Microsoft MB6-704 Online Practice Questions and Exam Preparation

Microsoft MB6-704 Online Questions & Answers

• Question 21:

  Which statement accurately describes a model in Dynamic AX?

  A. A model can be used to group other models.
  B. A model can group elements at multiple layers.
  C. A model can group elements only at a specific layer.
  D. An element that exists only in one layer can be in multiple models in the same layer.
  C. A model can group elements only at a specific layer.

  ---

  A model is a set of elements in a given layer. Each layer consists of one or more models. Each layer contains one system-generated model that is specific to that layer. Every element in a layer belongs to only one model. In other words, no

  element can belong to two models in the same layer, and every element must belong to a model.

  Note:

  Models were introduced in Microsoft Dynamics AX 2012 to help partners and customers more easily install and maintain multiple solutions side by side in the same layer.

  Reference: Models, Layers, and the Model Store [AX 2012]

• Question 22:

  You have the following X++ code: (Line numbers are included for reference only.)

  

  Method l and method2 are in Class l. Method3 is in Class2.

  You need to ensure that you can change the value of variable2 at line 21.

  What should you do first?

  A. Create a protected accessor method for variable2.
  B. Create a public accessor method for vanable2.
  C. Declare variable2 as a public variable.
  D. Declare variable2 as a protected variable.
  B. Create a public accessor method for vanable2.

  ---

  All classes are public, but all member variables are implicitly private. Use a public Setter Accessor method to change a variable of the other class.

  Note:

  Add a Setter Accessor Method

  Follow these steps to add a method that sets the value of a member variable:

  1.

  Right-click the Class1 node, and then click New > Method.

  2.

  Rename the method1 node to setFirstName.

  3.

  In the code Editor window, paste in the following X++ code for the method.

  X++

  public void setFirstName(str _firstName)

  {

  firstName = _firstName;

  }

  Reference: Declaration of Classes [AX 2012]

• Question 23:

  You need to display data on a new form. What should you do?

  A. Add a data source and create a design.
  B. Add a data source and set a caption.
  C. Add a data source and create a method.
  D. Add a form part and set a caption.
  A. Add a data source and create a design.

  ---

  A form data source is the database query, table, or view that a form uses to retrieve the data that is displayed by the form. The data source also defines a connection to the Application Object Server (AOS) that the form can use to create, update, or delete database records.

  A data design element (controls) displays data on a form.

  Incorrect:

  Not B: A data source has no caption.

  Reference: Forms Best Practices [AX 2012]; Forms Best Practices [AX 2012]

• Question 24:

  You are developing a solution by using X++. The solution updates multiple records.

  You need to ensure that if the solution attempts to modify records that currently are being edited by a user, the operation will be retried.

  Which type of exception should you handle?

  A. Code Access Security
  B. Sequence
  C. Update Conflict
  D. Deadlock
  C. Update Conflict

  ---

  Update Conflicts

  OCC makes it possible for other processes to update a record even after it has been fetched. You can catch update conflicts by catching the UpdateConflict and UpdateConflictNotRecovered ex- ceptions.

  Exception: UpdateConflict

  Indicates that an error has occurred in a transaction that is using Optimistic Concurrency Control. The transaction can be retried (use a retry statement in the catch block).

  Incorrect:

  Not D:

  Exception Deadlock:

  Indicates that there is a database deadlock because several transactions are waiting for each other.

  Reference: Optimistic Concurrency Control [AX 2012]; Exception Handling with try and catch Keywords [AX 2012]

• Question 25:

  You plan to create a Fact Box based on a query that queries a table.

  You need to ensure that all of the fields in the table are available to the Fact Box. What should you do?

  A. From the Fields node of the form s data sources, set the Dynamic property to Unselected
  B. From the Fields node of the table, set the Dynamic property to Yes.
  C. From the Fields node of the query's data sources, set the Dynamic property to Yes.
  D. From the Fields node of the table, set the Dynamic property to Unselected.
  B. From the Fields node of the table, set the Dynamic property to Yes.

  ---

  The Fields node contains the data elements returned by the table, map, or view. If you set the Fields node Dynamic property to Yes, all the fields in the data source are returned. If you set the Dynamic property to No, you can right-click a field and select Delete to remove it from the data source.

  Reference: Query Elements in the AOT [AX 2012]

• Question 26:

  You have the following X++ code: (Line numbers are included for reference only.)

  

  Method l and method2 are in Class l. Method3 is in Class2.

  You need to identify the value of var l for the cl object when the execution of the code reaches line 22.

  Which value should you identify?

  A. 10
  B. Undefined
  D. 5
  D. 5

• Question 27:

  You have the following X++ code that contains an SQL statement:

  

  Which two statements accurately describe the code? Each correct answer presents a complete solution.

  A. The code does not enforce field-level security.
  B. The results variable only contains data from the partition in to which the user is logged.
  C. The code does not enforce row-level security.
  D. The results variable only contains data from the legal entity in to which the user is logged.
  C. The code does not enforce row-level security.
  D. The results variable only contains data from the legal entity in to which the user is logged.

  ---

  C: Record level security is not enforced on the Statement class. If data is exposed to the user, perform explicit security validation.

  Note: * ::revertAssert

  Causes a previous call to the CodeAccessPermission.assert and CodeAccessPermission::assert- Multiple methods to be removed and no longer in effect.

  Reference: Statement.executeQuery Method [AX 2012]

  If users control input to the executeQuery method, an SQL injection threat can occur. Therefore, this method runs under Code Access Security.

• Question 28:

  You have the following X++ statement:

  

  You need to identify the output of the statement. What should you identify?

  A. 1
  C. 1
  C. 1

  ---

  Initial value of counter is 1. The increment is by 3.

• Question 29:

  A table named Table 1 has a string field named Account Num.

  You have an instance of Table l named tablel.

  You need to print the value of Account Num to the info log.

  Which code segment should you use?

  A. Info (tablel. Get Account Num ( ));
  B. Info (tablel Account Num());
  C. Info (int2str (tablel. Account Num));
  D. Info (tablel. Account Num);
  D. Info (tablel. Account Num);

  ---

  Just reference using the standard tablename.tablefield syntax.

• Question 30:

  You need to explicitly request permission to invoke a secured class. Which two methods should you use? Each correct answer presents part of the solution.

  A. Set
  B. Define
  C. Assert
  D. Invoke
  E. Demand
  C. Assert
  E. Demand

  ---

  Method assert: Declares that the calling code can invoke an API that is protected by a permis- sion.

  Method Demand: Checks the call stack to determine whether the permission that is required to invoke an API has been granted to the calling code.

  Reference: ExecutePermission Class [AX 2012]