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300-070 · Question #277
300-070 Question #277: Real Exam Question with Answer & Explanation
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Question
According to the DiffServ architecture RFC 2475, which two major components are necessary to deliver end to-end QoS? (Choose two)
Exhibit
Options
- ALayer 2 transport QoS mechanisms such as FRF.12
- Bpacket marking with 6 bits to classify packets
- CToS or IP precedence with 3 bits
- DPHB
- ERSVP
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