A network administrator is troubleshooting a DMVPN setup between the hub and the spoke. Which action should the administrator take before troubleshooting the IPsec configuration?

An engineer must design a solution to provide backup connectivity between two sites. The engineer plans to use an Internet connection but company policy requires the connection to be encrypted. Additionally, there are several applications that utilize multicast to deliver video streams between the sites. Which technology should the design include?

Which NETCONF operation creates filtering that is specific to the session notifications?

Which two statements about VRRP object tracking are true? (Choose two)

When IPsec VPNs are designed, what is a unique requirement if support for IP Multicast is required?