Answer:
its the fourth option (none of these should be used)
A string variables??? I'm not sure does this have any multiple choice
Answer:
Access control
Explanation:
A computer network connects two or more computer devices to communicate and share resources. When computers or workstations in a network are connected, data can be directly transferred from a source to a target workstation.
In most cases in an enterprise network, there is a need to restrict access to certain information or resources, so access control protocols are used to secure sensitive information from unauthorized view.
Answer: Visualforce page with a custom controller, how should a developer retrieve a record by using an ID
Explanation: