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Data Center, Associate (JNCIA-DC) (JN0-280) - Juniper Exam Questions

Last updated on June 20, 2026

97% Exam Compliance
65 Total Questions
1
Question
Which route is preferred by the Junos OS software routing tables?
Options
A Direct
B Aggregate
C Static
D BGP
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2
Question
Which statement is correct about areas in OSPF?
Options
A OSPF areas are used to reduce the size of the link-state database.
B OSPF areas are used to isolate the effects of a broadcast storm.
C An OSPF area is used to segment Layer 2 broadcast domains.
D An OSPF area is used to signify the autonomous system to which each device belongs.
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3
Question
Which statement is correct about aggregate routes?
Options
A The default next hop is resolve.
B The default next hop is readvertise.
C The default next hop is discard.
D The default next hop is reject.
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4
Question
Exhibit:

Exhibit

Referring to the exhibit, which behavior does this configuration enable on the ge-0/0/1.0 interface?
Options
A This configuration enables the device to shut down the interface when a particular MAC address persistently sends broadcast traffic.
B This configuration enables the device to place a MAC address that persistently causes network errors into a special protected VLAN.
C This configuration enables a MAC address learned on the interface to be persistently retained in the Ethernet-switching table, even after a reboot.
D This configuration enables the interface to learn and remember MAC addresses, until the device is rebooted.
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5
Question
What are three correct layer names used in legacy hierarchical network design? (Choose three.)
Select 3
Options
A Aggregation layer
B Modular layer
C Access layer
D Core layer
E Function layer
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