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4A0-104 Nokia Alcatel-Lucent Services Architecture Free Practice Exam Questions (2025 Updated)

Prepare effectively for your Nokia 4A0-104 Alcatel-Lucent Services Architecture certification with our extensive collection of free, high-quality practice questions. Each question is designed to mirror the actual exam format and objectives, complete with comprehensive answers and detailed explanations. Our materials are regularly updated for 2025, ensuring you have the most current resources to build confidence and succeed on your first attempt.

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Click the exhibit.

Assuming CE1 exports its system address using BGP, is a routing policy required on PE1 to advertise CE1's system address to PE2?

A.

Yes, A routing policy is required to advertise routes between PE routers in a VPRN regardless of the CE-PE routing.

B.

Yes, A routing policy is required in this case because BGP is used as the PE-CE routing protocol.

C.

No, a routing policy is not required. By default, the Alcatel-Lucent 7750 SR will advertise all VPRN routes between PE routers.

D.

No, a routing policy is not required on PE1, but an import policy is required on PE2.

Which of the following about Hierarchical VPLS is FALSE?

A.

They allow a VPLS to scale more easily.

B.

They use mesh SDPs to connect smaller VPLSes together.

C.

They allow a service to span multiple metro networks.

D.

They simplify the configuration required when adding new PEs.

Which of the following about VPRN labels is FALSE?

A.

The outer label allows traffic to transit across the MPLS network.

B.

The inner label identifies the VPRN service.

C.

MP-BGP is used to signal VPRN labels.

D.

The VPRN service label contains the customer's IP address.

Which of the following about SDPs is TRUE?

A.

SDP IDs must be locally unique.

B.

SDPs are specific to one service type.

C.

SDPs must use MPLS for their encapsulation.

D.

An SDP is required for a local service.

Which of the following about the Alcatel-Lucent 7750 SR svc-ping, when used in-band, is FALSE?

A.

It will show the hops taken between service endpoints.

B.

It will test the delay across the service.

C.

It will test the SDPs of a service in both directions.

D.

It will test the round-trip connectivity of the service.

Which of the following about F-pipes is FALSE?

A.

F-pipes use SAPs in the form of port: DLCI (e.g. 1/2/3:65).

B.

To the customer, the PE appears as a native Frame Relay UNI (User Network Interface).

C.

Multiple Frame Relay circuits can be mapped to a single F-pipe service on the Alcatel-Lucent 7750 SR.

D.

The MPLS control word is required because the Frame Relay header is not encapsulated in the frame.

Which of the following about VPRN VRF tables is FALSE?

A.

VRF information is advertised between PEs using MP-BGP.

B.

VRF tables are used to forward traffic to CEs.

C.

P routers use VRF tables to maintain customer-specific information.

D.

VRF tables provide isolation between customers.

On an Alcatel-Lucent 7750 SR, which of the following about a VPLS is FALSE?

A.

By default, the VC ID on the mesh SDPs of a VPLS are set to the service ID.

B.

A VPLS appears to the customer as a direct Ethernet connection.

C.

Mesh SDPs are used for VPLSes to avoid loops.

D.

By default, T-LDP is used for signaling service labels.

Which of the following about the BGP VPN-IPv4 address family is FALSE?

A.

When a PE router receives an IPv4 prefix from its local CE, it creates a VPN-IFV4 prefix.

B.

VPN-IPv4 allows BGP to distinguish between duplicate prefixes originating from different customers.

C.

In a VPRN, data traffic is carried in packets that have VPN-IPv4 addresses.

D.

VPN-IFV4 addresses are only present within the service provider network.

On an Alcatel-Lucent 7750 SR, which of the following statements about the default advertisement of VRF routes is true?

A.

All routes in the VRF are advertised to the PEs and CEs.

B.

No routes in the VRF are advertised to the PEs or to the CEs.

C.

All routes in the VRF are advertised to the PEs, but not to the CEs.

D.

All routes in the VRF are advertised to the CEs, but not to the PEs.

Which of the following about IES is TRUE?

A.

An IES requires a spoke SDP.

B.

A virtual route table must be configured for an IES service.

C.

An IES service must use static routes to communicate with customer networks.

D.

An IES must have at least one SAP defined.

Click the exhibit.

This output is from a router that is part of a 6VPE deployment using a VPRN. Which type of router would this configuration be found on?

A.

A CE router.

B.

A P router.

C.

A PE router.

D.

Both P and PE routers.

Which of the following about 6VPE is FALSE?

A.

To advertise VPN-IPv4 and VPN-IFV6 routes, two MP-BGP sessions are required.

B.

PE routers must support both IPv4 and IPv6 addresses; customer routers can use either one.

C.

MP-BGP is used to advertise IPv6 prefixes and the associated VPRN labels.

D.

The provider core routers are IPv6-unaware.

Which of the following fields is NOT present in a GRE encapsulated VPN service packet?

A.

DLC Header

B.

Control Word

C.

Transport Label

D.

Service Label

Which protocol can be used to signal the outer label for a VPN service?

A.

IPCP

B.

LDP

C.

PPP

D.

TLDP

Which of the following about VPRN route targets is FALSE?

A.

Route targets are carried in MP-BGP updates.

B.

Route targets identify the VRF that a VPN-IFV4 prefix is associated with.

C.

Route targets are communicated between PEs that are part of a specific VPRN.

D.

Route targets identify the egress SAP of a service towards a CE.

Click the exhibit.

PE1 and PE2 are Alcatel-Lucent 7750 SRs.Which of the following is the missing configuration required on PE2 to complete the mirror?

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Click the exhibit.

An operator at PE1 wants to analyze the traffic between CE1 and PE1 on SAP 1/1/3, On an Alcatel-Lucent 7750 SR, which of the following is NOT required as part of the configuration?

A.

A mirror source with a defined source type.

B.

A mirror source defined with an SDP destination.

C.

A mirror destination with a SAP defined.

D.

A mirror destination and a mirror source with the same service ID.

Click the exhibit.

Both clips of output are from router R4. The show service command indicates that an SDP is down. What might be the cause?

A.

The mesh SDP on router R4 has been shutdown.

B.

The mesh SDP on 10.10.10.1 has been shutdown.

C.

The service MTU on 10.10.10.1 has been set to a different value.

D.

The IngLbl and EgrLbl that router R4 has for 10.10.10.1 are identical.

A customer requests that their Layer 2 Ethernet service be configured to forward frames up to 1500 bytes. The service provider is using MPLS encapsulation (without RSVP-TE fast-reroute) on their IP/MPLS network.What is the minimum MTU setting for the network ports?

A.

1512

B.

1522

C.

1536

D.

1542

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