Final answer:
A Webex Administrator can indeed restrict external communications including sending messages by setting up policies that control interactions with external organizations.
Step-by-step explanation:
The question is asking whether a Webex Administrator has the ability to restrict external communications, including the sending of messages. The correct answer is A.
Yes, the Webex Administrator can set policy restricting users from sending messages to external organizations. They have access to administrative settings that allow them to establish and enforce policies concerning communication with external users to ensure data privacy and security. This can include restrictions on sending messages, making calls, or sharing files with users outside of the organization.
A Webex Administrator can indeed restrict external communications including sending messages by setting up policies that control interactions with external organizations.