Alcatel-Lucent Quality of Service

Here you have the best Alcatel-Lucent 4A0-107 practice exam questions

You have 138 total questions to study from
Each page has 5 questions, making a total of 28 pages
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This questions were last updated on November 2, 2025
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Question 1 of 138

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

Correct Answer: A

Question 2 of 138

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

Correct Answer: C

Question 3 of 138

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

A.

010011

B.

100010

C.

010001

D.

001100

E.

010010

Correct Answer: E

Question 4 of 138

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.

Correct Answer: A, B, D

Question 5 of 138

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

Correct Answer: A, B, D