200-301 · Question #524
Which action is taken by the data plane within a network device?
The correct answer is A. forwards traffic to the next hop. The data plane within a network device is responsible for the actual movement of data packets from an ingress to an egress interface.
Question
Which action is taken by the data plane within a network device?
Options
- Aforwards traffic to the next hop
- Bconstructs a routing table based on a routing protocol
- Cprovides CLI access to the network device
- Dlooks up an egress interface in the forwarding information base
How the community answered
(36 responses)- A86% (31)
- B3% (1)
- C3% (1)
- D8% (3)
Why each option
The data plane within a network device is responsible for the actual movement of data packets from an ingress to an egress interface.
The data plane, also known as the forwarding plane, is fundamentally responsible for processing and directly transmitting data packets, including encapsulating, decapsulating, and forwarding traffic to the next hop based on information provided by the control plane.
Constructing a routing table based on a routing protocol is a function of the control plane, which determines the best paths for traffic.
Concept tested: Network device data plane functions
Source: https://www.cisco.com/c/en/us/td/docs/routers/sdwan/configuration/sdwan-xe-gs-book/sdwan-overview.html#C_ID_0F127B08_000000_07204C6A
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