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210-060 · Question #208
210-060 Question #208: Real Exam Question with Answer & Explanation
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.
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.
Explanation
Data networks are drop-tolerant and delay-insensitive because TCP handles retransmission of lost packets and applications tolerate variable latency.
Common mistakes.
- B. Voice traffic is both drop-intolerant and delay-sensitive because packet loss causes audible distortion and latency above 150ms degrades call quality.
- C. Video traffic is sensitive to both delay and packet loss because dropped frames cause visible artifacts and buffering, requiring consistent delivery.
- D. 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.
- E. 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
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