Question 1

By default, how does a hybrid port on a Nokia 7750 SR share its allocated buffer space between access and

network pools?

Options :

A :

All buffer space is initially allocated to access pools, and some of it is reallocated to network pools if

network interfaces are configured on it.

B :

All buffer space is initially allocated to network pools, and some of it is reallocated to access pools if

service SAPs are configured on it.

C :

Buffer space is allocated 50% for access pools and 50% for network pools.

D : Buffer space is allocated 25% for access pools and 75% for network pools.

Answer: C

Question 2

How does an IOM3 improve the queue usage over an IOM2 in a Nokia 7750 SR? (Choose two)

Options :

A : The IOM3 adds more memory to both forwarding complexes which increases the total number of queues available.

B : The IOM3 only contains a single forwarding complex which reduces the number of queues used.

C : The IOM3 allows multiple forwarding classes to be assigned to a single queue.

D : The IOM3 allows queues to be dynamically allocated between ingress and egress.

E : The IOM3 has a larger CPU capable of tracking active hardware queue utilization and adjusting memory allocation accordingly.

Answer: B,D

Question 3

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 4

4-A0-107-page110-image3

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

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

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