1. Refer to the following output:
Router#show ip nhrp detail10.1.1.2/8 via, Tunnel1 created 00:00:12, expire 01:59:47Type: dynamic, Flags: authoritative unique nat registered usedNBMA address:
What does the authoritative flag mean in regards to the NHRP information?
2. Which common issue causes intermittent DMVPN tunnel flaps?
3. Which Cisco IOS VPN technology leverages IPsec, mGRE, dynamic routing protocol, NHRP, and Cisco Express Forwarding?
4. A company has just opened two remote branch offices that need to be connected to the corporate network. Which interface configuration output can be applied to the corporate router to allow communication to the remote sites?
5. Which Cisco VPN technology can use multipoint tunnel, resulting in a single GRE tunnel interface on the hub, to support multiple connections from multiple spoke devices?
6. 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?
7. Which protocol is used in a DMVPN network to map physical IP addresses to logical IP addresses?
8. A network engineer is troubleshooting a DMVPN setup between the hub and the spoke. The engineer executes the command “show crypto isakmp sa” and observes the output that is displayed. What is the problem?
9. A network engineer wants to display the statistics of an active tunnel on a DMVPN network. Which command should the administrator execute to accomplish this task?
10. Which two phases of DMVPN allow the spoke site to create dynamic tunnels to one other? (Choose two)
11. Which two commands configure on a DMVPN hub to enable phase 3? (Choose two)
12. During which DMVPN phase is spoke-to-spoke communication enabled?
13. Which protocols support DMVPN?
14. Which two protocols are required for DMVPN? (Choose two)
15. What is the NHRP role in DMVPN? (Choose two)