Question 1

Which of the following statements are TRUE when discussing self-generated traffic QoS? (Choose two)

Options :

A : In order to mark Layer 2 traffic, sgt-qos will set various ToS bits.

B : DSCP bits can be set per application, per routing instance.

C : The DSCP marking stays nc1 for all applications. Only the internal FC is manipulated across differentapplications.

D : In order to mark Layer 2 self-generated traffic, network interfaces must be set to dot1Q.

E : The internal forwarding class for self-generated traffic is set once and applied to the base router and allVPRN instances.

Answer: B,D

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 policies, on the Nokia 7750 SR. is classification performed? (Choose three)

Options :

A : SAP-ingress policy

B : SAP-egress policy

C : IP-criteria policy

D : Network-queue policy

E : Slope policy

F : Network policy

Answer: A

Question 4

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

Question 5

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

Free 4A0-107 Mock Exam – Practice Online Confidently

Buying Options: