Trusted Nokia 4A0-C02 Exam Dumps – Avoid Costly Exam Retakes

Question No: 1

MultipleChoice

A router receives two routes from its neighbors: a route from OSPF for 10.0.0.0/24, and a route from BGP for 10.0.0.0/8. Both routes have reachable next hops. Which of the following is TRUE?

Options

AOnly the BGP route is in the route table.

BBoth routes are in the route table.

CNone of the routes is in the route table.

DOnly the OSPF route is in the route table.

Question No: 2

MultipleChoice

A router in AS 65100 receives three routes for 138.120.0.0/16. The first route has an AS Path of 65200 65400 65300 and a local preference of 150. The second route has an AS Path of 65200 65300 and a local preference of 100. The third route has an AS path of 65600 65300 and a local preference of 200. Which route will appear in the RIB-In?

Options

AOnly the first route will appear in the RIB-In.

BOnly the second route will appear in the RIB-In.

COnly the third route will appear in the RIB-In.

DAll routes will appear in the RIB-In.

Question No: 3

MultipleChoice

Click the exhibit.

A Carrier Supporting Carrier (CSC) VPRN is configured on an Alcatel-Lucent 7750 SR for a customer carrier who is an Internet Service Provider (ISP). Which of the following configuration steps is NOT required?

Options

AConfiguring iBGP sessions between PEs residing in different customer carrier sites,

BConfiguring a policy on each CSC-CE to advertise local PE addresses to the network provider.

CConfiguring a CSC VPRN on each CSC-PE with a SAP interface towards the attached CSC-CE.

DConfiguring an IES service on PEL

Question No: 4

MultipleChoice

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

Options

APE2 pushes one label on the IP packet and forwards it to ASBR2.

BASBR2 forwards the IP packet with one label to ASBR1.

CASBR1 forwards the IP packet with two labels to PEL

DPE1 forwards an unlabeled IP packet to CE1.

Question No: 5

MultipleChoice

For the inter-AS model C VPRN, which router is configured as shown?

Options

APE1

BRR1

CASBR1

DASBR2

Question No: 6

MultipleChoice

For the inter-AS model C VPRN, which of the following statements about a data packet sent from CE1 toCE2isTRUE?

Options

APE1 sends the data packet with three labels: the bottom label is a service label, the middle label is a BGP label, and the top label is an LDP label.

BASBR1 sends the data packet with one label: the BGP label.

CASBR1 sends the data packet with one label: the service label.

DASBR2 sends the data packet with three labels: the bottom label is a service label, the middle label is a BGP label, and the top label is an LDP label.

Question No: 7

MultipleChoice

.

A Carrier Supporting Carrier (CSC) VPRN is configured on an Alcatel-Lucent 7750 SR for a customer carrier offering VPRN services. Which of the following about this configuration is FALSE?

Options

AIn the CSC VPRN, configure an eBGP session between CSC-PE and CSC-CE and use the 'advertise-label vpn-ipv4' CLI command to enable the advertisement of VPN-IPv4 routes.

BWhen the customer carrier uses the same autonomous system number in various sites, use the 'loop-detect off' CLI command to disable the loop detection functionality on CSC-CE and PE routers.

COn the CSC-PE routers, use the 'carrier-carrier-vpn' CLI command to configure the VPRN service as CSC.

DConfigure an iBGP session between PE1 and PE2 and use the 'family vpn-ipv4' CLI command to directly exchange end-customer routes learned from CE1 and CE2.

Question No: 8

MultipleChoice

A Carrier Supporting Carrier (CSC) VPRN is configured for a customer carrier who is an Internet Service Provider (ISP). Which route is NOT present in PE1's global routing table?

Options

A192.60.100.0

B10.10.10.6

C10.10.10.3

D192.50.1.1

Question No: 9

MultipleChoice

For the Carrier Supporting Carrier (CSC) VPRN, which routes are advertised between CSC-CE1 andCSC-PE1?

