The help desk reports that all newly installed desktop computers cannot access the companys file server. The help desk sends you the screen capture shown in the exhibit.

You need to resolve the network connectivity issue. The solution must adhere to the company policy. What should you instruct help desk to do?

A.
Modify Windows Firewall and enable File and Printer Sharing in the public profile.

B.
Modify Windows Firewall and enable File and Printer Sharing in the domain profile.

C.
Modify the network configuration and define the IPv4 default gateway.

D.
Modify the network configuration to automatically obtain an IP address and a DNS server address.

Explanation:
Topic 7, Contoso, Ltd

Scenario:

You are an enterprise desktop support technician for Contoso, Ltd.

IP Addressing

Contoso has one office. The IP addressing for Contoso is configured as shown in the following table.

Active Directory Configuration

You have an Active Directory forest that contains one domain named contoso.com. All domain controllers run Windows Server 2008 R2.

An OU exists for each department in the company.

The MainOffice Users and Computers OU contains the OUs for each department in the company. The Users OUs contains the user accounts for each department. The Computers OUs contain the computeraccounts for each department. The Domain Controllers OU contains the computer accounts for all domain controllers. The Servers OU contains the computer accounts for all other servers.

Custom Group Policy objects (GPOs) are linked to each departmental OU, the Domain Controllers OU, and the Servers OU.

Server Configuration

The relevant servers are configured as shown in the following table.

A year ago, a Windows Server 2008 R2 VPN server was deployed. Ten sales users participated in a pilot project to test the new VPN. The pilot project lasted two months. After the pilot project, the VPN server was put into production. The VPN server allows L2TP/IPSec-based VPN connections only. The VPN server requires certificate authentication.

Printer Configuration

Network printers are located in a single room on each floor. Users can search Active Directory to find printers that are nearby. Print1 is the print server for all printers.

Client Computer Configuration

Most users have desktop computers. Several users in the sales and management departments have portable computers because they travel frequently. All client computers run Windows 7 Enterprise.

The Windows Internet Explorer proxy settings are configured on all client computers by using a GPO named GPO-IE. GPO-IE is linked to the domain.

All users in the company use a custom application named App1. App1 is manually installed on all client computers. A new version of App1 is available. Some features in the new version of App1 are incompatible with the previous version of App1.