Your Path to Success: How to Pass the Nokia 4A0-C02 Nokia SRA Composite Exam Exam

Questions 61

In a BGP VPLS, which of the following BGP attributes is used to carry the L2 MTU?

Options:

The NRLI

The AFI

The SAFI

The extended community

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Questions 62

At which points can traffic be marked or remarked on the Alcatel-Lucent 7750? (Choose two)

Options:

SAP-ingress only

SAP-egress only

SAP-ingress and SAP-egress

Network ingress

Network egress

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Questions 63

Which of the following identify the port roles of the mesh SDPs?

4A0-C02 Question 63

Options:

Option A

Option B

Option C

Option D

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Questions 64

Click the exhibit button below. Each router is interconnected by a single GigE link, as shown in the diagram below.

4A0-C02 Question 64

Note: The arrows show the direction of traffic flow.

Traffic from Customer A and Customer B that is classified to the same forwarding class is queued together at the ingress of Router B.

Options:

True

False

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Questions 65

Which of the following statements BEST defines policing?

Options:

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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Questions 66

How many bits does DSCP use to provide QoS marking options?

Options:

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Questions 67

Click the exhibit button below. The service provider has both a VLL (epipe) service and a VPLS, as shown in the diagram below.

4A0-C02 Question 67

At router PE B, traffic arriving from both services will have the same network-queue policy applied.

Options:

TRUE

FALSE

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Questions 68

Which of the following should be performed if a service provider does not want packets to make use of the shared buffer space when queued?

Options:

Set the CBS to 0.

Set the MBS equal to the CBS.

Set the high-priority-only equal to the MBS.

Set the MBS to 0.

Set the high-priority-only to 0.

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Questions 69

Click the exhibit button below.

4A0-C02 Question 69

Based on the configuration shown below, name the forwarding class to be associated with a TCP packet encapsulated inside an Ethernet frame that arrives on SAP 1/1/5 with the following characteristics:

Destination IP address = 120.110.1.1

TCP port number = 23

DSCP value = nc1

Dot1pvalue = 3

Options:

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Questions 70

Click the exhibit button below. Given the scheduler-policy (below), how much bandwidth can the best-effort traffic receive (PIR and CIR) when the ingress rate of each queue is 10Mbps?

4A0-C02 Question 70

Options:

PIR = 4Mbps. CIR = 1Mbps

PIR = 1Mbps, CIR = 1 Mbps

PIR = 10Mbps, CIR = 1Mbps

PIR = 5Mbps, CIR = 1.25Mbps

PIR = 1.25Mbps, CIR = 1.25Mbps

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Questions 71

Which of the following statements regarding egress FC and profile over-ride are TRUE? (Choose two)

Options:

Packets can be classified into 16 different FCs when using priority mode queuing.

This feature is available on egress SAPs within any service.

MPLS EXP bits can be changed based on multi-field classification.

If a Behavior Aggregate (BA) and Multi-field (MF) match occurs, only the MF override parameters will take effect.

If a Behavior Aggregate (BA) and Multi-field (MF) match occurs, the BA classification can override the forwarding class while the MF classification can override the profile.

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Questions 72

Traffic assigned to forwarding classes is placed into queues, while the contents of the queues are serviced in a controlled manner using____________.

Options:

WRED

shapers

schedulers

markers

weighted fair queues (WFQ)

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Questions 73

Which of the following statements regarding DSCP bits are TRUE? (Choose three)

Options:

The three most significant (first) bits define 8 forwarding classes.

The three least significant (last) bits of the DSCP specify the drop probability.

The full 8 bits of the TOS field are used for DSCP.

To convert DSCP to IP precedence, the three most significant (first) bits are matched.

DSCP provides for eight drop probabilities.

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Questions 74

According to the SAP-ingress QoS policy shown, what needs to be the depth of the CIR bucket of policer 5, as a minimum, for forwarded packets to start being marked as out-of-profile?

4A0-C02 Question 74

Options:

1,000 tokens

2,000 tokens

10,000 tokens

20,000 tokens

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Questions 75

What is the purpose of the Nokia SR design that includes, for every ingress unicast queue, one hardware queue per destination forwarding complex (FFPC)?