Question 1

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 2

It is necessary for Tier 1 schedulers to obtain bandwidth from a higher tier scheduler.

Options :

A : TRUE

B : FALSE

Answer: B

Question 3

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 different

applications.

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 all

VPRN instances.

Answer: B,D

Question 4

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 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

Higher Test Marks with Free Online 4A0-107 Exam Practice

Buying Options: