Question 1

What is an SLA? (Choose two)

Options :

A : An SLA is used to provide automated, real-time testing and alarming for throughput, latency, and jitter across a provider-s network.

B : An SLA is an agreement between a customer and a provider that dictates the treatment of customer traffic across the provider-s network.

C : An SLA allows customers to control all traffic within the service provider-s network by prioritizing their traffic over others as desired.

D : An SLA allows a customer to pre-mark traffic and ensure that traffic is treated as per the agreement within the provider-s network.

E : An SLA is a standard set of network QoS policies that a provider shares to all its customers, allowing them to better understand the treatment of traffic within the provider-s network.

Answer: B,D

Question 2

In which of the following scenarios is the egress port scheduler useful? (Choose two)

Options :

A : A customer is complaining that his VoIP traffic is being dropped even though it is sending the correct DSCP markings. Packets are not being dropped on ingress.

B : A customer is complaining that his VoIP traffic is being dropped even though it is sending the correct DSCP markings. Packets are being dropped on ingress.

C : A commercial builder has requested numerous dot1Q epipes, VPRNs, and VPLS services to a business park and is only paying up to a maximum 200Mbps.

D : An equipment manufacturer has requested a NULL epipe service that will transparently pass dot1Q between the new location and national headquarters.

Answer: A,C

Question 3

Which of the following statements about CIR of a queue is TRUE?

Options :

A : It may exceed PIR of the queue.

B : It may be exceeded by the average servicing rate of the queue.

C : It varies depending on the traffic characteristics.

D : It is the rate at which packets are forwarded out of the queue.

Answer: D

Question 4

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According to the SAP-ingress QoS policy shown, which of the following statements about packets processed by policer 6 is TRUE?

Options :

A : All forwarded packets will be in-profile

B : Packets forwarded above CIR will be marked out-of-profile and the rest will be in-profile

C : Excess packets that arrive within a burst larger than CBS will be forwarded as out-of-profile

D : All forwarded packets will be out-of-profile

Answer: C

Question 5

If packets egressing a SAP do not match any criteria defined in the SAP-egress policy, which forwarding class

will these packets be assigned to?

Options :

A : The default forwarding class defined in the SAP-egress policy.

B : The forwarding class inherited from network ingress classification.

C : Best Effort.

D : If there is no match, packets will be dropped.

Answer: A

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