Which is a requirement for performing attack detection by use of anomaly detection technologies?

You are designing a multisite VPN solution for a customer and you are concerned with the additional overhead of point-to-point tunnels and the associated overlay routing with
DMVPN. How does a GDOI-based VPN eliminate the additional tunnel and routing overhead found in DMVPN?

According to the network provided in the following exhibit, all routers are performing OSPF on all links and all links have the same cost.
OSPF timers have not been modified on any router.
Which network will converge faster, and why, if the link between 10.1.1.0/24 and router P4S-RA fails?

Which description is true about RSVP reservations?

You are tasked to design a QoS policy for a service provider so they can include it in the design of their MPLS core network. If the design must support an MPLS network with six classes, and CEs will be managed by the service provider, which QoS policy should be recommended?