Updated Nokia Certification 4A0-C02 Dumps Questions – Pass 4A0-C02 Exam Smoothly

1. Click on the exhibit.

AS 65540 is using MPLS to provide BGP shortcuts for its iBGP routing.

Which routers must be configured with the "configure router bgp igp-shortcuts rsvp-te" command?

2. Click the exhibit.

Routers RR1 and RR2 are route reflectors with the same Cluster-ID.

How does router RA treat the updates for prefix 192.168.1.0/27 received from routers RR1 and RR2?

3. Which of the following statements about the BGP Advertise External feature is FALSE?

4. An Alcatel-Lucent 7750 SR receives a route from an eBGP peer without a MED.

What MED value is sent to iBGP peers?

5. Which of the following best describes the relationship between locally configured policies and the direction of traffic?

6. Click the exhibit.

Router R1 is advertising prefix 192.168.1.0/27 with community "no-export.

Which routers will receive an update for that prefix?

7. Which of the following statements regarding BGP Add-Paths is FALSE?

8. Click the exhibit.

Router R6 is a route reflector for clients R1, R2 and R5. Router R5 is configured with a local preference of 200.

On which routers is "advertise-external* needed for router R6 to receive exactly two distinct routes for prefix 192.168.1.0/27?

9. Which of the following is NOT considered an option of export policies?

10. What is the result of configuring the following policy statement as a BGP import policy on the Alcatel-Lucent 7750 SR?

11. Click the exhibit.

Router R6 is a route reflector with clients R1, R2, R4 and R5. R4 receives three routes from router R6 and is configured with ECMP 3.

Given the following BGP configuration on router R4, how many primary and backup paths will be present in router R4's BGP routing table?

12. Which of the following is TRUE if the state of one BGP neighbor shows Active?

13. Which of the following is TRUE if a BGP session state is Connect?

14. A BGP router has loopback interfaces 192.168.1.1/27 and 192.168.2.1/27 advertised into BGP using the following export policy. The "aggregate 192.168.0.0/16" command is executed.

What is the effect of this configuration?

15. An Alcatel-Lucent 7750 SR has the BGP configuration shown below.

Assuming the router has established BGP sessions to routers R1 and R2, which of the following is TRUE?

16. What kind of BGP attribute is the Local Preference?

17. What are the well-known mandatory BGP attributes?

18. Click the exhibit.

Which of the following statements best describes the BGP sessions within the given network?

19. A router in AS 65100 receives three routes for 138.120.0.0/16. The first route has an AS Path of 65200 65400 65300 and a local preference of 150. The second route has an AS Path of 65200 65300 and a local preference of 100. The third route has an AS Path of 65600 65300 and a local preference of 100.

Which route will appear in the RIB-out?

20. Click the exhibit.

Assuming router A is configured with "next-hop-self", what does the BGP update for prefix 192.168.0.1/27 contain when it arrives at router B?

21. Click the exhibit.

If router A originates a BGP route for prefix 192.168.0.1/27, what will the update contain when it reaches router B?

22. Which of the following behaviors regarding the modification of BGP attributes within a confederation is TRUE?

23. An Alcatel-Lucent 7750 SR receives two updates for the same route with local preferences 200 and 300, respectively.

What local preference is sent to eBGP peers?

24. Which of the following statements regarding BGP control plane convergence is FALSE?

25. Click the exhibit.

Router R1 is a route reflector with clients R2, R5 and R6. Prefixes advertised by router R5 have a local preference of 200. Router R3 advertises the prefix 192.168.1.0/27 to routers R5 and R6.

Assuming that none of the routers in AS 65540 is configured with "advertise-external", what is the expected output of "show router bgp routes on router R1?

26. BGP is configured on two peers, routers A and

B. Router A is configured with a Hold Time timer of 60 seconds and a Keepalive timer of 25 seconds. Router B is configured with a Hold Time timer of 90 seconds and a Keepalive timer of 70 seconds.

What will the active Keepalive timer be on router B?

27. Which of the following AS Paths will match the regular expression "65100."?

28. Click the exhibit.

Routers RR1 and RR2are route reflectors with clients R1x and R2x, respectively. Routers RR1 and RR2 are non-clients of each other, and router R1 is a non-client of both.

Which of the following regarding BGP sessions in AS 65540 is TRUE?

29. Click the exhibit.

AS 65550 owns CIDR block 10.64.0.0/12. Router R3 is advertising Client1 and Client2 networks into BGP. Router R6 advertises the aggregate 10.64.0.0/12 to AS 65541 with "summary-only" enabled.

Which of the following routes are received by router R7?

30. Click the exhibit.

AS 65550 owns CIDR block 10.64.0.0/12. Router R6 advertises the aggregate 10.64.0.0/12 to AS 65541 with "as-set" enabled.

