Which of the following features enhances call security in Webex Calling?

Dual-factor authentication significantly enhances call security in Webex Calling by adding an extra layer of verification beyond just a username and password. In a typical authentication process, a user simply needs to enter their credentials to gain access. However, with dual-factor authentication, after entering the password, users are required to provide a second form of identification, which is often a temporary code sent to their mobile device or generated by an authentication application. This measure greatly reduces the risk of unauthorized access, even if a password is compromised, ensuring that only verified users can make calls or access sensitive information.

This method is critical in today's security landscape, where account breaches are prevalent, and it acts as a deterrent to potential intruders. Implementing dual-factor authentication makes it significantly more difficult for someone to impersonate a legitimate user, thus enhancing the overall security of the Webex Calling platform.