Benefits of Protecting the Control Plane: Examining Cisco's 352-001 CCDE Written Exam
Question
What are two benefits of protecting the control plane of a network device? (Choose two.)
Answers
Explanations
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A. B. C. D.CD.
The control plane of a network device is responsible for managing and maintaining the device's protocols, processes, and configurations. Protecting the control plane refers to implementing security measures that prevent unauthorized access, attacks, or disruptions to the control plane. Two benefits of protecting the control plane are:
A. Prevents the delivery of packets from spoof sources: One of the primary benefits of protecting the control plane is that it prevents the delivery of packets from spoof sources. This is achieved through the implementation of various security mechanisms, such as access control lists (ACLs), filtering, and authentication. These mechanisms ensure that only legitimate traffic is allowed to reach the control plane, preventing malicious traffic from reaching the device and potentially causing harm.
C. Maintains routing protocol adjacencies with local neighbors: Another benefit of protecting the control plane is that it maintains routing protocol adjacencies with local neighbors. The control plane is responsible for exchanging routing information with neighboring devices to determine the best path for forwarding traffic. If the control plane is compromised or disrupted, this exchange of information may be affected, leading to network instability or downtime. By protecting the control plane, routing protocol adjacencies can be maintained, ensuring that the network operates smoothly and efficiently.
B. Preserves the confidentiality of traffic encrypted by IPsec and D. Maintains remote management access to the router are incorrect: Preserving the confidentiality of traffic encrypted by IPsec and maintaining remote management access to the router are not benefits of protecting the control plane. These are instead benefits of other security measures, such as encryption and access control. While protecting the control plane may indirectly contribute to these benefits, it is not the primary objective of protecting the control plane.
