フリー問題

問題文

The security team wants a second factor for every administrator, and one manager suggests that a code by text message would be easiest. What kind of second factor is accepted, and where is the requirement imposed on everybody at once?

選択肢

1. The second factor accepted is some separate channels on each device, and where the requirement is imposed on everybody at once is the tenant policy in this configuration.
2. The second factor accepted is some separate generators on each device, and where the requirement is imposed on everybody at once is the tenant key in this configuration.
3. The second factor accepted is some separate generators on each device, and where the requirement is imposed on everybody at once is the tenant policy in this configuration.
4. The second factor accepted is some separate channels on each device, and where the requirement is imposed on everybody at once is the tenant key in this configuration.