Question 1

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 2

Click the exhibit button below. Given that the slope-policy (below) has been enabled and applied on a network

port, which of the following statements are TRUE? (Choose three)

Options :

A : All out-of-profile traffic will be dropped before any in-profile is dropped.

B : The time average factor of 0 will discard all packets arriving in the shared buffer pool.

C :

When the shared buffer utilization reaches 51%, in-profile packets might be dropped.

D :

The highest probability with which an out-of-profile packet can be dropped is 20%.

E :

When an in-profile packet arrives and the shared buffer utilization is at 69%, the packet will have

approximately a 60% likelihood of being discarded.

Answer: A,C

Question 3

Packets enter the network via the ePipe SAP on PE1 with dot1p marking of 6. The VC type of the SDP

interconnecting PE1 and PE2 is vlan. All network interfaces use the default network QoS policy. According to

the configuration shown above, what is the inner dot1p value of the BE traffic egressing router PE2?

Options :

A : 0

B : 3

C : 6

D : 22

Answer: C

Question 4

On the Nokia 7750 SR, how many queues per FC are available for multipoint traffic within a VPLS on service ingress?

Options :

A : 64

B : 8

C : 3

D : 16

E : 1

Answer: C

Question 5

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