Use with argument
+- ☐ Use customized_with argument
+
+**5. How to provide custom models to containerized Hub encoders?**
+
+- [:heavy_check_mark:] Use the volumes parameter to specify a disk volume that contains the model files and specify the custom model path in the Executor parameters
+- ☐ Upload the custom model to HuggingFace
+- ☐ Specify the custom model path in the Executor parameters
+- ☐ It is not possible with Jina
+
+**6. Which amongst these is not a right syntax to use an already existing Executor from Hub?**
+
+- ☐ Executor.from_hub('jinahub://DummyHubExecutor')
+- ☐ Flow().add(uses='jinahub+docker://DummyHubExecutor')
+- [:heavy_check_mark:] DocumentArray.load_from('jinahub://DummyHubExecutor')
+- ☐ Flow().add(uses='jinahub://DummyHubExecutor')
+
+**7. Which is correct about the retention policy for the Flows deployed on JCloud?**
+
+- ☐ Flows are kept forever.
+- ☐ By default Flows will be removed after 24 hrs, regardless of whether it's in use / has been used or not.
+- [:heavy_check_mark:] You can configure the Flow retention days in Flow YAML.
+
+**8. How can I make sure Executors only receive Documents meeting certain conditions?**
+
+- ☐ Adding Flow().add(condition=...) with condition beind defined with DocArray query language
+- ☐ Adding Flow().add(when=...) with condition being defined with DocArray query language
+- [:heavy_check_mark:] Adding Flow().add(when=...) with condition being defined with your own query language
+- ☐ Adding Flow().add(condition=...) with condition beind defined with your own query language
+
+**9. What is the way Jina exposes to check the readiness of a Flow from a Client?**
+
+- [:heavy_check_mark:] client.dry_run()
+- ☐ client.health_check()
+- ☐ client.post()
+- ☐ client.index()
+
+**10. How can you monitor the Flow?**
+
+- [:heavy_check_mark:] Flow(monitoring=True, port_monitoring=9090) and scrape metrics using Prometheus
+- ☐ Send a HTTP request to each Executor
+- ☐ Flow(monitoring=True, port_monitoring=9090) and client.monitor(port=9090)
+- ☐ Monitoring is available only in JCloud