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Nokia 4A0-107 Practice Test - Questions Answers, Page 9

Question list

List of questions

Question 81

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

Question 82

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A packet is to be encapsulated inside an MPLS tunnel which consists of two MPLS headers at the first network egress. Which of the MPLS EXP fields will be marked?

Question 83

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Which of the following statements are TRUE regarding the building of a QoS-enabled network? (Choose two)

Question 84

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Click the exhibit button below. Traffic arriving at router PE 1 is marked with a dot1p value of 4. Given the network policies applied on the routers in the diagram below, what is the EXP value of pa

Question 85

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Which of the following statements are TRUE regarding the remarking of packets arriving on the network interface whose ToS-marking-state is set to trusted and remarking enabled on network egress? (Ch

Question 86

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Which of the following statements BEST defines policing?

Question 87

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Without_______, a customer's high priority traffic can be dropped before its low priority traffic.

Question 88

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

Question 89

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On the Nokia 7750 SR, what is a slope policy used for?

Question 90

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

Question 81

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

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

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

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

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

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

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Question 82

A packet is to be encapsulated inside an MPLS tunnel which consists of two MPLS headers at the first network egress. Which of the MPLS EXP fields will be marked?

The EXP field in the bottom MPLS header will be marked.

The EXP field in both the top and bottom MPLS headers will be marked.

For Layer 2 services, the top MPLS header will be marked; for Layer 3 services, the bottom MPLS header will be marked.

The EXP field in the top MPLS header will be marked.

Neither the top nor the bottom EXP field will be marked since EXP remarking can only be done on the network ingress.

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Question 83

Which of the following statements are TRUE regarding the building of a QoS-enabled network? (Choose two)

It is important that all packets are classified in the same way at all SAP-ingress points.

Once a packet is classified to a forwarding class, it cannot change across the network.

Packet enters a node will be treated as per the local hop's configured policy.

Native IP packets entering a network port will be marked at the first network egress by default

Native IP packets entering a network port will not be marked at the first network egress by default.

Native IP packets entering a network port will be marked at the first network egress, regardless of the re-marking configuration.

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Click the exhibit button below. Traffic arriving at router PE 1 is marked with a dot1p value of 4. Given the network policies applied on the routers in the diagram below, what is the EXP value of packets arriving at router PE 2?

Note: Only relevant portions of the network policy are shown.

None of the above.

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Question 85

Which of the following statements are TRUE regarding the remarking of packets arriving on the network interface whose ToS-marking-state is set to trusted and remarking enabled on network egress? (Choose two)

Native IP Packets will not be remarked.

Native IP Packets will be remarked.

Packets associated with a VPRN service on an upstream node will not be remarked.

Packets associated with an ES service on an upstream node will be remarked.

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Question 86

Which of the following statements BEST defines policing?

The process of delaying packets within a traffic stream to have them conform to a defined traffic profile.

The overall treatment of a defined subset of a customer's traffic within a DiffServ domain.

The process of discarding packets within a traffic stream in accordance with the state of a meter to enforce a defined traffic profile.

The action of setting the DiffServ codepoint of a packet prior to its entry into a downstream DiffServ domain.

A specified algorithm or operation that is implemented in a node in order to realize one or more per-hop behaviors.

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Question 87

Without_______, a customer's high priority traffic can be dropped before its low priority traffic.

packet filtering

prioritization of traffic flows

least cost routing

OAM functionality

separation between the data plane and the control plane

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Question 88

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

All AF traffic will be marked 'in-profile' at the SAP-ingress.

All TCP traffic will be mapped to forwarding class EF.

UDP traffic is placed in queue 3 while ICMP traffic is placed in queue 5.

EF traffic will receive higher scheduling priority than H2 traffic.

Traffic that does not match any of the IP criteria will be placed in queue 3.

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Question 89

On the Nokia 7750 SR, what is a slope policy used for?

Defining the slope of the TCP slow-start mechanism for self generated traffic.

Defining the slope of the scheduling rate per forwarding class when using HQoS.

Defining the high and low slope values when deploying buffer admission control for UDP traffic in the committed buffer pool.

Defining the high and low slope values when deploying buffer admission control for TCP traffic in the shared buffer pool.

Defining the high and low slope values when deploying buffer admission control for TCP traffic in the committed buffer pool.

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Question 90

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

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Nokia 4A0-107 Practice Test - Questions Answers, Page 9

Question list

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Question 81

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Question 82

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Question 83

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Question 84

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Question 85

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Question 86

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Question 87

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Question 88

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Question 89

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Question 90

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