Module 12 – Exam

1. You are troubleshooting an Auto QoS issue on a Cisco IOS router. What should you check when performing your troubleshooting? Select three answers.

2. What three methods can be used to locate the Rendezvous Point (RP)? Select three answers.

3. What is the assigned IP Multicast address range? Select the best answer.

4. Which of the following would NOT be found in a standard IP Telephony implementation? Select the best answer.

5. DiffServ defines three sets of PHBs. What are these PHBs? Select three answers.

6. Which of the following allows Multicast routers to forward packets only if the source address of the Multicast packet is received on the same interface via which that address is known in the Unicast routing table? Select the best answer.

7. When troubleshooting packet loss issues in VoIP networks,  which of the following would you check? Select four answers.

8. You are troubleshooting a converged network and observe the following messages on the switch console:

3w4d: %ILPOWR-7-DETECT: Interface Gi5/0/1: Power Device detected: IEEE PD 3w4d: %ILPOWER-5-ILPOWER_POWER_DENY: Interface Gi5/0/1: inline power denied

Which of the following would be a valid reason for these messages to be printed by the switch? Select the best answer.

9. What signaling protocols would you expect to find in a VoIP implementation? Select three answers.

10. For what issues is QoS required when implementing IP Telephony solutions? Select three answers.

11. What queue management mechanism provides differentiated performance characteristics for different classes of service and also drops lower-priority traffic more aggressively than higher-priority traffic as the interface’s output queue begins to become congested? Select the best answer.

12. What two methods are supported by Cisco IOS Catalyst switches for providing inline power? Select two answers.

13. Click on the Exhibit.

Given the output in the Exhibit, which of the following statements are TRUE? Select two answers.

14. Intelligent queuing mechanisms can be used with RSVP to provide two kinds of services. What are these services? Select two answers.

15. What DHCP options can be used to provide IP phones with the IP address of the TFTP server? Select two answers.

16. You are troubleshooting a switch QoS issue. Other than looking at the switch configuration, what other command would you use to verify the CoS value that will be assigned to frames that are received from the device that is connected to the Cisco IP phone LAN port? Select the best answer.

17. When using Cisco IOS DHCP Server, what DHCP option would be used to provide IP phones with the IP address of a Network Time Protocol (NTP) server? Select the best answer.

18. Which of the following can be used to validate and troubleshoot IP Multicast operation? Select the best answer.

19. Which of the following allows receivers to request a Multicast data stream from a particular group address? Select the best answer.