A network administrator receives a call from the sales department requesting ports 20 and 21 be opened on the company’s firewall to allow customers to retrieve a large file. Which of the following should the administrator perform BEFORE making the needed changes?

Document the reason for the request
Scan the file for malware to protect the sales department’s computers
Follow the company’s approval process for the implementation
Install a TFTP server for the customers to use for the transfer
Create a honeypot to store the file on for the customers to use
Write the SLA for the sales department authorizing the change