Test Online JN0-281 Dumps Questions to Be Certified

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April 1, 2025

To help prepare for the JN0-281 exam, you may want to consider using JN0-281 exam dumps questions. These questions are designed to test your knowledge and understanding of the topics covered on the exam. The more you practice answering JN0-281 dumps questions, the more comfortable you will become with the exam format and the types of questions you can expect to see. JN0-281 dumps can help reduce anxiety on exam day and improve your chances of success. Go and test free JN0-281 exam dumps questions here.

Page 1 of 6

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

The configuration will not pass the commit check.

The BGP group is configured to attempt an EBGP peering session with 192.168.100.2.

The configuration will pass the commit check.

The BGP group is configured to attempt an EBGP peering session with 192.168.100.1.

2. Exhibit:

Referring to the exhibit, which two statements are correct about default BGP advertisements? (Choose two.)

When routes advertised by router2 are received by the SP router, they will contain the next-hop address of router2.

When routes advertised by router2 are received by the SP router, they will contain the next-hop address of router1.

When routes advertised by the SP router are received by router2, they will contain the next-hop address of the SP router.

When routes advertised by the SP router are received by router2, they will contain the next-hop address of router1.

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

It allows physical stacking of switches that are geographically dispersed.

It reduces the operational complexity of managing multiple switches.

It decreases network redundancy and reliability.

Only two switches can be connected in a Virtual Chassis setup.

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

To prevent loops in the network.

To restrict the rate of certain types of traffic.

To filter MAC addresses.

To segregate broadcast domains.

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

Rapid Spanning Tree Protocol

Routing Switch Transport Protocol

Redundant Switching Tree Protocol

Resilient Switching Transport Protocol

6. Which two statement are correct about trunk ports? (Choose two.)

Trunk ports typically connect to other switches and routers.

By default, trunk ports can transmit and receive VLAN tagged traffic.

Trunk ports typically connect to end users and servers.

By default, trunk ports can transmit and receive untagged traffic.

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

IBGP, IBGP

EBGP, EBGP

EBGP, IBGP

Static, Dynamic

8. What is the default route preference of a static route in the Junos OS?

9. You want to enable a Junos device to support aggregated Ethernet interfaces. In this scenario, which configuration hierarchy would you use?

[edit switch-options]

[edit system]

[edit interfaces]

[edit chassis]

10. What is an aggregate route?

a static route with only one contributing route

a group of IP addresses to which a router will not forward traffic

a mechanism that allows multiple routes to be summarized into a single route

often called the route of last resort

Page 2 of 6

11. Which operation mode command will display the mapping between the VLAN ID and ports on a switch?

show route

show ethernet-switching table

show interfaces terse

show vlans

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

To control the flow of encrypted data.

To limit the rate of incoming packets.

To prevent unauthorized devices from accessing the network.

To distribute traffic evenly across multiple links.

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

A supported routing protocol, such as BGP, must be operational for graceful restart to work.

NSR must be enabled for graceful restart to work.

Dual routing engines are required for graceful restart to work.

The network topology must be stable for graceful restart to work.

14. Which statement is correct about IBGP?

It requires a physical full mesh.

It requires a logical full mesh.

It ensures that the local and remote peers use different AS numbers.

It ensures that duplicate AS numbers are not present in the AS path.

15. Referring to the exhibit, you notice that after committing the configuration, the ae0 and ae1 interfaces appear in a link down state.

Which statement is correct in this scenario?

No operational interfaces have been added to the LAG interfaces.

No traffic is traversing the LAG interfaces.

The LAG interfaces are in a passive state.

The LAG interfaces are in aggressive mode.

16. What are two common reasons for BGP routes to be in the hidden state? (Choose two.)

Routes are being rejected by a policy

Routes are being filtered from the inet.2 routing table

The next hop is unresolvable

The BGP neighbor is in a different autonomous system

17. Layer 2 interfaces operate in which two modes? (Choose two.)

Access

Modular

Trunk

Tagged

18. When configuring High Availability components, which of the following practices are recommended? (Choose two)

Regularly update firmware to non-recommended versions.

Ensure physical redundancy of critical components.

Use a single path for data and control traffic.

Implement regular testing of failover mechanisms.

19. Exhibit:

Referring to the exhibit, at which interval will the interface be considered down if no hello packets are received?

2000 seconds

400 milliseconds

400 seconds

2000 milliseconds

20. In Junos, which command is used to display the status of all interfaces?

show interfaces terse

show vlan brief

show interfaces descriptions

show ethernet-switching table

Page 3 of 6

21. Which statement is correct about the BGP AS path when advertising routes?

The order of the AS path is not significant.

The local AS number is added to the end of the AS path.

The order of the AS path is only significant in IBG

The local AS number is added to the beginning of the AS path.

22. What are two requirements for an IP fabric? (Choose two.)

a Layer 3 routing protocol

a single connection between each spine and leaf

a single connection between each leaf

a Layer 2 switching protocol

23. In the Junos OS, which feature is used to create an alternate next hop with a unique preference for a static route?

Preference

Resolve

Next-hop

Qualified-next-hop

24. What is the definition of a trunk interface on a switch?

An interface that carries multiple VLANs.

An interface that carries high bandwidth.

An interface that connects directly to powerful servers.

An interface that carries excess traffic.

25. During a BGP Graceful Restart, what happens to the routes learned from the restarting neighbor?

They are immediately removed from the routing table.

They are marked as stale but kept in the routing table.

They are advertised to other BGP neighbors.

Their metric is increased to prevent their use.

