Updated JN0-280 Dumps (V9.02) – Help You Pass Your Juniper Data Center, Associate (JNCIA-DC) Exam Successfully Before November 17, 2024

1. Which of the following is an important consideration when configuring BFD?

2. In the context of Layer 2 switching, what does RSTP stand for?

3. What is the default route preference for a static route on a Junos device?

4. Which statement is correct about a five-stage IP fabric topology?

5. What is the primary purpose of using aggregate routes in a network?

6. In the context of data center networking, what is the primary purpose of an Underlay Network?

7. What is the primary difference between IBGP and EBGP?

8. What is an advantage of using BFD?

9. Bidirectional Forwarding Detection (BFD) is primarily used for:

10. What is the function of the 'Weight' attribute in BGP, and where is it used in the route selection process?

11. VLANs help in reducing which of the following? (Choose two)

12. In the Junos OS, what is the default behavior of a switch when it receives a frame with an unknown destination MAC address?

13. Which of the following BGP attributes is considered first in the route selection process?

14. When troubleshooting issues with static routes, what is a key factor to check first?

15. What is the main advantage of using an Overlay Network in a data center?

16. What are the different OSPF area types? (Choose two)

17. In OSPF, what is the function of the Link-State Database (LSDB)?

18. What are two characteristics of a typical EBGP underlay fabric? (Choose two.)

19. Referring to the exhibit, how many broadcast domains are present in the topology?

20. How can OSPF be configured to prefer one route over another?

21. In the context of protocol-independent routing, what is the main difference between static and generated routes?

22. Which LSA types are associated with OSPF? (Choose three)

23. Referring to the exhibit, which statement is correct?

24. Which of the following is a key benefit of implementing High Availability (HA) in a network?

25. In OSPF, which command is commonly used to monitor neighbor relationships?

26. What protocol and port does BGP use for control plane communication?

27. Referring to the exhibit, how many milliseconds will pass before the BGP neighbor is considered dead?

28. What is the purpose of using route reflectors in BGP?

29. What does the “qualified-next-hop” feature do when configuring a static route?

30. In the context of Ethernet bridging on Junos devices, what is the purpose of the Spanning Tree Protocol (STP)?

31. Which statement is correct about the OSPF link-state database?

32. In a Spine/Leaf IP-Fabric architecture, what is the primary role of the leaf switches?

33. What is the primary function of a VLAN?

34. What roles do the Designated Router (DR) and Backup Designated Router (BDR) play in OSPF?

35. Which two statements are correct about BGP? (Choose two.)

36. Which of the following are correct about OSPF router ID selection? (Choose two)

37. EVPN/VXLAN is primarily used in modern data centers to:

38. With regards to graceful restart, which two statements are true? (Choose two.)

39. Which command on a router is used to view the current routing table?

40. What does filter-based forwarding in networking typically allow?

41. In troubleshooting a Virtual Chassis setup, what is a common issue to look for?

42. In OSPF, which term refers to routers that have interfaces in multiple areas?

43. Which of the following are true about Layer 2 and Layer 3 strategies in data center architectures? (Choose two)

44. When configuring static routes, which command is typically used?

45. Which Junos operational mode command is used to troubleshoot issues with VLANs?

46. Which two statements are correct about aggregated Ethernet bundles? (Choose two.)

47. Referring to the exhibit, what needs to be done to make this a valid IP fabric?

48. What is the main advantage of using MACsec?

49. When configuring BGP, which command is commonly used to define a BGP neighbor?

50. What is the first route selection mechanism for IBGP?

51. What happens if a frame with a known destination MAC address enters a switch?

52. Which statement is correct about OSPF?

53. How does VLAN tagging benefit network segmentation?

54. In networking, what is a RIB group primarily used for?

55. Fill in the blank: In BGP, a route received from an ___________ peer will not be advertised to another ___________ peer by default.

56. Which of the following are true regarding port modes in a VLAN setup? (Choose two)

57. What is a VLAN?

58. How does a layer 2 switch populate its bridge table?

59. Which two prefixes are contributing routes to a 10.20.0.0/18 aggregate route? (Choose two)

60. Under which Junos hierarchy is a static route configured?

61. What is the primary purpose of using static routes in a network?

62. In a Virtual Chassis configuration, which of the following is true?

63. In a traditional multi-tier architecture, which layer is responsible for aggregating access layers and providing connectivity to the core layer?

64. In the context of Link Aggregation Groups (LAG), what is the primary purpose of LACP?

65. What is the primary purpose of MAC address filtering on a switch?

66. In Ethernet switching, what is the primary function of a storm control policy?

67. What is the primary role of an IRB interface in a VLAN configuration?

68. Referring to the exhibit, which two statements are true? (Choose two.)

69. Filter-based forwarding is typically used to:

70. Which two statements describe an OSPF ABR? (Choose two.)