A company has 10 portable client computers that run Windows 8.
The portable client computers have the network connections described in the following table.

None of the computers can discover other computers or devices, regardless of which
connection they use.
You need to configure the connections so that the computers can discover other computers
or devices only while connected to the CorpWired or CorpWifi connections.
What should you do on the client computers?

A.
For the CorpWired connection, select yes, turn on sharing and connect to devices.

B.
Change the CorpWired connection to public. Turn on network discovery for the Public
profile. For the HOTSPOT connection, select No, don’t turn on sharing or connect to
devices.

C.
For the CorpWifi connection, select yes, turn on sharing and connect to devices.

D.
Turn on network discovery for the Public profile.

E.
Turn on network discovery for the Private profile.

Explanation:
Explanation/Reference:
By design Public profile as Sharing set to no and Private profile set to Yes
But it Says “None of the computers can discover other computers or devices, regardless of
which connection they use” so you need to review the full config.
You can change it by doing that
Firewall Profil (for Windows 7)

http://technet.microsoft.com/en-us/library/getting-started-wfas-firewallprofilesipsec%28v=ws.10%29.aspx