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Question 1

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

Options :

A : DSCP value

B : 802.1p value

C : IP DF bit

D : TCP/UDP port numbers

E : HTML version number

Answer: A,B,D

Question 2

Which of the following statements describes an advantage of the DiffServ QoS model over the IntServ QoS

model?

Options :

A : DiffServ reserves resources dynamically using the RSVP protocol.

B : DiffServ only requires packets to be classified into forwarding classes at the first network hop.

C : DiffServ provides granular differentiation and superior fairness because it processes traffic streams individually.

D : DiffServ is more scalable it treats traffic streams as aggregates.

Answer: D

Question 3

What feature makes a traffic stream real-time?

Options :

A : Its rate fluctuates rapidly with time.

B : Its bandwidth requirements are high.

C : Time between packets remains unchanged and end-to-end delay is kept to a minimum.

D : All packets received are guaranteed to be delivered to the destination.

Answer: C

Question 4

Which of the following parameters is taken into account FIRST when a CFHP arbiter allocates bandwidth

among its children policers?

Options :

A : PIR

B : CIR

C : Level

D : Weight

Answer: D

Question 5

Which of the following are major components of QoS functionality on the Nokia 7750 SR? (Choose three)

Options :

A : Microflow reservations using RSVP

B : DSCP to EXP translation

C : Traffic classification

D : Automatic profiling and policy configuration

E : Buffer memory management

F : Traffic scheduling

Answer: A,C