Options

AVPN-IPv4 routes for all PE system addresses in AS 1000

BBGP labeled IPv4 routes for all PE system addresses in AS 1000

CVPN-IPv4 routes for all PE system addresses in AS 5000

DBGP labeled IPv4 routes for all PE system addresses in AS 5000

Question No: 10

MultipleChoice

A Carrier Supporting Carrier (CSC) VPRN is configured for a customer carrier who is a BGP/MPLS service provider. Which route is present in PE1's global routing table?

Options

A192.168.10.1

B192.168.20.1

C10.10.10.1

D10.10.10.6

Question No: 11

MultipleChoice

If the displayed command is executed, what is the correct value of AS-Path in the BGP route 172.12.0.0/16 advertised by PE2?

Options

A64491 {64492 64493}

B64491

C64492 64493 64491

D{64492 64493)64491

Question No: 12

MultipleChoice

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

Options

AThis configuration is correct and complete.

BThis configuration is correct, except that the system interface must be added.

CThis configuration is correct, except that the interfaces facing the CE routers must be added.

DMPLS configuration is not required.

Question No: 13

MultipleChoice

The AS-path nullification method is used to prevent CE2 from discarding routes received from CE1. On which router should the AS-path nullification policy be configured?

Options

ACE1

BPE2

CPE1

DCE2

Question No: 14

MultipleChoice

AS-override is configured on PE1 to eliminate the BGP loops. What is the expected AS-Path in the VPN-IPv4 route 64496:10:192.168.2.0/27 received by PE1?

Options

A64496 64497

B64496

C64497

D64497 64497

Question No: 15

MultipleChoice

The headquarter sites of VPRN 10 and VPRN 20 ate part of an extranet VPRN. Which of the following communities are included in the export policy applied to VPRN 10 on router R1?

Options

A'Extranet-VPN-Blue' and 'Extranet-VPN-Green'

B'Blue-Only'

C'Extranet-VPN-Blue'

D'Blue-Green'

Question No: 16

MultipleChoice

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

Options

A'Spoke.Sites' and 'Hub_Site'

B'Hub_Site'

C'Spoke_Sites'

DNo communities should be imported

Question No: 17

MultipleChoice

All sites in the displayed network require Internet access. Route reflector 1(RR1) is used for Internet routes only and route reflector 2(RR2) is used for VPN routes only. Which of the following is FALSE?

Options

ABGP sessions between RR1 and PE routers support only the IPv4 address family.

BBGP sessions between RR2 and PE routers support only the VPN-IPv4 address family.

CRR2 establishes BGP sessions with PEL PE2 and PE3.

DRR1 establishes BGP sessions only with PE1 and PE2.

Question No: 18

MultipleChoice

One Route Distinguisher is assigned per VRF. If CE1 and CE2 advertise prefix 10.1.1.0/24, which of the following statements is FALSE?

Options

APE1 and PE2 advertise the same VPN route to the route reflector.

BThe route reflector receives two routes for prefix 10.1.1.0/24; one from PE1 and one from PE2.

CThe route reflector reflects two routes for prefix 10.1.1.0/24.

DPE3 receives two routes and is able to load balance traffic across PE1 and PE2.

Question No: 19

MultipleChoice

Which of the following statements about the implementation of the CE hub and spoke topology is FALSE?

Options

APE1 advertises spoke routes to CE1.

BThe primary VRF on PE1 is used to route data packets from the hub CE to the spoke sites.

CThe secondary VRF on PE1 contains routes learned from the spoke sites.

DSpoke sites do not learn routes from other spoke sites directly.

Question No: 20

MultipleChoice

The displayed output is from an ASBR supporting an inter-AS model A VPRN. Which of the following statements about this output is TRUE?

Options

AThe neighbor shown is an ASBR router.

BThe address family between the peers should be VPN-IPv4 instead of IPv4.

CThe neighbor address cannot be the interface address 10.3.4.4.

DThe omitted AS number under 'BGP summary' must be equal to 64496.

Free Nokia 4A0-C02 Exam Dumps May 2026