Nokia 4A0-107 Exam Questions Free Practice Test

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Questions # 21:

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

Options:

Expert Solution

Questions # 22:

Which of the following statements describes a queue’s weight parameter that is used in the hierarchical scheduling?

Options:

The weight specifies the priority of the queue during scheduling up to its CIR.

The weight specifies the priority of the queue during scheduling above-CIR, up to its PIR.

The weight is used to determine how this queue and other queues or schedulers at the same CIR-level share available CIR bandwidth at that level.

The weight is used to determine how this queue and other queues or schedulers at the same level share available above CIR bandwidth at that level.

Expert Solution

Questions # 23:

With hierarchical scheduling, up to ___________ tiers are supported on the Nokia 7750 SR.

Options:

Expert Solution

Questions # 24:

Which of the following statements regarding the egress port scheduler is TRUE?

Options:

The egress port scheduler can have up to 17 children spread across 8 levels.

Multiple egress port schedulers can be assigned to a single port with many HQoS children.

Multiple HQoS policies can be children of a single port scheduler.

Multiple egress port schedulers can be children of a single HQoS scheduler.

Expert Solution

Questions # 25:

Which of the following statements about the DiffServ and IntServ QoS models is FALSE?

Options:

IntServ uses a protocol like RSVP to provide QoS guarantees on a per-flow basis.

DiffServ groups multiple microflows into bigger streams called macro flows.

Intserv requires that network routers allocate resources for thousands of individual flows.

Diffserv classifies packets into forwarding classes only at the first network hop.

Expert Solution

Questions # 26:

Question # 26

In the diagram shown above, applying policing and soft-policing on access ingress is typical for which of the following types of traffic?

Options:

Real-time

Assured

Best-effort

Self-generated

Expert Solution

Questions # 27:

Which of the following QoS functions does the slope-policy perform?

Options:

Classification

Marking

Queuing

Congestion management

Scheduling

Expert Solution

Questions # 28:

On a Nokia IOM 3, how is buffer memory allocated per forwarding complex?

Options:

512 MB ingress, 512 MB egress

256 MB ingress, 256 MB egress

1 GB dynamically allocated between ingress and egress.

768 MB dynamically allocated between ingress and egress.

768 MB, with a minimum of 256 MB ingress and egress, and an additional 256 MB dynamically allocated.

Expert Solution

Questions # 29:

Which of the following statements about scheduling on the Nokia 7750 SR is FALSE?

Options:

When using priority-mode queues, traffic marked as low-priority on ingress and scheduled in the above-CIR loop will be considered as in-profile at egress.

When using priority-mode queues, traffic marked as high-priority on ingress and scheduled in the above-CIR loop will be considered as out-of-profile at egress.

When using profile-mode queues, traffic marked as low-priority on ingress and scheduled in the above-CIR loop will be considered as out-of-profile at egress.

When using profile-mode queues, traffic marked as in-profile on ingress and scheduled in the above-CIR loop will still be considered as in-profile at egress.

Expert Solution

Questions # 30:

Based on queue usage, which of the following QoS-policies when combined will allow queue rates to be dynamically allocated? (Choose two)

Options:

The slope-policy

The SAP-ingress policy

The network-queue policy

The scheduler-policy

The network-policy

The WRED-policy

The arbitrator-policy

Expert Solution

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