QUESTION: 1

The flow is invoicing a target API. The API's protocol is HTTPS. The TLS configuration in the HTTP Request Configuration global element is set to None. A web client submits a request to http:localhost:8081/vehicles.

If the certificate of the target API is signed by a certificate authority (CA), what is true about the HTTP Request operation when the flow executes?

The HTTP Request operation will succeed if the CA'S certificate is present in the JRE's default keystore
The HTTP Request operation will succeed if the CA's certificate is present in the JRE's default truststore.
The HTTP Request operation will always succeed regardless of the CA
The HTTP Request operation will always fail regardless of the CA

Answer(s): B

Explanation:

The HTTP Request operation will use the default truststore of the JRE to validate the certificate of the target API. If the CA's certificate is present in the truststore, the operation will succeed. Otherwise, it will fail with a handshake exception.

Reference:

https://docs.mulesoft.com/mule-runtime/4.3/tls- configuration#tls-default

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QUESTION: 2

When a client and server are exchanging messages during the mTLS handshake, what is being agreed on during the cipher suite exchange?

A protocol
The TLS version
An encryption algorithm
The Public key format

Answer(s): C

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

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QUESTION: 3

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?

It is not possible to intercept outgoing HTTP requests, only inbound requests
http-policy:source
htt-policy:operation
http-policy:processor

Answer(s): 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/api- manager/2.x/policy-mule4-custom-policy#policy-xml-file

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QUESTION: 4

An API has been built to enable scheduling email provider. The front-end system does very little data entry validation, and problems have started to appear in the email that go to patients. A validate- customer'' flow is added validate the data.
What is he expected behavior of the `validate-customer'' flow?

If only the email address Is invalid a VALIDATION.INVALID_EMAIL error is raised
If the email address is invalid, processing continues to see if the appointment data and customer name are also invalid
If the appointment date and customer name are invalid, a SCHEDULE:INVALID_APPOINTMENT_DATE error is raised
If all of the values are invalid the last validation error is raised:SCHEDULE:INVALID_CUSTOMER_NAME

Answer(s): A

Explanation:

The validate-customer flow uses an until-successful scope to validate each field of the customer data. The until-successful scope executes its processors until they succeed or exhausts the maximum number of retries. If any processor fails, it raises an error and stops executing the remaining processors. Therefore, if only the email address is invalid, a VALIDATION.INVALID_EMAIL error is raised and the validation of appointment date and customer name is skipped.

Reference:

https://docs.mulesoft.com/mule-runtime/4.3/until-successful-scope

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QUESTION: 1

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