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| Certification Vendor: | MuleSoft |
|---|---|
| Exam Name: | MuleSoft Certified Developer - Level 1 (Mule 4) |
| Exam Number: | MCD-Level-1 |
| Related Certifications: | MuleSoft Certified Integration Architect - Level 1 MuleSoft Certified Platform Architect - Level 1 MuleSoft Certified Developer - Level 2 (Mule 4) |
| Passing Score: | 70% |
| Real Exam Qty: | 60 |
| Certificate Validity Period: | 2 years |
| Exam Duration: | 120 minutes |
| Exam Format: | Multiple Choice, Multiple Select |
| Exam Price: | USD 400 |
| Available Languages: | English |
| Sample Questions: | MuleSoft MCD-Level-1 Sample Questions |
| Exam Way: | Online proctored or authorized testing center delivery. |
| Pre Condition: | Recommended experience with basic Mule 4 development and Anypoint Platform training. |
| Official Syllabus URL: | https://training.mulesoft.com/certification/exams/mcd-level1 |
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The MCD-Level-1 certification exam is a multiple-choice, proctored exam that consists of 60 questions. Candidates have 120 minutes to complete the exam, and a passing score of 70% is required to earn the certification. MCD-Level-1 Exam is available in several languages, including English, Spanish, and Japanese, and can be taken at a testing center or online.
NEW QUESTION # 234
Refer to the exhibit.
How should be the where clause written for the configured input parameters in such a way that it achieves below SQL query?
Answer: C
Explanation:
Correct syntax to use where clause is WHERE city = :city AND state = :state This question validates knowledge on using dynamic queries in DB select operation.
Configure Dynamic Queries in the Select Operation
When you need to parameterize not only the WHERE clause but also parts of the query itself (for example, queries that compare tables that depend on a condition, or complex queries for which the project table columns need to vary), you can configure dynamic queries.
In the following example, you configure a dynamic query by using a full expression with a string in which the table depends on a variable $(vars.table). Although some of the query text is dynamic ("SELECT * FROM
$(vars.table)), the WHERE clause still defines the WHERE condition using input parameters: in this case, WHERE name = :name.
In your Studio flow, select the Select operation.
In the operation configuration screen, set the SQL Query Text field to SELECT * FROM $(vars.table) WHERE name = :name.
Set the Input Parameters field to {'name' : payload}.
The following screenshot shows the configuration in Studio:
Graphical user interface, application Description automatically generated
Figure 3. Dynamic query configuration
In the XML editor, the <db:sql> configuration looks like this:
* <set-variable variableName="table" value="PLANET"/>
* <db:select config-ref="dbConfig">
* <db:sql>#["SELECT * FROM $(vars.table) WHERE name = :name"]</db:sql>
* <db:input-parameters>
* #[{'name' : payload}]
* </db:input-parameters>
* </db:select>
You can apply input parameters only to parameters in a WHERE clause. To modify any other part of the query, use the DataWeave interpolation operator.
Mule Ref Doc: Query a Database Examples - Mule 4 | MuleSoft Documentation
NEW QUESTION # 235
Refer to the exhibit. The input array of strings is passed to the batch job, which does NOT do any filtering or aggregating. What payload is logged by the Logger component?
Answer: A
NEW QUESTION # 236
Refer to the exhibits.
In the Choice router, the When expression for the domesticShipping route is set to "#[payload = 'FR']". What is logged after the Choice router completes?
Answer: D
NEW QUESTION # 237
Refer to the exhibits.
What is valid text to set the field in the Database connector configuration to the username value specified in the config.yaml file?
Answer: C
NEW QUESTION # 238
Refer to the exhibits.
What payload and variable are logged at the end of the main flow?
Answer: C
Explanation:
Correct answer is [[5, 10, 15, 20], 5]
Key thing to note here is that any changes made to payload in for each loop are not available outside for each scope where as variable value updated in for each loop is visible out side for each loop too.
In this example , sequence can be described as follows
1) Payload is set to the value [5, 10, 15, 20]
2) Variable is set to the value of 1
3) For each loop is executed four times and in each loop payload value is updated to append "Req" and variable is count is increased by 1
4) Once control comes out of for each , payload changes made within for each are not visible. Hence payload at this point of time is equal to payload available before entering for each loop which was [5, 10, 15, 20].
Similarly variable value updated in for each loop is also available outside hence variable value is 5 as it was updated in loop.
5) Hence correct answer is [[5, 10, 15, 20], 5]
For Each Scope
The For Each scope splits a payload into elements and processes them one by one through the components that you place in the scope. It is similar to a for-each/for loop code block in most programming languages and can process any collection, including lists and arrays. The collection can be any supported content type, such as application/json, application/java, or application/xml.
General considerations about the For Each scope:
By default, For Each tries to split the payload. If the payload is a simple Java collection, the For Each scope can split it without any configuration. The payload inside the For Each scope is each of the split elements.
Attributes within the original message are ignored because they are related to the entire message.
For Each does not modify the current payload. The output payload is the same as the input.
For non-Java collections, such as XML or JSON, use a DataWeave expression to split data. Use the Collection field for this purpose.
NEW QUESTION # 239
......
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