Refer to the exhibit. On the basis of the network topology shown, which devices or software applications provide encapsulation and encryption for the VPN traffic?

Refer to the exhibit. On the basis of the network topology shown, which devices or software applications provide encapsulation and encryption for the VPN traffic?

• VPN client software installed on the machines of the users at the regional office only
• PIX firewall appliance at the corporate network and regional office only
• Routers and PIX firewall appliance at the corporate network and the routers and PIX appliance at all remote locations
• LAN switches and routers at the remote locations only
• Router and PIX firewall appliance at the remote locations only

Explanation: Figure shows the regional offices with routers and PIX firewall devices. The corporate office includes a router and a PIX firewall. The PIX firewall could also be replaced by a VPN concentrator.

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