Which two statements describe the RE on Junos OS devices? (Choose two.)
A . The RE is considered the control plane.
B . The RE forwards traffic based on its local copy of the forwarding table.
C . The RE provides hardware status messages for the PFE
D . The RE maintains the routing tables.
Answer: A, D
Explanation:
Ref: Juniper Networks Partner Solution Development Platform: Architecture of the JUNOS System
“Architecture of the JUNOS System
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The Routing Engine operates all routing protocols and makes all routing decisions by creating a routing table that includes the best path to each destination. The router writes these paths to a forwarding table in the Routing Engine and then copies the same data to the forwarding table on the Packet Forwarding Engine (PFE) which actually forwards the packets.
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The Control Plane
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The control plane runs on the Routing Engine. Its role is to manage and control the behavior of the device, including the data plane and the services plane.
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