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Exam 350-801 topic 1 question 304 discussion

Actual exam question from Cisco's 350-801
Question #: 304
Topic #: 1
[All 350-801 Questions]

Which DSCP marking is represented as 101110 in an IP header?

  • A. CS3
  • B. AF41
  • C. AF31
  • D. EF
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Suggested Answer: D 🗳️

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OSJAY
Highly Voted 2 years, 1 month ago
Selected Answer: D
D is correct. That binary notation is = 46
upvoted 8 times
0n3
10 months, 1 week ago
https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus1000/sw/4_0/qos/configuration/guide/nexus1000v_qos/qos_6dscp_val.pdf Section: Commonly Used DSCP Values
upvoted 2 times
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G0y0
Most Recent 2 months ago
Selected Answer: D
With the first 3 bits (ip precedence) you can deduce the answer. 101 is IP precedence mapped to Expedited Forwarding (EF),
upvoted 1 times
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a3c4c84
9 months, 3 weeks ago
Selected Answer: D
The QoS markings are in the 6-bit DSCP field of the ToS Byte of the IP header. The recommended (Default) value for RTP (voice) is 101110, which is EF / Expedited Forwarding.
upvoted 1 times
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MPLM
2 years, 1 month ago
D https://wiki.innovaphone.com/index.php?title=Howto:Calculate_Values_for_Type_of_Service_%28ToS%29_from_DiffServ_or_DSCP_Values
upvoted 3 times
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