Describe the Considerations When Developing in a Multi-Tenant Environment. PLATFORM-DEVELOPER-I Practice Questions (Page 3)

Questions 11–15

1. 11application · medium

   A developer is writing Apex code that needs to process a large number of records. The code is currently using a for loop to query and update records one at a time. The developer wants to avoid hitting governor limits. Which approach is the best practice?

   • AUse a single SOQL query to retrieve all records and a single DML statement to update them.
   • BUse a batch Apex class to process the records in chunks.
   • CUse a map to store the records and then update them in a loop.
   • DUse a @future method to perform the processing asynchronously.
   Reveal Solution Discussion Select an answer first
2. 12expert · medium

   A large enterprise is evaluating Salesforce for its CRM needs. The CTO is concerned about the performance of the platform during peak usage hours, as the company has a large number of users. The CTO asks the developer to explain how Salesforce ensures consistent performance for all tenants. Which response is most accurate?

   • ASalesforce uses governor limits to prevent any single tenant from consuming excessive resources.
   • BSalesforce automatically scales resources based on tenant usage, ensuring unlimited performance.
   • CSalesforce uses a priority queue to give larger tenants more resources during peak hours.
   • DSalesforce uses dedicated hardware for each tenant to guarantee performance.
   Reveal Solution Discussion Select an answer first
4. 13foundation · easy

   In a multi-tenant architecture, how is data typically stored to ensure logical separation between tenants while sharing the same physical infrastructure?

   • AEach tenant has a separate schema within the same database.
   • BData is encrypted and stored in a single file, with access controlled by file permissions.
   • CAll tenants share the same database, and data is separated by a tenant identifier in each record.
   • DEach tenant has a separate database instance with dedicated hardware.
   Reveal Solution Discussion Select an answer first
5. 14foundation · easy

   What is a key implication of the shared infrastructure model in multi-tenancy for resource allocation?

   • AEach tenant is guaranteed a fixed amount of CPU and memory at all times.
   • BEach tenant runs on a separate virtual machine, so resource allocation is isolated.
   • CTenants can consume unlimited resources as long as they pay for them.
   • DResources are shared among tenants, and limits are enforced to prevent any single tenant from degrading others' performance.
   Reveal Solution Discussion Select an answer first
6. 15foundation · easy

   Which of the following is an example of a governor limit in Salesforce?

   • AMaximum size of an email attachment.
   • BMaximum number of SOQL queries per Apex transaction.
   • CMaximum number of users per Salesforce org.
   • DMaximum number of custom fields per object.
   Reveal Solution Discussion Select an answer first