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Data Centers: 66 (JN0-680) - Juniper Exam Questions

Last updated on June 20, 2026

97% Exam Compliance
66 Total Questions
1
Question
You are building an EVPN Data Center Interconnect. You must support multiple VLANs in a single EVPN instance.

Which parameter provides this functionality?
Options
A instance-type evpn
B instance-type no-forwarding
C instance-type 12vpn
D instance-type virtual-switch
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2
Question
You are building a mixed-mode Virtual Chassis with two QFX5100-24Qs, four QFX3500-48s, two EX4600-40Fs and two EX4300-48Ts. The Virtual Chassis will not provision. In this scenario. which statement is correct?

Exhibit
Options
A EX4600s are only allowed with EX4300s.
B QFX3500s are not allowed in mixed mode.
C Mixed-mode Virtual Chassis only allows for eight members.
D EX4600s must be preprovisioned as the master and backup.
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3
Question
You are deploying 50 QFX5100 switches in your data center. You are asked to explain the benefits of using ZTP during your deployment of these devices.

What is a benefit of this deployment?
Options
A You must use DHCP options to provide the transfer mode used for pulling files from a storage server.
B You must use DHCP options to provide Junos installation packages to all devices.
C You can use DHCP options to indicate which Junos version the switches should be running.
D You can use DHCP options to push the configuration files to all devices.
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4
Question
You are deploying MC-LAG as shown in the exhibit.

Which statement is correct when using active/standby mode?
Options
A VCCP is used to exchange MAC addresses between MC-LAG peers.
B A spanning tree protocol should be used to avoid Layer 2 loops between Server A and both switches.
C Only ICCP control traffic is allowed through the ICL-PL connection.
D All traffic from Server A to Host 1 will traverse the link between Server A and ex2.
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5
Question
Which three BGP messages pass EVPN information between devices? (Choose three.)
Select 3
Options
A open messages
B update messages
C route-refresh messages
D keepalive messages
E notification messages
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