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350-401 · Question #656
350-401 Question #656: Real Exam Question with Answer & Explanation
The correct answer is D: the coustomer edge device. According to best practices, the customer edge device is the optimal location for implementing optimization and rate limiting to control traffic entering and exiting the customer's network.
Submitted by rohit_dlh· Mar 6, 2026Infrastructure
Question
According to the networking best practices, which network device should be used for optimization and rate limiting?
Options
- Athe provider core device
- Bthe provider edge device
- Cthe customer core device
- Dthe coustomer edge device
Explanation
According to best practices, the customer edge device is the optimal location for implementing optimization and rate limiting to control traffic entering and exiting the customer's network.
Common mistakes.
- A. Provider core devices are designed for high-speed forwarding and typically avoid extensive per-customer QoS or rate limiting to maintain maximum throughput.
- B. While provider edge devices may apply some policies, the customer has direct control and visibility over their own customer edge device for specific internal optimization and rate limiting needs.
- C. Customer core devices primarily focus on high-speed switching and routing within the internal customer network, not typically on policing or shaping traffic at the network ingress/egress.
Concept tested. Network QoS and rate limiting placement
Topics
#Network design best practices#Traffic optimization#Rate limiting#Customer edge devices
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