Last updated on May 17, 2026
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Welcome to this comprehensive guide on how to prepare for and pass the Salesforce Certified JavaScript Developer I Exam. This exam is designed to test your knowledge and skills in JavaScript development within the Salesforce platform. By obtaining this certification, you will demonstrate your proficiency in leveraging JavaScript to build custom applications and enhance the functionality of Salesforce.
The Salesforce Certified JavaScript Developer I Exam is a multiple-choice exam that consists of approximately 60 questions. The duration of the exam is 105 minutes, and a passing score of 68% is required to obtain the certification. It is important to note that the exam questions are regularly updated to reflect the latest best practices and technologies in JavaScript development on the Salesforce platform.
To succeed in the exam, it is crucial to have a solid understanding of the following key areas:
Here are some actionable tips to help you prepare effectively for the Salesforce Certified JavaScript Developer I Exam:
Passing the Salesforce Certified JavaScript Developer I Exam is a significant achievement that validates your expertise in JavaScript development within the Salesforce platform. By following the tips provided in this guide and investing time and effort in your preparation, you can increase your chances of success. Remember to leverage official documentation, complete relevant Trailhead modules, and practice with sample questions to reinforce your knowledge. Best of luck on your journey towards becoming a certified JavaScript developer on Salesforce!
Question 10: Answer: Yes Why: The Windows 10 P2S VPN client must include the correct route(s) to reach VNetB via the VPN gateway in VirtualNetworkA. When you peered VirtualNetworkA with VirtualNetworkB, the address space reachable through the gateway changed, but the existing P2S client package may not contain the updated routes. By re-downloading and reinstalling the VPN client configuration, you install an updated client package that includes the route to VirtualNetworkB, allowing the workstation to connect to VNetB through the gateway. This is the documented approach after changing VNets or peering that affects address spaces.
Question 10:
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Question 21: Correct answer: B. The command fails due to syntax error. Why it’s wrong: - Databricks SQL insert statements require a source query after the target table, e.g.: INSERT INTO [TABLE] target_table SELECT ... or INSERT OVERWRITE TABLE target_table SELECT .... - The given command uses INSERT INTO stakeholders.suppliers TABLE stakeholders.new_suppliers; but there is no SELECT or query to provide data, and the TABLE keyword is not used that way for a source. - So the statement doesn’t conform to the required syntax: it’s missing the source query and the INTO/OVERWRITE structure. How to fix (examples): - Append data from new_suppliers into suppliers: INSERT INTO TABLE stakeholders.suppliers SELECT * FROM stakeholders.new_suppliers; - Overwrite suppliers with data from new_suppliers: INSERT OVERWRITE TABLE stakeholders.suppliers SELECT * FROM stakeholders.new_suppliers; - To avoid duplicates, use DISTINCT: INSERT INTO TABLE stakeholders.suppliers SELECT DISTINCT * FROM stakeholders.new_suppliers; Key concept: insert statements need a target, a mode (INTO
Question 21:
INSERT INTO [TABLE] target_table SELECT ...
INSERT OVERWRITE TABLE target_table SELECT ...