Which of the following is TRUE regarding the aggregate route received by router R7?

31. Click the exhibit.

Routers RR1 and RR2 are route reflectors with the same Cluster-ID.

When the update for prefix 192.168.1.0/27 is received at router RA2, what are the Originator_ID and Cluster_List attributes?

32. Which of the following is TRUE?

33. What is the result of configuring the following policy statement as a BGP import policy on the Alcatel-Lucent 7750 SR?

34. Click the exhibit.

Router R2 receives a route to 192.168.1.0/27 from router R4, and sets the local preference to 110. Router R1 receives a route to 192.168.1.0/27 from router R3, and sets the local preference to 80. Both ASs have a full iBGP mesh.

What path does traffic destined to 192.168.1.0/27 take from router R1?

35. Based on the default settings for the Alcatel-Lucent 7750 SR, when a policy change is made and committed, what action is required by the user for the change to take effect?

36. Which of the following is NOT a goal of BGP routing policies?

37. Which of the following regarding the atomic aggregate attribute is TRUE?

38. What will happen if an update is received with an unrecognized optional non-transitive attribute?

39. Which of the following about a single-homed AS is FALSE?

40. Router R1, in AS 65540, has the export policy shown below. It advertises an aggregate route to eBGP peer router R2 in 65550.

What is the AS Path of the aggregate route received by router R2?

41. Which of the following statements regarding Internet Exchange Points is FALSE?

42. A confederated AS is comprised of three members. One member is comprised of 4 routers, while the other two members are comprised of 3 routers each.

Assuming member ASs are fully meshed and use full mesh iBGP, what is the required number of BGP sessions within the confederation?

43. Consider two Alcatel-Lucent 7750 SRs in AS 65540. Router R1 has system address 10.10.10.1, and router R2 has system address 10.10.10.2.

Which of the following configurations on router R2 can establish a BGP session with router R1?

44. Click the exhibit.

An update travels from AS 137000 to AS 135000, traversing both 32-bit and 16-bit AS Paths.

What AS Path is seen by AS 200?

45. Which of the following regarding BGP confederations is FALSE?

46. What class of attribute is Originator_ID?

47. Click the exhibit.

Considering that both routers C and D are advertising the eBGP learned prefix 10.5.0.0/16 into ISP X, which of the following best describes the route advertisement within ISP X?

48. Click the exhibit.

Which of the following about the relationship between ISP 1 and ISP 3 is TRUE?

49. Which of the following is FALSE regarding the 16-bit public autonomous system numbers?

50. Which of the following is NOT considered an option of import policies?

51. Which of the following statements regarding BGP route selection is TRUE?

52. An Alcatel-Lucent 7750 SR is configured with a policy to export directly-connected networks to BGP.

Which of the following commands verifies that the export was successful?

53. Click the exhibit.

Given the following configuration for router R1, what is the expected Next Hop for prefix 192.168.1.0/27 as seen on router R2?

54. Click the exhibit.

An update travels from AS 135000 to AS 137000, traversing both 32-bit and 16-bit AS paths.

What will the AS Path be when the update reaches AS 137000?

55. Which regular expression will match the AS Path of a route originating in remote AS 65100?

56. Click the exhibit.

AS 65100 is advertising 192.168.1.0/27 into BGP.

Which of the following AS Paths would the prefix 192.168.1.0/27 contain when viewed on router R7?

57. Click the exhibit.

Router R1 is a route reflector with clients R2, R5 and R6. Prefixes advertised by router R5 have a local preference of 200. Router R3 advertises the prefix 192.168.1.0/27 to routers R5 and R6.

Assuming that none of the routers in AS 65540 is configured with "advertise-external", what is the expected output of "show router bgp routes" on router R2?

58. Click the exhibit.

Which of the following is a valid BGP configuration for router R2?

59. Click the exhibit.

Assuming that none of the routers within AS 65200 is configured with next-hop-self", what will the BGP update for the 192.168.0.1/27 prefix contain when it arrives at router B?

60. Click the exhibit.

Assume all router-IDs are properly configured.

Which of the following configurations is required on the Alcatel-Lucent 7750 SR router A to establish an IPv6 BGP session to router D?

61. Which of the following best describes the purpose of advertise-external?

62. Click the exhibit.

After router A receives the BGP update for the 10.3.3.0/24 prefix, which routers will the route be propagated to?

63. Click the exhibit.

Router R1 is a route reflector with clients R2, R5 and R6. Prefixes advertised by router R5 have a local preference of 200. Router R3 advertises the prefix 192.168.1.0/27 to routers R5 and R6.

Assuming that router R6 is configured with "advertise-external", what is the expected output of "show router bgp routes" when executed on router R5?

64. Click the exhibit.

Over which BGP session will router B learn the 10.1.1.0/24 prefix?

