Which statement is true for an IP Fabric to be called a Clos IP Fabric?

The number of uplinks from a leaf device equals the number of spine devices.

Spanning tree must be completely eliminated.

The protocol used is OSPF, IS-IS, or BGP.

Spine devices must be connected in a full mesh.

You are deploying MC-LAG as shown in the exhibit. Which statement is correct when using active/standby mode?

All traffic from Server A to Host 1 will traverse the link between Server A and ex2.

A spanning tree protocol should be used to avoid Layer 2 loops between Server A and both switches.

VCCP is used to exchange MAC addresses between MC-LAG peers.

Only ICCP control traffic is allowed through the ICL-PL connection.

You are performing an in-service software upgrade (ISSU) on an QFX5100 Series device. Which two statements are correct in this scenario? (Choose two.)

The ksyncd process is used to synchronize the state of the master RE to the new backup RE

The mgd process is used to validate system configuration requirements.

The dcd process is used to validate system configuration requirements.

The vccpd process is used to synchronize the state of the master RE to the new backup RE

Which statement is true about a Data Center Interconnect over an IP network?

Layer 2 data must be encapsulated.

Layer 2 data must traverse a point-to-point link.

Layer 2 data must traverse an MPLS LSP.

Layer 3 data must be encapsulated.

Free Juniper JN0-680 Exam Practice Questions & Explanations

Last updated on: Nov 3, 2026
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