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Salesforce TVB-450 Exam Actual Questions
Trailhead Virtual Bootcamp for Platform Developer I (Page 4 )

Updated On: 5-Jul-2026
Page 4 of 31
PDF with 298 Questions

A developer writes a trigger on the Account object on the before update event that increments a count field. A workflow rule also increments the count field every time that an Account is created or updated. The field update in the workflow rule is configured to not re-evaluate workflow rules.
What is the value of the count field if an Account is inserted with an initial value of zero, assuming no other automation logic is implemented on the Account?

  1. 1
  2. 3
  3. 4
  4. 2

Answer(s): D



Since Aura application events follow the traditional publish-subscribe model, which method is used to fire an event?

  1. ernit()
  2. fireEvent()
  3. fire()
  4. registerEvent()

Answer(s): C



A developer wants to mark each Account in a List<Account> as either or Inactive based on the LastModified field value being more than 90 days.
Which Apex technique should the developer use?

  1. A for loop, with a switch statement inside
  2. A Switch statement, with a for loop inside
  3. An If/else statement, with a for loop inside
  4. A for loop, with an if/else statement inside

Answer(s): D



What are three characteristics of change set deployments? Choose 3 answers

  1. Change sets can only be used between related organizations.
  2. Change sets can be used to transfer records.
  3. Sending a change set between two orgs requires a deployment connection.
  4. Change sets can deploy custom settings data.
  5. Deployment is done in a one-way, single transaction.

Answer(s): A,B,E



A developer must create a DrawList class that provides capabilities defined in the Sortable and Drawable interfaces. public interface Sortable { void sort(); } public interface Drawable { void draw(); } Which is the correct implementation?

  1. Public class DrawList implements Sortable, Implements Drawable { public void sort() { /*implementation*/}
    public void draw() { /*implementation*/}
    ]
  2. Public class DrawList extends Sortable, Drawable {
    public void sort() { /*implementation*/}
    public void draw() { /*implementation*/}
    }
  3. Public class DrawList implements Sortable, Drawable { public void sort() { /*implementation*/}
    public void draw() { /*implementation*/}
    }
  4. Public class DrawList extends Sortable, extends Sortable, extends Drawable { public void sort() { /*implementation*/ }
    public void draw() { /* implementation */}

Answer(s): C



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