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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Implement Performant and Reliable Mule Applications | 27% | - Use ObjectStore for persistence - Implement reliable messaging patterns - Handle HTTP API invocations and errors - Optimize performance and throughput - Validate messages and payloads |
| Topic 2: Implement Monitorable Mule Applications | 15% | - Monitor applications and runtimes - Implement logging and log management - Implement message correlation - Expose health check endpoints |
| Topic 3: Implement Maintainable and Modular Mule Applications and Maven Builds | 25% | - Execute tests with Maven - Implement automated deployment - Create reusable libraries - Build custom policies and processors - Modularize applications and builds |
| Topic 4: Secure Data at Rest and in Transit | 20% | - Expose and invoke APIs over HTTPS - Manage keys and certificates - Manage secure environment properties - Implement security policies |
| Topic 5: Design and Implement API-led Connectivity | 13% | - Implement server-side caching - Implement HTTP callbacks/webhooks - Implement API autodiscovery |
>> Mule-Dev-301 Reliable Test Topics <<
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NEW QUESTION # 40
When a client and server are exchanging messages during the mTLS handshake, what is being agreed on during the cipher suite exchange?
Answer: D
Explanation:
A cipher suite is a set of cryptographic algorithms that are used to secure the communication between a client and a server. A cipher suite consists of four components: a key exchange algorithm, an authentication algorithm, an encryption algorithm, and a message authentication code (MAC) algorithm. During the cipher suite exchange, the client and the server agree on which encryption algorithm to use for encrypting and decrypting the data. Reference: https://docs.mulesoft.com/mule-runtime/4.3/tls-configuration#cipher-suites
NEW QUESTION # 41
The HTTP Request operation raises an HTTP CONNECTIVITY error.
Which HTTP status code and body are returned to the web client?
Answer: D
Explanation:
When the HTTP Request operation raises an HTTP CONNECTIVITY error, it triggers an on-error-continue handler that sets a payload with 'Error in processing your request'. Since no status code is explicitly set in this handler, it defaults to 500 (INTERNAL SERVER ERROR). Therefore, the web client receives an HTTP response with status code 500 and body 'Error in processing your request'. Reference: https://docs.mulesoft.com/mule-runtime/4.3/error-handling#on-error-continue
NEW QUESTION # 42
Which type of cache invalidation does the Cache scope support without having to write any additional code?
Answer: B
Explanation:
The Cache scope supports time to live (TTL) as a cache invalidation strategy without having to write any additional code. TTL specifies how long the cached response is valid before it expires and needs to be refreshed. The Cache scope also supports custom invalidation strategies using MEL or DataWeave expressions. Reference: https://docs.mulesoft.com/mule-runtime/4.3/cache-scope#cache_invalidation
NEW QUESTION # 43
An order processing system is composed of multiple Mule application responsible for warehouse, sales and shipping. Each application communication using Anypoint MQ. Each message must be correlated against the original order ID for observability and tracing.
How should a developer propagate the order ID as the correlation ID across each message?
Answer: C
Explanation:
To propagate the order ID as the correlation ID across each message using Anypoint MQ, the developer should wrap all Anypoint MQ Publish operations within a With CorrelationID scope from the Tracing module, setting the correlation ID to the order ID. The With CorrelationID scope allows setting a custom correlation ID for any event that occurs within it. The Tracing module also enables distributed tracing across different Mule applications and services using Anypoint Monitoring. Reference: https://docs.mulesoft.com/tracing-module/1.0/tracing-module-reference#with-correlation-id-scope https://docs.mulesoft.com/tracing-module/1.0/tracing-module-concepts
NEW QUESTION # 44
Which statement is true when working with correlation IDS?
Answer: C
Explanation:
When working with correlation IDs, the HTTP Listener generates correlation IDs unless a correlation ID is received in the HTTP request. In that case, it propagates the received correlation ID throughout the flow execution. Correlation IDs are used to track events across different flows or applications. Reference: https://docs.mulesoft.com/mule-runtime/4.3/about-mule-message#message-attributes
NEW QUESTION # 45
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