MCD-Level-2 Practice Test Questions to Help You Prepare with Confidence
Getting ready for an MuleSoft MuleSoft Certified Developer - Level 2 (Mule 4) certification exam can feel confusing at first. There’s a lot to cover, limited time, and plenty of pressure to do well. That’s where our practice test questions for MCD-Level-2 come in.
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MuleSoft MCD-Level-2 Sample Questions – Free Practice Test & Real Exam Prep
Question #1
Which type of cache invalidation does the Cache scope support without having to write any
additional code?
A. Write-through invalidation
B. White-behind invalidation
C. Time to live
D. Notification-based invalidation
Answer: C
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.3/cachescope#
cache_invalidation
Question #2
Which statement is true when using XML SDK for creating custom message processors?
A. Properties are fields defined by an end user of the XML SDK component and serve as a global
configuration for the entire Mule project in which they are used
B. An XML SDK provides both inbound and outbound operations
C. Operations can be reused in recursive calls
D. All operations are public
Answer: D
Explanation:
When using XML SDK for creating custom message processors, all operations are public by default
and can be used by any Mule application that imports them. There is no way to make an operation
private or protected in XML SDK. Reference: https://docs.mulesoft.com/mule-sdk.1/xmlsdk#
operations
Question #3
Which statement is true about using mutual TLS to secure an application?
A. Mutual TLS requires a hardware security module to be used
B. Mutual TLS authenticates the identity of the server before the identity of the client
C. Mutual TLS ensures only authorized end users are allowed to access an endpoint
D. Mutual TLS increases the encryption strength versus server-side TLS alone
Answer: B
Explanation:
Mutual TLS (mTLS) is an extension of TLS that requires both parties (client and server) to present
their certificates to each other during the handshake process. This way, both parties can verify each
others identity and establish a secure connection. The authentication of the server happens before
the authentication of the client, as the server sends its certificate first and then requests the clients
certificate. Reference: https://docs.mulesoft.com/mule-runtime.3/tls-configuration#mutualauthentication
Question #4
When implementing a synchronous API where the event source is an HTTP Listener, a developer
needs to return the same correlation ID back to the caller in the HTTP response header.
How can this be achieved?
A. Enable the auto-generate CorrelationID option when scaffolding the flow
B. Enable the CorrelationID checkbox in the HTTP Listener configuration
C. Configure a custom correlation policy
D. NO action is needed as the correlation ID is returned to the caller in the response header by default
Answer: D
Explanation:
When implementing a synchronous API where the event source is an HTTP Listener, Mule
automatically propagates some message attributes between flows via outbound and inbound
properties. One of these attributes is correlation ID, which is returned to the caller in the response
header by default as MULE_CORRELATION_ID. Reference: https://docs.mulesoft.com/muleruntime/
4.3/about-mule-message#message-attributes
Question #5
A custom policy needs to be developed to intercept all cutbound HTTP requests made by Mule
applications.
Which XML element must be used to intercept outbound HTTP requests?
A. It is not possible to intercept outgoing HTTP requests, only inbound requests
B. http-policy:source
C. htt-policy:operation
D. http-policy:processor
Answer: D
Explanation:
The http-policy:processor element is used to intercept outbound HTTP requests made by Mule
applications. It allows customizing the request before it is sent to the target API and modifying the
response after it is received from the target API. Reference: https://docs.mulesoft.com/apimanager/
2.x/policy-mule4-custom-policy#policy-xml-file
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