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Nokia 4A0-107 - Nokia Quality of Service

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Total 231 questions

Which of the following are categories of forwarding classes on the Nokia 7750 SR? (Choose two)

A.

Real-time

B.

Assured

C.

Non-conforming

D.

High priority

E.

In-profile

Which of the following parameters is taken into account FIRST when a CFHP arbiter allocates bandwidth among its children policers?

A.

PIR

B.

CIR

C.

Level

D.

Weight

Which of the following entities can scheduler policies be applied to? (Choose two)

A.

Network ingress port

B.

Epipe ingress SAP

C.

ES egress SAP

D.

Ingress MDA

E.

VPRN ingress interface

F.

Shared buffer space

Which of the following fields is in the MPLS header?

A.

802.1p bits

B.

Precedence

C.

DSCP

D.

EXP

Click the exhibit button below. Given the SAP-ingress policy, which of the following statements are FALSE? (Choose three)

A.

Queue 5 is using priority mode.

B.

UDP traffic can be serviced at a maximum rate of 20 Mbps.

C.

Ping traffic is place in queue 5.

D.

Queues 5 and 6 will receive equal portions of any remaining available bandwidth to meet their above-CIR bandwidth requirements.

E.

Queue 3 is scheduled before queue 5.

Which of the following is NOT a characteristic of policing?

A.

It smooths out traffic bursts.

B.

It drops the packets when average peak rate is exceeded.

C.

It may additionally color the packets as they arrive.

D.

It buffers the packets at its output before sending them out.

Which of the following is an example of something that CAN be done with hierarchical policing (CFHP) but CANNOT be done with standalone policers?

A.

Limiting the maximum forwarding rate of each individual policer and, at the same time, marking, packets as in-profile or out-of-profile.

B.

Putting packets in a buffer as they are received, and marking packets as in-profile or out-of-profile as they are removed from the buffer.

C.

Rate-limiting the collective output of several policers, and to reallocate bandwidth that is not utilized by some policers to other policers that need to use it.

D.

Rate-limiting the collective output of several policers towards each egress FFPC, while maintaining control of the maximum overall forwarding rate.

Policing improves bandwidth utilization by using buffering to absorb high bursts of traffic.

A.

TRUE

B.

FALSE

Which of the following statements about the default scheduler in the Nokia 7750 SR is FALSE?

A.

The default scheduler spends an equal amount of time servicing each queue that has traffic to be sent out.

B.

Queue-type can be configured as best-effort, expedite, or auto-expedite.

C.

A queue will be serviced as expedited if its type is configured as expedited, regardless of the forwarding classes mapped to it.

D.

A queue configured as auto-expedited will be an expedited queue as long as no Best Effort FC is mapped to it.

According to the configurations shown, which of the following statements about the classification and queuing of self-generated OSPF traffic is TRUE?

A.

It will be classified into forwarding class BE and stored in queue 1.

B.

It will be classified into forwarding class BE and stored in queue 8.

C.

It will be classified into forwarding class NC and stored in queue 1.

D.

It will be classified into forwarding class NC and stored in queue 8.