Juniper JN0-280 Data Center, Associate (JNCIA-DC) Online Training
Juniper JN0-280 Online Training
The questions for JN0-280 were last updated at Feb 19,2025.
- Exam Code: JN0-280
- Exam Name: Data Center, Associate (JNCIA-DC)
- Certification Provider: Juniper
- Latest update: Feb 19,2025
In troubleshooting a Virtual Chassis setup, what is a common issue to look for?
- A . Incompatible software versions between member switches
- B . Too many switches in a single Virtual Chassis configuration
- C . Use of copper cables for inter-switch connections
- D . Activation of all ports for Virtual Chassis connections
In OSPF, which term refers to routers that have interfaces in multiple areas?
- A . Internal Routers
- B . Backbone Routers
- C . Area Border Routers (ABRs)
- D . Autonomous System Boundary Routers (ASBRs)
Which of the following are true about Layer 2 and Layer 3 strategies in data center architectures? (Choose two)
- A . Layer 2 strategies are typically used for creating large, flat networks.
- B . Layer 3 strategies cannot be used in conjunction with Layer 2 environments.
- C . Layer 3 strategies help in reducing broadcast domains.
- D . Layer 2 strategies are primarily used for inter-data center connectivity.
When configuring static routes, which command is typically used?
- A . set protocols static route
- B . set route aggregate
- C . set firewall filter
- D . set routing-options rib-groups
Which Junos operational mode command is used to troubleshoot issues with VLANs?
- A . show vlans
- B . monitor traffic
- C . show ethernet-switching table
- D . show interfaces
Which two statements are correct about aggregated Ethernet bundles? (Choose two.)
- A . You must enable the chassis to support aggregated Ethernet interfaces.
- B . You must purchase a services license for the chassis to support aggregate Ethernet interfaces.
- C . You must specify which interfaces are members of a specific aggregated Ethernet bundle.
- D . You must enable LACP when configuring aggregated Ethernet bundles.
Referring to the exhibit, what needs to be done to make this a valid IP fabric?
- A . Remove the connection between the leaf nodes
- B . Remove one of the redundant links between a leaf node and a spine node
- C . Add two connections between the spine nodes
- D . Add a connection between the spine nodes
What is the main advantage of using MACsec?
- A . It increases the speed of the network.
- B . It provides Layer 2 encryption for data confidentiality and integrity.
- C . It creates multiple virtual networks over a single physical infrastructure.
- D . It allows for the use of longer cable runs.
When configuring BGP, which command is commonly used to define a BGP neighbor?
- A . bgp set neighbor
- B . neighbor <IP_ADDRESS> remote-as <AS_NUMBER>
- C . set bgp peer
- D . add bgp connection
What is the first route selection mechanism for IBGP?
- A . as path
- B . MED
- C . local preference
- D . origin
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