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To increase remote-access security, which device can be used in addition to IDS or an IPS:
RAS
VPN concentrator
Tunneling
RADIUS
A VPN concentrator primarily adds the capabilities of a VPN router by adding advanced data and network security to the communications. It has the ability to create and manage a large quantity of VPN tunnels. Reference in the CBK? [edit: wouldnt Radius add more security than a concentrator?]
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