You are the domain administrator for ABC.com. Client systems in use include Windows 2000
Professional and Windows XP Professional for most locations. For branc office one, the exception
would be six Window 98 clients that are still in use. Server systems in use include 2000 Server
and Server 2003.
Branch office one has all of the clients using DHCP locally and interconnected locally by a layer 2
switch and back to the main office via a router and a private leased line. There are a total of 43
host systems at this location, including the installed servers.
Branch office two has all of the clients using DHCP and connected locally by a layer 3 switch and
back to the main office via a Windows Server 2003 Routing and Remote Access server and an
ISP connection to a VPN server at company headquarters. There is a slower, secondary demand-dial connection back to the main office that is used if the primary connection goes down. There are
a total of 39 host systems at this location including the installed servers.
Branch office three has all of the clients using DHCP and connected locally by a layer 3 switch and
back to the main office via an ISP connection to a VPN server at company headquarters. There
are a total of 22 host systems at this location including the installed servers.
You need to provide a security configuration for data transmissions that occur over the Internet to
the main company headquarters so that all of this data is secured against tampering and
unauthorized modification.
How would this be accomplished in your environment by performing only the required steps, not
adding any additional resource load to the servers or networks than is absolutely necessary to
accomplish the required tasks, and using the least amount of administrative effort?
Select all that apply.

A.
The Microsoft L2TP/IPSec VPN Client would not be needed for any of the systems in use.

B.
The Microsoft L2TP/IPSec VPN Client needs to be installed on all Windows 98 system making
VPN connections to the company headquarters via the RRAS server connection.

C.
The Microsoft L2TP/IPSec VPN Client needs to be installed on all Windows 98 system making
the connections to the VPN server individually by way of the PPTP adapter.

D.
For securing the required traffic, the Encapsulating Security Payload (ESP) is needed as the
security method.

E.
For securing the required traffic, the Authentication Header (AH) is needed as the security
method.

F.
The Microsoft L2TP/IPSec VPN Client needs to be installed on all Windows 98 system using
the Dial-up Networking version 1.4 uABCrade if they were making the connections to the VPN
server individually.