26. You are configuring an aggregate route. In this scenario, which two statements are correct? (Choose two.)

Reject will silently drop the traffic.

Discard will silently drop the traffic.

Reject will send an ICMP Destination Unreachable message back to the sender.

Discard will send an ICMP Destination Unreachable message back to the sender.

27. What are two device roles in a five-member Virtual Chassis? (Choose two.)

PFE

Control-board

Line card

Routing-engine

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

To balance the load across multiple links

To filter routes based on specific criteria

To group multiple Routing Information Bases together for a common purpose

To dynamically generate routing entries

29. Which of the following statements are correct about the Spine/Leaf architecture? (Choose two)

The Spine layer switches interconnect various Leaf switches.

Each Leaf switch is directly connected to every server in the data center.

The architecture reduces the need for inter-switch link (ISL) redundancy.

Spine switches can connect directly to the data center's external network.

30. Which EBGP feature must be used when peering to a non-directly connected peer address?

multihop

AS path

local preference

multipath

Page 4 of 6

31. Which OSPF router type connects an OSPF area to non-OSPF networks?

Area Border Router (ABR)

Autonomous System Boundary Router (ASBR)

Internal Router

Backbone Router

32. Which two statements are correct about rules for EBGP and IBGP? (Choose two.)

EBGP peers have a TTL of 1, while IBGP peers have a TTL of 255.

EBGP peers have a TTL of 255, while IBGP peers have a TTL of 1.

EBGP routes are more preferred than IBGP routes.

IBGP routes are more preferred than EBGP routes.

33. Generated routes in a network are mainly used to:

Reduce the overall size of the routing table.

Manually configure specific network routes.

Automatically create a route when a specified condition is met.

Summarize external routes into the network.

34. Which type of route is used to represent a summary of multiple smaller networks?

Static route

Aggregate route

Generated route

Dynamic route

35. Referring to the exhibit, how many stages are in this IP fabric?

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

Each device in an EBGP fabric will be configured in its own unique private A

Each device in an EBGP fabric will be configured to be part of the same private A

An EBGP fabric relies on an IGP to advertise loopback IPs.

An EBGP fabric does not require an IGP to advertise loopback IPs.

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

Incompatible software versions between member switches

Too many switches in a single Virtual Chassis configuration

Use of copper cables for inter-switch connections

Activation of all ports for Virtual Chassis connections

38. Which statement about switches is correct?

Each port is a member of VLAN 2 by default.

Every port is in a unique collision domain.

Each port is in a unique broadcast domain by default.

All ports reside in the same collision domain.

39. A generated route is configured under which hierarchy?

[edit policy-options]

[edit routing-instance]

[edit routing-options]

[edit protocols]

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

Increase the physical distance between data centers.

Provide Layer 2 connectivity over a Layer 3 network.

Replace traditional routing protocols.

Enhance the physical security of the data center.

Page 5 of 6

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

The ge-0/0/0 interface has been explicitly assigned to a VLAN named default.

The default VLAN is a user defined VLAN name.

The asterisk indicates that the interface is active.

The ge-0/0/12 interfaces is an access port.

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

show routing-table

show route

display ip routing-table

check route information

43. What type of BGP is used for routing within the same autonomous system?

IBGP

EBGP

Static BGP

Dynamic BGP

44. Exhibit:

Referring to the exhibit, which next hop will be preferred in the routing table?

Next hop IP address 172.25.20.254 will be preferred.

Neither next hop will be preferred.

Next hop IP address 172.25.20.200 will be preferred.

Both next hops will be preferred.

45. Which Junos OS routing table stores IPv6 addresses?

inet.0

inet0.6

inet.6

inet6.0

46. Which route is preferred by the Junos OS software routing tables?

Static

Aggregate

Direct

BGP

47. Which OSPF troubleshooting tool is used to check the OSPF process and neighborship?

Traceoptions

Ping

Route summarization

SNMP

48. Leaf and spine data centers are used to better accommodate which type of traffic?

north-east

east-west

north-west

south-east

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

bgp set neighbor

neighbor remote-as

set bgp peer

add bgp connection

50. Which two statements are correct about using LACP on a Junos device? (Choose two.)

Both sides of the LACP session must be in active mode to exchange LACP packets on a Junos device.

One side of the LACP session must be in active mode to exchange LACP packets on a Junos device.

LACP is used to monitor the status of an aggregated Ethernet bundle's member interfaces on a Junos device.

LACP is used to automatically add and delete interfaces from aggregated Ethernet bundles on a Junos device.

Page 6 of 6

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

show ip ospf neighbors

show ospf database

show ip route ospf

show ospf interfaces

52. Within your router, you want to verify that you are learning routes from a remote BGP peer at IP address 10.10.100.1.

Which command would satisfy the requirement?

show route receive-protocol bgp 10.10.100.1

show route protocol bgp table inet.0 10.10.100.1

show route advertise-protocol bgp 10.10.100.1

show route protocol bgp source-gateway 10.10.100.1

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

Remove the connection between the leaf nodes

Remove one of the redundant links between a leaf node and a spine node

Add two connections between the spine nodes

Add a connection between the spine nodes

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

Forwarding decisions based on MAC addresses

Load balancing across multiple CPUs

Routing decisions based on extended criteria like packet headers

Aggregation of multiple routes into a single entry

55. How does OSPF calculate the best path to a particular prefix?

It finds the path with the numerically lowest cost.

It finds the path with the shortest autonomous system path.

It finds the path with the least number of hops.

It finds the path with the numerically lowest route preference.

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