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  • 4A0-115: Nokia Ethernet Virtual Private Network Services

Nokia 4A0-115 Exam

Certification Provider: Nokia
Exam Name: Nokia Ethernet Virtual Private Network Services
Duration: 90 Minutes
Number of questions in our database: 40
Exam Version: Apr. 23, 2024
4A0-115 Exam Official Topics:
  • Topic 1: EVPN route types advertised to support EVPN VPLS/ Use of EVPN IMET routes to populate the VPLS flooding lists
  • Topic 2: Use of EVPN to support Layer-3 routing/ EVPN basic operation
  • Topic 3: Layer-3 symmetric interface-ful numbered model/ EVPN route types advertised to support EVPN-IRB
  • Topic 4: Operation of a single-active EVPN VPWS/ EVPN route types advertised to support EVPN VPWS
  • Topic 5: Configuring an EVPN VPLS using VXLAN encapsulation/ Use of EVPN MAC routes to populate the VPLS FDB tables
  • Topic 6: Split-horizon mechanism used to prevent flooding BUM traffic back to originating ES
  • Topic 7: Configuring an EVPN VPLS using MPLS encapsulation/ EVPN-VXLAN and EVPN-MPLS interconnect for a VPLS
  • Topic 8: Use of EVPN routes to populate route tables/ EVPN integrated routing and bridging (IRB) architecture
  • Topic 9: Operation of preference-based DF election algorithm/ Aliasing mechanism used to enable load-balancing
  • Topic 10: Use of EVPN for data center services/ EVPN route types required to support multi-homing
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Free Nokia 4A0-115 Exam Actual Questions

The questions for 4A0-115 were last updated On Apr. 23, 2024

Question #1

Examine the exhibit.

Which of the following statements about the operation of VPLS 20 is TRUE?

Reveal Solution Hide Solution
Correct Answer: D

PE1 does not advertise a MAC route for MAC-01 when its VPLS 20's SAP becomes operationally UP.PE1 advertises an EVPN MAC/IP route for MAC-01, which includes the IP address of Host 1 and the ESI of the Ethernet segment1.

Verified Reference:Ethernet Virtual Private Networks (EVPNs)


Question #2

Examine the exhibit.

Which of the following configuration conditions is required for the proper operation of EVPN VPWS 2?

Reveal Solution Hide Solution
Correct Answer: A

The local AC tag ID configured on PE2 must match the local AC tag ID configured on PE1. This ensures that the tag IDs are consistent across both ends of the VPWS service.The remote AC tag ID configured on PE2 does not need to match the remote AC tag ID configured on PE3, as long as they are unique within each PE1.

Verified Reference:Ethernet Virtual Private Networks (EVPNs)


Question #3

Examine the exhibit.

Which of the following statements about the operation of VPLS 20 is TRUE?

Reveal Solution Hide Solution
Correct Answer: D

PE1 does not advertise a MAC route for MAC-01 when its VPLS 20's SAP becomes operationally UP.PE1 advertises an EVPN MAC/IP route for MAC-01, which includes the IP address of Host 1 and the ESI of the Ethernet segment1.

Verified Reference:Ethernet Virtual Private Networks (EVPNs)


Question #4

In the exhibit,

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

Reveal Solution Hide Solution
Correct Answer: C

PE2 advertises a MAC/IP route for MAC1 with a sequence number higher than that received from PE1. This indicates that MAC1 has moved from PE1 to PE2 and triggers a MAC withdrawal message from PE1 to remote PEs.CE1 does not generate an update message to PE1 withdrawing its MAC, nor does PE1 generate an update message to remote PEs identifying the new location of CE11.

Verified Reference:Ethernet Virtual Private Networks (EVPNs)


Question #5

Examine the exhibit.

Which of the following statements about the operation of VPLS 20 is TRUE?

Reveal Solution Hide Solution
Correct Answer: D

PE1 does not advertise a MAC route for MAC-01 when its VPLS 20's SAP becomes operationally UP.PE1 advertises an EVPN MAC/IP route for MAC-01, which includes the IP address of Host 1 and the ESI of the Ethernet segment1.

Verified Reference:Ethernet Virtual Private Networks (EVPNs)


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