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Nokia 4A0-D03 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| SR Linux Architecture and Fundamentals | - Configuration and operational models - Network operating system concepts and containerized routing functions - SR Linux system architecture and components |
| Data Center Interconnect (DCI) | - L2 and L3 DCI design patterns - EVPN-based interconnect solutions - Redundancy and high availability strategies |
| EVPN and VXLAN Data Center Fabric | - EVPN control plane fundamentals - VXLAN data plane and encapsulation - EVPN route types and MAC/IP advertisement |
| Operations, Troubleshooting and Best Practices | - Network optimization and scaling considerations - Troubleshooting BGP EVPN and VXLAN issues - Monitoring SR Linux and EVPN environments |
| BGP and Routing in Data Center Environments | - Interoperability between routing domains - BGP EVPN address families - Route reflection and scaling design |
Nokia SR Linux EVPN and Data Center Interconnect Sample Questions:
Question 1
When PEs are connected to an Ethernet segment with at least one active MAC-VRF, which of the following statements about the AD per EVI updates sent by a PE is FALSE?
A. It contains the route-target so that the update can be imported into the correct MAC-VRF instance.
B. It contains the VNI that is to be used by the remote peers in the data plane.
C. It advertises the multi-homing mode used by the PEs for the Ethernet segment.
D. It is used by the remote peers for aliasing.
Question 2
Which of the following statements about utilizing asymmetric routing in an L3 EVPN network is FALSE?
A. The ingress and egress PE routers will perform both MAC and IP forwarding.
B. All the MAC-VRFs connected to the L3 EVPN network must exist on each PE.
C. Each PE must have a full ARP table for all of the hosts in the L3 EVPN network.
D. If a host interface's has two IP addresses, it must send out two separate EVPN route-type 2 updates for the MAC-VRF.
Question 3
Consider the exhibit.
The two MAC-VRFs are inter-connected using IP-VRF3 which is to be deployed using asymmetric routing.
Which of the following statements is FALSE?
A. MAC-VRF1 and MAC-VRF2 will connect to IP-VRF3 using an IRB interface.
B. Leaf-1 and Leaf-2 must both have instances of MAC-VRF1 and MAC-VRF2.
C. Leaf-1 and Leaf-2 will advertise the IP prefixes to each other using EVPN route-type 5.
D. Leaf-1 and Leaf-2 will advertise host MAC/IP address information using EVPN route-type 2.
Question 4
A host is connected to multiple PEs through multi-homing.
Which of the following is NOT a function of the EVPN route-type 4 route?
A. Allows the other PEs to discover which PEs are connected to the same Ethernet segment.
B. Identifies the type of algorithm to be used in the election process.
C. Identifies the redundancy mode of the Ethernet segment.
D. Triggers the election of a designated forwarder.
Question 5
Which of the following statements about the Layer 2 EVPN configuration/operation in a Nokia SR Linux is FALSE?
A. Remote MAC addresses are learned from MP-BGP EVPN updates.
B. MAC-VRF is configured with a VXLAN-interface towards each remote VTEP.
C. Data plane MAC learning takes place on the local interfaces.
D. The Layer 2 EVPN is implemented as a MAC-VRF.
Solutions:
| Question 1 Answer: A | Question 2 Answer: B | Question 3 Answer: B | Question 4 Answer: B | Question 5 Answer: B |





