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When developing a Lightning web component, which setting displays lightning-layout-items in one column on small devices, such as mobile phones, and in two columns on tables-size and desktop-size screens?
Answer: C
A developer sees test failures in the sandbox but not in production. No code or metadata changes have been actively made to either environment since the sandbox was created. Which consideration should be checked to resolve the issue?
Answer: A
A It says "No code or metadata changes have been actively made to either environment since the sandbox was created." so there should be no differences in Apex class version, Process builder or Workflow Rule statuses. Sandboxes can be in Preview though and tests hit some new standard behaviour which is not yet the case on Live
Source: Adapted from community discussion — stan_malta
Users complain that a page is very slow to respond. Upon investigation, the query below is found to perform slowly.
Which two actions can a developer take to improve performance? (Choose two.)
Answer: CD
Refer to the following code snippet:
A developer created a JavaScript function as part of a Lightning web component (LWC) that surfaces information about Leads by wire calling getFetchLeadList when certain criteria are met. Which three changes should the developer implement in the Apex class above to ensure the LWC can display data efficiently while preserving security? (Choose three.)
Answer: ABC
Ursa Major Solar has a custom object, ServiceJob＿c, with an optional Lookup field to Account called Partner_Service_Provider＿c. The TotalJobs＿c field on Account tracks the total number of ServiceJob＿c records to which a partner service provider Account is related. What should be done to ensure that the TotalJobs＿c field is kept up to date?
Answer: A
A. The keyword here is that the field is an optional lookup. Roll-up summaries are good for master detail, which in this case would not be the case. Therefore an apex trigger would be the best option.
Source: Adapted from community discussion — Sapphire808
Refer to the markup below:
A Lightning web component displays the Account name and two custom fields out of 275 that exist on the object. The custom fields are correctly declared and populated. However, the developer receives complaints that the component performs slowly. What can the developer do to improve the performance?
Answer: D
D. In the "Specifying Record Fields" section of the documentation provided, it says that fields can be specified with the layout-type or fields attribute, but layout-type only has two options (full or compact) therefore if the option were layout-type = "compact" then that would make more sense but since it is not, I would go with D where the layout-type is replaces with fields = {fields} since compact is in reference to the compact layout defined in the compact page layout in setup. https://developer.salesforce.com/docs/component-library/bundle/lightning-record-form/documentation
Source: Adapted from community discussion — Sapphire808
Universal Containers wants to use an external Web Service provided by a third-party vendor to validate that shipping and billing addresses are correct. The current vendor uses basic password authentication, but Universal Containers might switch to a different vendor who uses OAuth. What would allow Universal Containers to switch vendors without updating the code to handle authentication?
Answer: D
Sometimes events on Salesforce need to be handled by an external system due to the scale or type of process being executed. Consider the use case of a user in Salesforce needing to get pricing for an order they are building in Salesforce while on the phone with a customer. The pricing logic already exists in a third-party system. Instead of recreating this logic in Salesforce, it will be leveraged by making a request of the third-party system. The response, in this case the pricing, will be returned and stored back in Salesforce. What is the optimal solution?
Answer: A
Requirement is real time update as customer is waiting on phone, triggers can't make synchronous calls, ETL is batch (not real-time).
Source: Adapted from community discussion — ChiaSam
A company has reference data stored in multiple custom metadata records that represent default information and delete behavior for certain geographic regions. When a contact is inserted, the default information should be set on the contact from the custom metadata records based on the contact's address information. Additionally, if a user attempts to delete a contact that belongs to a flagged region, the user must get an error message. What is the optimal way to automate this?
Answer: D
A company uses Opportunities to track sales to their customers and their org has millions of Opportunities. They want to begin to track revenue over time through a related Revenue object. As part of their initial implementation, they want to perform a one-time seeding of their data by automatically creating and populating Revenue records for Opportunities, based on complex logic. They estimate that roughly 100,000 Opportunities will have Revenue records created and populated. What is the optimal way to automate this?
Answer: D
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