CCNA 4 Chapter 3 v5 Exam Answers 2016

1.. Which address is used in the Address field of a PPP frame?

2. How does PPP interface with different network layer protocols?

3.  Match the PPP option with the correct description. (Not all options are used.)

4. Which command can be used to view the cable type that is attached to a serial interface?

5. In which situation would the use of PAP be preferable to the use of CHAP?

6. Which protocol will terminate the PPP link after the exchange of data is complete?

7

Refer to the exhibit. Which statement describes the status of the PPP connection?

8. Which is an advantage of using PPP on a serial link instead of HDLC?

9. Which three statements are true about PPP? (Choose three.)

10. When configuring Multilink PPP, where is the IP address for the multilink bundle configured?

11. Which field marks the beginning and end of an HDLC frame?

12

Refer to the exhibit. Based on the debug command output that is shown, which statement is true of the operation of PPP.

13. During a PPP session establishment phase, which two messages are sent by the requested party if the options are not acceptable? (Choose two.)

14. A network administrator is evaluating authentication protocols for a PPP link. Which three factors might lead to the selection of CHAP over PAP as the authentication protocol? (Choose three.)

15. Match the steps to the PPP CHAP authentication process sequence. (Not all options are used.)

16. What are three components of PPP? (Choose three.)

17

Refer to the exhibit. A network administrator is configuring the PPP link between the two routers. However, the PPP link cannot be established. Based on the partial output of the show running-config command, what is the cause of the problem?​

18. Which PPP option can detect links that are in a looped-back condition?

19. Which three are types of LCP frames used with PPP? (Choose three.)

20. At which layer of the OSI model does multiplexing take place?

21. Match the phases of establishing a PPP session in the correct order. (Not all options are used.)

22. Which three physical layer interfaces support PPP? (Choose three.)

23

Open the PT Activity. Perform the tasks in the activity instructions and then answer the question.
Why is the serial link between router R1 and router R2 not operational?

24. Which serial 0/0/0 interface state will be shown if no serial cable is attached to the router, but everything else has been correctly configured and turned on?

25. What PPP information will be displayed if a network engineer issues the show ppp multilink command on Cisco router?

26. Refer to the exhibit. What type of Layer 2 encapsulation will be used for connection D on the basis of this configuration on a newly installed router:

RtrA(config)# interface serial0/0/0
RtrA(config-if)# ip address 128.107.0.2 255.255.255.252
RtrA(config-if)# no shutdown

27.  A network engineer is monitoring an essential, but poor quality, PPP WAN link that periodically shuts down. An examination of the interface configurations shows that the ppp quality 90 command has been issued. What action could the engineer take to reduce the frequency with which the link shuts down?

28. A network engineer is troubleshooting the loss of MPEG video viewing quality as MPEG video files cross a PPP WAN link. What could be causing this loss of quality?