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Exam 350-801 topic 1 question 347 discussion

Actual exam question from Cisco's 350-801
Question #: 347
Topic #: 1
[All 350-801 Questions]

What are two characteristics of QoS Traffic shaping? (Choose two.)

  • A. When the traffic rate equals the configured maximum rate, excess traffic is remarked.
  • B. When the traffic rate equals the configured maximum rate, excess traffic is dropped.
  • C. Traffic shaping queues excess packets.
  • D. Traffic shaping can be applied to inbound traffic on an interface.
  • E. Traffic shaping can be applied to outbound traffic on an interface.
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Suggested Answer: CE 🗳️

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G0y0
2 months ago
Selected Answer: CE
Answers A, B and D describe perfectly the characteristics of Traffic Policy. Answers C and E describe perfectly the characteristics of Traffic Shaping.
upvoted 1 times
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MaxG
10 months, 2 weeks ago
Selected Answer: CE
Traffic shaping allows you to control the traffic going out an interface in order to match its flow to the speed of the remote target interface and to ensure that the traffic conforms to policies contracted for it. Traffic that is adhering to a particular profile can be shaped to meet downstream requirements, which eliminates bottlenecks in topologies with data-rate mismatches. Traffic shaping regulates and smooths out the packet flow by imposing a maximum traffic rate for each port's egress queue. Packets that exceed the threshold are placed in the queue and are transmitted later. This process is similar to traffic policing; however, the packets are not dropped. Because packets are buffered, traffic shaping minimizes packet loss (based on the queue length), which provides a better traffic behavior for TCP traffic. https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus3000/sw/qos/602_U1_1/b_3k_QoS_Config_602_U11/b_3k_QoS_Config_602_U11_chapter_0100.pdf
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