CCNA R&S2(book)

1. Which of the following statements are true about the presentation layer in the OSI model?

Question 1 of 50

2. What are the sublayers of the Data Link layer in the OSI model?

Question 2 of 50

3. What CDP debug command produces this output?



Question 3 of 50

4. What is the destination MAC address of an ARP Request packet?

Question 4 of 50

5. When connecting to a Cisco device over the console port, what is the "bits per second" value that you need to set up in your terminal application?

Question 5 of 50

6. What command shows a brief summary of all interfaces?

Question 6 of 50

7. You execute the traceroute command and see the below output. How many hops away is the IP address to which the traceroute command was executed?



Question 7 of 50

8. You are shown this output. How many usable VLANs are there?



Question 8 of 50

9. Which statements about access ports are true?

Question 9 of 50

10. What is the size of the 802.1q tag?

Question 10 of 50

11. When will a trunk not be formed?

Question 11 of 50

12. You see this log on a switch. What command was issued on SWITCH-2?


*Mar 29 10:04:55.564: %CDP-4-NATIVE_VLAN_MISMATCH: Native VLAN mismatch discovered on GigabitEthernet1/0/2 (1), with SWITCH-2 GigabitEthernet1/0/2 (100).

Question 12 of 50

13. Which of the following are the main methods to create interVLAN routing?

Question 13 of 50

14. What is the correct configuration on the router for inter VLAN routing?



Question 14 of 50

15. Which of the following are the steps to configure a subinterface on a router for inter VLAN routing?

Question 15 of 50

16. What command returns this output?



Question 16 of 50

17. Which of the following are some advantages of VTP version 3 over VTP version 1 or version 2?

Question 17 of 50

18. Which switch relays VTP messages in this diagram?



Question 18 of 50

19. In which subnet is host

Question 19 of 50

20. What is the best summary route for the following routes:,,,

Question 20 of 50

21. What alternative IPv6 representations of 3FFF:1234:0000:0000:020C:0000:FEA7:F3A0 IPv6 address are valid?

Question 21 of 50

22. What is the prefix assigned to the link-local IPv6 addresses?

Question 22 of 50

23. A PC has the following MAC address: 00.11.AA.BB.CC.DD. What is the EUI-64 address generated for this MAC?

Question 23 of 50

24. What is the ISATAP identifier?

Question 24 of 50

25. Which of the following are some of the Neighbor Discovery Protocol features?

Question 25 of 50

26. Traffic destined to reaches the router, and the router has the following subnets in the routing table:,,, and Which route will be used to forward the traffic?

Question 26 of 50

27. What is the Administrative Distance of External EIGRP?

Question 27 of 50

28. Which of the following statements about OSPF operation are true?

Question 28 of 50

29. Which of the following are OSPF router types?

Question 29 of 50

30. Which of the following is not a state through which a DHCP client goes during IP assignment?

Question 30 of 50

31. What command needs to be applied under a router interface whose IP address should be assigned through DHCP?

Question 31 of 50

32. Which of the following are some of the steps involved in configuring DHCP server functionality on Cisco IOS?

Question 32 of 50

33. Considering the diagram below, what needs to be configured and on which routers so that the client can be assigned an IP address through DHCP?



Question 33 of 50

34. Which of the following ACL commands will allow EIGRP traffic?

Question 34 of 50

35. Which of the following are some of the most common NAT configuration errors?

Question 35 of 50

36. You see the below output. What is the type of NAT configured?




Question 36 of 50

37. Based on the below output, which statements are true?



Question 37 of 50

38. How long does it take for a port to transition from Learning state to Forwarding state based on the below output?



Question 38 of 50

39. Considering the below output, what will be the SWITCH-2 priority after the command "spanning-tree vlan 100 root primary" is configured on SWITCH-2?



Question 39 of 50

40. Based on the below diagram, what port will be in blocking state?



Question 40 of 50

41. Based on the below diagram, which port will have the role of a root port?



Question 41 of 50

42. What port role is defined by this phrase: "This elected port forwards data in the active topology"?

Question 42 of 50

43. You see the below output. Which statements are true?



Question 43 of 50

44. Which OSPF state is described by "OSPF routers send LSR packets to request more recent instances of LSAs that have not been received during the Exchange state. The updates sent are placed in a link state retransmission link until acknowledgments are received. When OSPF routers receive LSRs, they respond with an LSU (link state update) containing the required information"?

Question 44 of 50

45. Which LSA type provides information about destinations outside the local area?

Question 45 of 50

46. You have the below output for route in the EIGRP topology table. To what value should the variance be set so that both next-hops will appear in the main routing table?



Question 46 of 50

47. Which FHRP allows you to use a physical IP address as a virtual IP address?

Question 47 of 50

48. Which of the following are advanced security features that SNMPv3 provides but SNMPv2c or SNMPv1 does not?

Question 48 of 50

49. Which of the following are the components of PPP?

Question 49 of 50

50. Which bit is marked on frames that have a lower importance than other frames?

Question 50 of 50


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