4A0-107 Sample Questions & Answers
Queues and policers using token-bucket metering carry the biggest share, ahead of classifying traffic by packet header fields, QoS fundamentals and models, hierarchical bandwidth allocation, and marking or remarking packets.
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- Question 1Intermediate
What is the 6-bit binary representation of DSCP value AF21? A.010011B.100010C.010001D.001100E.010010
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Correct answer: E
- Question 2IntermediateSelect 3
Which of the following statements regarding DSCP bits are TRUE? (Choose three) A.The three most significant (first) bits define 8 forwarding classes.B.The three least significant (last) bits of the DSCP specify the drop probability.C.The full 8 bits of the TOS field are used for DSCP.D.To convert DSCP to IP precedence, the three most significant (first) bits are matched.E.DSCP provides for eight drop probabilities.
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Correct answers: A, B, D
- Question 3IntermediateSelect 3
Which of the following can be used as classifiers of customer traffic? (Choose three) A.DSCP valueB.802.1p valueC.IP DF bitD.TCP/UDP port numbersE.HTML version number
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Correct answers: A, B, D
- Question 4IntermediateSelect 2
Which of the following are characteristics of DSCP? (Choose two) A.DSCP is part of the Layer 3 header.B.DSCP is a 6-bit field.C.DSCP specifies eight different priorities.D.DSCP specifies four precedence levels.E.DSCP is part of the Layer 2 headerF.DSCP specifies 128 different per-hop behaviors.
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Correct answers: A, B
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