65. Click the exhibit.

Assume all router-IDs are properly configured, and IPv6 link-local addresses are used to establish all eBGP sessions.

Given the following iBGP configuration on router A, what is the Next Hop for prefix 2001:DB8:A:401::1/128 on router B?

66. A BGP session is in OpenConfirm state.

Which of the following messages must be received to transition to Established state?

67. Which of the following routes is NOT considered an internal route?

68. What happens to a route that is rejected by an import policy on an Alcatel-Lucent 7750 SR?

69. The configuration of an Alcatel-Lucent 7750 SR is given below.

Router R1 has established BGP sessions with routers R2 and R3.

Which of the following is TRUE?

70. Which of the following regarding "well-known discretionary'' BGP attributes is TRUE?

71. Which of the following statements regarding BGP FRR is FALSE?

72. Click the exhibit.

Routers RR1 are RR2 are redundant route reflectors for clients R3 and R4.

Which of the following is a valid configuration on router RR1?

73. Which of the following regarding route reflectors is TRUE?

74. Click the exhibit.

Assume all router-IDs are properly configured, and link-local IPv6 addresses are used to establish the eBGP sessions.

Which of the following is the MINIMAL configuration required on router A so that router B can exchange traffic with router D?

75. Which of the following parameters does NOT have to match for an iBGP session to be successfully established?

76. Click the exhibit.

AS 65100 is advertising 192.168.1.0/27 into BGP.

Which of the following AS Paths would the prefix 192.168.1.0/27 contain when viewed on router R8?

77. Click the exhibit.

Router R1 is a route reflector with clients R2, R5 and R6. Router R3 advertises the prefix 192.168.1.0/27 to routers R5 and R6.

Assuming that routers R1, R2 and R4 are configured with "add-paths ipv4 send 2 receive", what is the expected output of "show router bgp routes" when executed on router R2?

78. Assuming that "client1" and "client2" are directly-connected networks, what is the result of executing the following BGP policy?

79. Two Alcatel-Lucent 7750 SRs are established BGP peers with the following add-paths configuration:

R1: configure router bgp add-paths ipv4 send 4 receive

R2: configure router bgp add-paths ipv4 send 2

If router R1 advertises three routes for a given prefix X, how many routes is router R2 expected to have for prefix X?

80. Which of the following is TRUE if the local state of BGP is OpenConfirm?

81. Assuming that "client1" and "client2" are directly-connected networks, what is the result of executing the following BGP export policy?

82. An Alcatel-Lucent 7750 SR is configured with a local preference of 250.

If it receives a BGP update with a local preference of 500, what local preference is sent to its eBGP peers?

83. Which of the following is NOT a BGP message type?

84. Click the exhibit.

Which of the following is a valid confederation configuration for Router R2?

85. Click the exhibit.

When router A receives the BGP update for the 192.168.0.1/27 prefix, it propagates it to routers B and C.

What action is taken by router B when it receives the update?

86. Which of the following regarding the TTL of a BGP message is TRUE?

87. Why is a full mesh of iBGP peers required?

88. An Alcatel-Lucent 7750 SR receives a route from an iBGP peer with a MED value of 500.

What MED value is sent to eBGP peers?

89. What is the purpose of configuring a triggered-policy on an Alcatel-Lucent 7750 SR?

90. The following policies are configured and exported using "export "Policy-1" "Policy-2"".

Assuming both "Client-1" and "Client-2" are properly defined on the router, which routes are advertised?

91. Click the exhibit.

Router R3 is configured with an import policy to reject updates with an AS Path matching the regular expression ".+ 65540".

Which of the following regarding updates originating in AS 65540 is TRUE?

92. Which of the following statements regarding route reflectors is TRUE?

93. Click the exhibit.

Given the following configuration of router R1, what can be said about the function of each of AS 65540s routers?

94. The user of an Alcatel-Lucent 7750 SR wants to see the effect of changing an import policy immediately.

What is the best command to force re-evaluation of the import policy with minimal impact?

95. Assuming that "client1" and "client2" are directly-connected networks, what is the result of executing the following BGP export policy?

96. Click the exhibit.

Assuming a full iBGP mesh in ISP 1, how does router R1 in ISP 1 handle a BGP update received from ISP 2?

97. Click the exhibit.

Given that ISP 1 and ISP 2 are Tier 2 providers, and that ISP 3 and ISP 4 are Tier 1 providers, what is the most likely relationship between ISP 1 and the other ISPs?

98. Which of the following prefix-lists is the most specific match for prefixes 192.168.64.1/20 and 192.168.32.5/19?

99. Which of the following regarding BGP Path Identifier is FALSE?

100. Click the exhibit.

Routers RR1 are RR2 are redundant route reflectors for clients R3 and R4.

Which of the following is a valid configuration on router R3?