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210-060 · Question #208

Which type of packet-oriented network has the characteristic of being drop-tolerant and delay- insensitive?

The correct answer is A. data. Data networks are drop-tolerant and delay-insensitive because TCP handles retransmission of lost packets and applications tolerate variable latency.

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Question

Which type of packet-oriented network has the characteristic of being drop-tolerant and delay- insensitive?

Options

  • Adata
  • Bvoice
  • Cvideo
  • Dconverged
  • EAll packet-oriented networks share these characteristics.

How the community answered

(23 responses)
  • A
    96% (22)
  • C
    4% (1)

Why each option

Data networks are drop-tolerant and delay-insensitive because TCP handles retransmission of lost packets and applications tolerate variable latency.

AdataCorrect

Data traffic uses TCP, which retransmits dropped packets, making it drop-tolerant. Applications such as file transfers or web browsing can absorb variable delay without impacting the user experience, making data traffic delay-insensitive. This contrasts with real-time traffic types that require consistent, low-latency delivery.

Bvoice

Voice traffic is both drop-intolerant and delay-sensitive because packet loss causes audible distortion and latency above 150ms degrades call quality.

Cvideo

Video traffic is sensitive to both delay and packet loss because dropped frames cause visible artifacts and buffering, requiring consistent delivery.

Dconverged

Converged networks carry voice, video, and data simultaneously and must accommodate the strict QoS requirements of real-time traffic, so they are not uniformly drop-tolerant or delay-insensitive.

EAll packet-oriented networks share these characteristics.

Not all packet-oriented networks share these characteristics - voice and video have strict delay and drop sensitivity requirements unlike data.

Concept tested: QoS traffic characteristics - data vs real-time

Source: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/qos_plcymg/configuration/xe-16/qos-plcymg-xe-16-book/qos-plcymg-oview.html

Topics

#data network characteristics#QoS#delay tolerance#packet loss

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