JN0-280 Exam Questions

What is the default Junos behavior of access ports?

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

In OSPF, how is the Router ID determined?

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

What is an aggregate route?

Generated routes in a network are mainly used to:

Which of the following are features of storm control on Junos switches? (Choose two)

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

What is the primary use of Martian addresses in network routing?

What is Integrated Routing and Bridging (IRB) primarily used for in a Junos device?

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

When configuring MAC address filtering on a Junos switch, which feature is primarily used?

What is a key characteristic of traditional multi-tier data center architectures?

Referring to the exhibit, which two statements are correct about the IP fabric? (Choose two.)

Referring to the exhibit, which statement is true?

Which of the following VLAN port modes exist in Junos OS? (Choose two)

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

What does VXLAN stand for in the context of EVPN/VXLAN?

Which of the following are functions of MACsec? (Choose two)

Referring to the exhibit, how many collision domains are present in the topology?

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

Which OSPF packet types are used to establish and maintain neighbor relationships? (Choose two)

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

When configuring OSPF, what is the purpose of defining areas?

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

What does MACsec stand for?

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

You have configured a load balancing policy. Which statement is correct about applying the policy?

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

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

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

What is a common issue to check for when troubleshooting a LAG not forming correctly?

You are configuring OSPF in your network as shown in the exhibit. R1 has been configured with interface metrics. All other links in the network are using the default interface metr...

Martian addresses are:

What statement is true about load-balancing?

In configuring load balancing on a network router, which aspect is most crucial?

Fill in the blank: In BGP, the ___________ attribute is used to influence the best path selection process.

Which statement is correct about an IP fabric?

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

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

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

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

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

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

What is the primary difference between IBGP and EBGP?

What is an advantage of using BFD?

Bidirectional Forwarding Detection (BFD) is primarily used for:

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

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

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