Which statement is true regarding the dynamic VPN feature for Junos devices?

Which statement is true regarding the dynamic VPN feature for Junos devices?

Which statement is true regarding the dynamic VPN feature for Junos devices?

A.
It is supported on all SRX devices.

B.
Preshared keys for Phase 1 must be used.

C.
Aggressive mode is not supported.

D.
Only route-based VPNs are supported.



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For dynamic VPN tunnels, aggressive mode must be configured and only preshared keys are supported for Phase 1 authentication. A group IKE ID is used and the maximum number of connections is set to 10. Because dynamic VPNs must be policy-based VPNs, a security policy must be configured to forward traffic to the tunnel.

http://www.juniper.net/documentation/en_US/junos12.3×48/topics/example/vpn-security-dynamic-example-configuring.html

The dynamic VPN feature is not supported on high-end SRX Series devices or on branch SRX Series devices in a chassis cluster.

http://www.juniper.net/techpubs/en_US/junos12.1×47/topics/concept/vpn-security-dynamic-overview.html