Because Apex runs in a multitenant environment, the Apex runtime engine strictly enforces a number of _____________________ensure that runaway scripts do not monopolize shared resources.
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A. B. C. D. E.D.
Governor limits help to ensure the stability and performance of each org inside SFDC shared infrastructure.
The correct answer is D. Governor limits.
Salesforce's Apex programming language runs on the Salesforce platform, which is a multi-tenant environment. In such an environment, resources are shared among multiple tenants (i.e., organizations or customers), and it is essential to ensure that one tenant's activities do not monopolize shared resources and affect other tenants' performance.
To enforce this, the Apex runtime engine has a set of limits known as Governor Limits. These limits apply to various aspects of Apex code execution, such as CPU time, heap size, number of database records accessed, and number of queries executed. The governor limits act as a safeguard against runaway scripts or code that may consume excessive resources or take a long time to execute.
Here are some examples of Governor Limits in Salesforce:
CPU time limit: Apex code execution is limited to a maximum of 10,000 milliseconds (10 seconds) per transaction. If the code exceeds this limit, it will throw a CPU time limit exceeded exception.
Heap size limit: Apex code has a maximum heap size limit of 6 MB per transaction. If the code exceeds this limit, it will throw a heap size limit exceeded exception.
SOQL query limit: Apex code can execute a maximum of 100 SOQL queries per transaction. If the code exceeds this limit, it will throw a too many SOQL queries exception.
By enforcing Governor Limits, Salesforce ensures that all tenants get a fair share of resources and that no one tenant monopolizes them. It also helps to ensure that the platform remains performant and responsive for all users.