Alcatel-Lucent 4A0-107 - Alcatel-Lucent Quality of Service Exam

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Total 212 questions

The IP ToS field consists of ________ bits, of which ________are used. The _________most significant (first) bits define precedence.

  • A. 8, 6, 3
  • B. 8, 8, 6
  • C. 16, 8, 4
  • D. 8, 6, 4
  • E. 24, 16, 8


Answer : A

Which of the following are examples of metrics for QoS?

  • A. Signal degradation, attenuation, line loss
  • B. Latency, FIFO, WRED
  • C. Delay, jitter, packet loss
  • D. SNR, queue depth, latency
  • E. Attenuation, dispersion, latency


Answer : C

What is the 6-bit binary representation of DSCP value AF21?

  • A. 010011
  • B. 100010
  • C. 010001
  • D. 001100
  • E. 010010


Answer : E

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.


Answer : ABD

Which of the following can be used as classifiers of customer traffic? (Choose three)

  • A. DSCP value
  • B. 802.1p value
  • C. IP DF bit
  • D. TCP/UDP port numbers
  • E. HTML version number


Answer : ABD

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Total 212 questions