[UPDATED 2022] Nokia 4A0-C02 Questions Prepare with Free Demo of PDF [Q208-Q231]

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[UPDATED 2022] Nokia 4A0-C02 Questions Prepare with Free Demo of PDF

NEW 2022 Certification Sample Questions 4A0-C02 Dumps & Practice Exam

Nokia 4A0-C02 Exam Syllabus Topics:

Topic	Details
Topic 1	Describe the operation of providing Internet access using various techniques Demonstrate a sound understanding of BGP mechanics and the role of BGP attributes
Topic 2	Understand the operation of Inter-AS VPRN model A, model B and model C Describe the effect of using advertise-external feature on BGP route propagation
Topic 3	Describe the operation of the basic VPRN architecture Explain the interaction between BGP and interior gatewayprotocol (IGP)
Topic 4	Configure and verify BGP advertise-external, add-paths, and FRR on Nokia SR Describe the operation of BGP fast reroute
Topic 5	Understand full, hub and spoke, and extranet VPRN topologies Plan and implement a basic BGP network using Nokia SR OS
Topic 6	Successfully configure, monitor and troubleshoot a network of multiple BGP peers Implement BGP policies in an Nokia environment

NO.208 How can one ensure that a specific switch will be select as root in an STP network?

Set the bridge priority to 131071.

Set the bridge priority to 0.

Set the bridge priority to 32768.

Leave the bridge priority as the default.

NO.209 AS 65540 routers are iBGP fully-meshed. Assume routers R4, R5 and R6 are configured with addpaths ipv4 send 2 receive”. Which routes to 192.168.0.1/27 is router R6 expected to have in its BGP routing table?

Two routes from router R4.

Two routes from router R5.

Two routes; one from router R4 and one from router R5.

Four routes; two from router R4 and two from router R5.

NO.210 Given the scheduler-policy parameters shown, and assuming the offered rate of each queue is 10 Mbps, what are the operational PIR and CIR for queue 1?

PIR = 4 Mbps, CIR = 1 Mbps

PIR = 1 Mbps, CIR = 1 Mbps

PIR = 10 Mbps, CIR = 1 Mbps

PIR = 5 Mbps, CIR = 5 Mbps

PIR = 1.25 Mbps, CIR = 1.25 Mbps

NO.211 Which of the following organizations would an ISP based in Europe approach for an IP prefix assignment?

ARIN

ICANN

RIPE NCC

LACNIC

APNIC

NO.212 Based upon the exhibit, which of the following statements about LAG 1 is TRUE?

PE1 is the master.

The system-ID used by the CE device is 60:2c:ff:00:00:00.

The Admin Key used by the CE device is 40000.

There is a configuration error between the two MC peers.

NO.213 Which PDU type is sent periodically over a link in the IEEE 802.3ah EFM as a method of keepalive?

Event notification.

Loopback control.

Information.

Variable request.

Variable response.

NO.214 A router has just learned the 10th MAC address while the FDB size is also set to 10. What is the likely outcome?

The frame is dropped.

The frame is always flooded

The frame is forwarded and MAC learning is automatically disabled.

The frame is discarded if the destination is unknown.

More information is required to determine the fate of this new frame.

NO.215 Click the exhibit.

For the PE hub and spoke VPRN, which communities should be imported under the VPRN service on PE2?

“Spoke.Sites” and “Hub_Site”

“Hub_Site”

“Spoke_Sites”

No communities should be imported

NO.216 Click on the exhibit below.

Study the diagram shown. What consideration should be given to the transport tunnel of SDP 300?

The SDP must be configured to use GRE encapsulation.

The SDP must follow the same path as the user’s SDP.

The SDP should be configured to use an RSVP signaled transport with fast reroute.

The SDP must be the same as the user’s SDP.

NO.217 Router R4 is an Alcatel-Lucent 7750 SR configured for the extranet VPRN network. Which CLI command is executed on router R4 to produce the displayed output?

“show router 10 route-table”

“show router route-table”

“show router 20 route-table”

There is no CLI command that can produce this output on router R4

NO.218 Why are provisioning requirements a factor that influence VPLS design? (Choose 2)

Adding or removing a node may require several network touches.

Adding or removing a SAP may require several network touches.

Adding or removing a service may require several network touches.

