Exam 400-007 Topic 4 Question 207 Discussion

Actual exam question for Cisco's 400-007 exam
Question #: 207
Topic #: 4
Company XYZ must design a strategy to protect their routers from DoS attacks, such as traffic destined to the router's own route processor, using separate control plane categories. Which two capabilities can be used to achieve this requirement? (Choose two.)

Suggested Answer: D,E Vote an answer

* D (Queue thresholding on the host subinterface):Protects CPU resources by limiting the amount of control plane traffic destined to the router itself.
* E (Port filtering on the host subinterface):Allows fine-grained filtering of control plane traffic based on specific protocols or ports, protecting sensitive processes like routing protocols or management access.
Other options explained:
* A, B, C: Transit subinterfaces protect forwarding plane transit traffic, not traffic destined to the control plane.

by Samantha at Mar 27, 2026, 01:48 AM

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