HOTSPOT
Your company has an Office 365 subscription and uses Microsoft Lync Online. The environment includes the domains shown in the following image, and is configured as shown in the exhibit. (Click the Exhibit button.)
Lync is not deployed in a hybrid configuration.
An employee requires specific Lync communication settings. The employee’s account is configured as shown in the following image.
For each of the following statements, select Yes if the statement is true. Otherwise, select No. Each correct selection is worth one point.
Hot Area:
because the domain has been added as a local domain and is Active. because external access is on for allowed domains and Fabrikam.com is an allowed domain. is false because although the option is enabled in the global settings….. https://technet.microsoft.com/en-us/library/dn771172.aspx?f=255&MSPPError=-2147217396
Answer: 
Explanation:
Box 1: The employee can have Lync conversations with Lync users on the Contoso domain. This is true
Box 2: The employee can have Lync conversations with Lync users on the Fabrikam domain. This is true
Box 3: The employee can have Lync conversations with Skype users who sign in with a Microsoft account: This
…. it is disabled in the user account settings.
References:
The question screenshots is out of date, because check boxes “Lync users” and “People on public IM networks” changed to “External Skype for Business users” and “External Skype users”