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4A0-115 Nokia Ethernet Virtual Private Network Services Free Practice Exam Questions (2025 Updated)

Prepare effectively for your Nokia 4A0-115 Nokia Ethernet Virtual Private Network Services 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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Total 40 questions

Proxy-ARP/ND is operational for a VPLS. Which of the following statements is FALSE?

A.

The PE has proxy-ARP and dynamic-populate enabled for the VPLS.

B.

The proxy-ARP table is populated by snooping IP packets received from remote PEs.

C.

When the PE learns a local host IP address, it adds an entry into its proxy-ARP table.

D.

The PE advertises a MAC/IP route that includes the MAC and IP address of a local host.

Based upon the exhibit, how many MAC-VRFs are there?

A.

1

B.

2

C.

3

D.

4

In the exhibit,

MACI moves from PEI to PE2. Which of the following actions related to this MAC address mobility is performed?

A.

CEI generates an update message to PEI withdrawing its MAC.

B.

PEI generates an update message to remote PES identifying the new location of CEI.

C.

PE2 advertises a MAC/IP route for MACI with a sequence number higher than that received from PEI.

D.

PE3 waits to receive a data packet from CEI to update its FDB entry for MACI.

Examine the exhibit.

Which of the following statements about the EVPN routes exchanged for EVPN VPWS 2 is TRUE?

A.

PEI advertises an A-D per EVI route that includes a tag ID set to 40.

B.

PEI advertises an A-D per EVI route that includes a non-zero Layer-2 MTLJ.

C.

PE2 advertises an A-D per EVI route that includes a P flag set to I.

D.

All PES advertise a MAC route that includes a non-zero MPLS label.

The interface-ful numbered model is used for a Layer-3 EVPN service. Which of the following statements is FALSE?

A.

EVPN routes are advertised with a service label associated with the SBD VPLS.

B.

IP-Prefix routes exchanged between PES include a non-zero gateway IP address as an overlay index.

C.

EVPN MAC/IP routes are used to advertise the MAC and IP addresses of local hosts.

D.

EVPN MAC/IP routes are used to advertise the MAC and IP addresses of SBD IRB interfaces.

In the exhibit, VPWS 4 enables communications between CEI and CE2. Which of the following statements regarding the operation of VPWS 4 is FALSE?

A.

PEI advertises an auto-discovery per EVPN instance (A-D per EVI) route to PE3 as soon as the SAP becomes operationally

B.

PE3 advertises an IMET route to PEI as soon as VPWS 4 is administratively enabled.

C.

PEI and PE3 exchange their service labels using A-D per EVI routes.

D.

PE3 and PE4 exchange their service labels over an established targeted LDP session.

In the exhibit, the EVPN-IRB is configured to use the interface-ful unnumbered model. Which of the following statements regarding the route advertisement is FALSE?

A.

PEI advertises an EVPN IP-Prefix route for prefix 10.10.1.0/24 to PE3. The BGP update includes MAC-OI as on overlay index.

B.

PEI advertises an EVPN MAC route for MAC-OI to PE3. The BGP update includes the route-target value configured for VPRN 15.

C.

PE3 advertises a VPN-IPv4 route for prefix 10.10.1.0/24 to PE4. The BGP update includes an MPLS service label.

D.

PE4 advertises an EVPN IP-Prefix route for prefix 10.10.1.0/24 to PE2. The BGP update includes MAC-04 as an overlay index.

What are EVPN inclusive multicast Ethernet tag (IMET) routes used for?

A.

To advertise the MAC or MAC/IP addresses of locally-learned hosts

B.

To advertise the redundancy mode of a local Ethernet segment

C.

To discover all PES participating in the same VPIS service

D.

To discover all PES attached to the same Ethernet segment

Which of the following EVPN routes are exchanged to support the operation of a multi-homed EVPN VPWS?

A.

Auto-discovery per EVPN instance (A-D per EVI) routes and Auto-discovery per Ethernet segment (A-D per ES) routes only

B.

MAC/IP routes, A-D per EVI routes, and A-D per ES routes

C.

A-D per EVI routes, A-D per ES routes, and Ethernet segment (ES) routes

D.

A-D per EVI routes and ES routes only

Based upon the exhibit, which of the following statements is FALSE?

A.

VPLS 10 must be configured with two BGP instances on PE3 and PE4.

B.

On PE3 and PE4, VPLS 10 must be configured with two different route-distinguisher values: one for VXLAN and another for MPLS.

C.

On PE3 and PE4, VPLS 10 must be configured with two different route-target values: one for VXLAN and another for MPLS.

D.

A BGP export policy is required on PE3 and PE4 to ensure that IMET routes originated with VXLAN encapsulation are not advertised to the peer across the core network.

Which of the following statements about the operation of a single-homed EVPN VPWS is TRUE?

A.

The same tag ID must be configured for the local attachment circuit (AC) at each PE.

B.

Each PE advertises a MAC route and an A-D per EVI route when its local AC becomes operationally UP.

C.

The advertised A-D per EVI route includes a non-zero tag ID and a non-zero MPLS label.

D.

Each PE verifies that the received tag ID matches its configured local AC tag ID.

In the exhibit, PE2 is receiving an EVPN auto-discovery (A-D) route from PEI. Based on the output, which of the following statements is FALSE?

A.

This route is an A-D per EVPN instance (A-D per EVI) route advertised by PEI for a VPWS.

B.

This route indicates that the EVPN service configured on PEI is multi-homed.

C.

This route indicates that the EVPN service is configured on PEI with an EVPN instance (EVI) of 113.

D.

This route indicates that the EVPN service is configured on PEI with a service MTU of 1514.

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