INSERT INTO stakeholders.suppliers TABLE stakeholders.new_suppliers;
TABLE
INSERT INTO TABLE stakeholders.suppliers SELECT * FROM stakeholders.new_suppliers;
INSERT OVERWRITE TABLE stakeholders.suppliers SELECT * FROM stakeholders.new_suppliers;
INSERT INTO TABLE stakeholders.suppliers SELECT DISTINCT * FROM stakeholders.new_suppliers;
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Question 18: Correct answer: A: Expose it in the markup using the implements and access attributes. Why: App Builder only lists Aura components that declare appropriate interfaces via implements (e.g., flexipage:availableForAllPageTypes). Without this, the component isn’t available to add to a Lightning App Builder page. The access="global" setting makes the component usable across apps/pages, including App Builder; without it, it may not render in the builder. Why the other options are not correct: Deleting/recreating components and metadata won’t make it available in App Builder. Upgrading API version won’t expose the component if it isn’t annotated with the proper interfaces. Looking for JS errors addresses runtime problems, not the exposure in App Builder. Example snippet: <aura:component implements="flexipage:availableForAllPageTypes" access="global"> ... component code ... </aura:component>
Question 18:
implements
access
flexipage:availableForAllPageTypes
access="global"
<aura:component implements="flexipage:availableForAllPageTypes" access="global">
</aura:component>
https://docs.microsoft.com/en-us/windows-server/identity/ad-ds/plan/delegating-administration-of-account-ousand-resource-ousThe link explains how to delegate administration in AD DS using the Delegation of Control Wizard, scoped to an OU or domain. It supports the principle of least privilege by letting you grant specific tasks only to a limited scope (e.g., an OU) rather than broad admin rights. How it applies to your scenario: To let User1 manage the membership of all groups in Contoso\OU3, you should create a delegation on OU3. This keeps privileges tightly scoped to OU3, avoiding broader access. Key steps (brief): Open Active Directory Users and Computers (ADUC). Right-click OU3 ? Delegate Control. Add User1 (or a dedicated group) as the delegate. Choose the specific task(s) you want to allow (e.g., manage group membership) or create a custom task restricted to OU3. Complete the wizard; verify that the delegation applies only to OU3 and its subobjects. If you want, I can outline the exact wizard options for this scenario.
https://docs.microsoft.com/en-us/windows-server/identity/ad-ds/plan/delegating-administration-of-account-ousand-resource-ousThe link explains how to delegate administration in AD DS using the Delegation of Control Wizard, scoped to an OU or domain. It supports the principle of least privilege by letting you grant specific tasks only to a limited scope (e.g., an OU) rather than broad admin rights. How it applies to your scenario:
Active Directory Users and Computers
OU3
Delegate Control
Question 3:Question 3 shows a typo. The calculation should be x = 40/3, not 131/3. Setup: 3 eggs are needed per 1 pound, so eggs = 3 × pounds ? 3x = 40. Solve: x = 40/3 ˜ 13.333 pounds (13 1/3 pounds). Since the options are whole numbers, the closest whole number is 13 pounds. The exact value is 13 1/3 pounds, but the provided answer choice is 13 (Option B).
Question 3:Question 3 shows a typo. The calculation should be x = 40/3, not 131/3.
Question 602:Answer: D – Decommissioning an application. A one-time risk assessment is used for unique lifecycle events, such as retiring or decommissioning an application. It evaluates potential security or compliance impacts before the system is removed from service. The other options describe ongoing or repeated activities: - Quantifying an annual loss expectancy is part of continuous risk management. - Updating the risk register periodically is an ongoing governance task. - Complying with a regulation is an ongoing requirement. Key concept: One-time risk assessments target a specific, finite event (example: decommissioning) rather than repeated operations.
Question 602:Answer: D – Decommissioning an application.
explain me the differences between the compliance based approach and the scenario based approach Definition - Compliance-based approach: Establishes a security baseline from obligations (legal/regulatory/contractual) to address common, accidental, or environmental risks by default. - Scenario-based approach: Builds risk scenarios around risk origins and objectives to explore targeted, intentional threats and their paths (strategic/operational). Focus - Compliance: What must be covered by law, contracts, or standards; ensures a minimum, uniform control set. - Scenario-based: What attackers might do to achieve objectives; focuses on sophisticated, context-specific threats. Outputs - Compliance: A security baseline that addresses baseline risks and obligations; simplifies governance and responsibility sharing. - Scenario-based: Risk origins, target objectives, strategic and operational scenarios, and a remediation/treatment plan. Use in process - Compliance: Often the starting point to quickly establish a defensible baseline. - Scenario-based: Follows or overlays the baseline to identify gaps and prioritize actions against targeted threats. Interaction - They are complementary: start with the baseline (compliance), then apply scenario analysis to address gaps and prioritize risk treatment. Strengths and limits - Compliance: Fast, provides a clear baseline; may miss sophisticated or context-specific threats.
explain me the differences between the compliance based approach and the scenario based approach
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