Adding or removing an Epipe may require several network touches.

Provisioning is a factor for all Ethernet services.

NO.219 What is the maximum number of forwarding subclasses a forwarding class can have?

NO.220 Click the exhibit.

Which of the following best describes the output from the Alcatel-Lucent 7750 SR?

RSVP-TE has signaled a VPRN label.

RSVP-TE has signaled both VPRN and LSP labels.

MP-BGP has signaled both VPRN and LSP labels.

MP-BGP has signaled a VPRN label.

NO.221 Which of the following are categories of forwarding classes on the Alcatel-Lucent 7750 SR? (Choose two)

Real-time

Assured

Non-conforming

High priority

In-profile

NO.222 Click the exhibit.

For the inter-AS model B VPRN, which of the following is FALSE when CE2 sends an IP packet to 192.168.1.1?

PE2 pushes one label on the IP packet and forwards it to ASBR2.

ASBR2 forwards the IP packet with one label to ASBR1.

ASBR1 forwards the IP packet with two labels to PEL

PE1 forwards an unlabeled IP packet to CE1.

NO.223 What are the two primary problems the service provider must consider when providing traditional Layer 3 VPN services using only a single common routing table in the provider core? (Choose two)

Memory exhaustion in the provider core

Route leaking between the customer networks

CPU utilization for route processing

Unwanted packet forwarding between customer networks

NO.224 In a provider core consisting of 6 PE and 4 P routers, what is the minimum number of BGP sessions required in total for correct operation of VPRN services?

NO.225 Complete the following statement. In a VPRN, the label signaled by RSVP-TE is used to ______________.

Identify the egress PE in the MPLS domain

Signal the egress VPRN ID

Identify the ingress PE in the MPLS domain

Transport route updates between PEs

NO.226 In IEEE 802.1ag, which two key functions are configured on bridge ports (SAPs and SDPs) to support CFM messages? (Choose 2)

MEP

MAP

MIP

MUP

NO.227 Click on the exhibit below.

Which SDP on R3 will MAC addresses be associated with for devices behind R2?

It depends if traffic is received via R4 or R1 from devices behind R2.

The devices cannot communicate based on the configuration in the diagram so there will be no mac address association.

Devices behind R2 will be associated with the sdp between R3 and R1.

Devices behind R2 will be associated with the sdp between R3 and R4.

NO.228 In the following diagram, traffic ingressing on SAP 1/2/3:1 will be passed to the layer-2 DPI device for inspection based on a filter policy applied to the ingress of the SAP. What feature should be enabled on SAP 1/2/1:100 and SAP 1/2/2:100 to ensure that incorrect information is not populated in the FDB of VPLS 1?

Learning should be disabled on both SAPs connected to the DPI device to prevent FDB instability

A MAC filter should be applied to both SAPs connected to the DPI to limit MAC learning on the port

An IP filter should be applied to both SAPs connected to the DPI to prevent FDB instability

The SAPs connected to the DPI should be configured with the “discard-unknown” feature to limit MAC learning on the port

NO.229 The service mtu of a VPLS is set to 9100. What is the recommended MTU value that can be set for the access port assuming dot1q encapsulation?

9100

9104

9108

9122

9126

NO.230 The policies shown below from the configuration of an Alcatel-Lucent 7750 SR have been created to implement an Extranet VPRN between the main sites of two separate VPRNs. How should these policies be applied?

ample Policy should be applied as an export policy on the PE connected to the main site of Customer 1

ample Policy 3 should be applied as an export policy on the PE connected to the main site of Customer 2

ample Policy 3 should be applied as an export policy on both PEs connected to the main site of Customer 1 and the main site of Customer 2

ample Policy should be applied as an export policy on both PEs connected to the main site of Customer 1 and the main site of Customer 2

ample Policy should be applied as an export policy on all PEs connected to sites of Customer 1

NO.231 Click the exhibit.

An Alcatel-Lucent 7750 SR is to be configured as a core router that supports VPRNs using LDP as the transport protocol. Which of the following best describes this configuration?

This configuration is correct and complete.

This configuration is correct, but the interfaces must also be configured in the “configure router mpls” context.

There is no configuration required for LDP in the core network.

This configuration is correct but Targeted-LDP is also required.

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