Nokia 4A0-D03 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: EVPN and VXLAN Data Center Fabric | - EVPN control plane fundamentals - VXLAN data plane and encapsulation - EVPN route types and MAC/IP advertisement |
| Topic 2: Operations, Troubleshooting and Best Practices | - Monitoring SR Linux and EVPN environments - Troubleshooting BGP EVPN and VXLAN issues - Network optimization and scaling considerations |
| Topic 3: SR Linux Architecture and Fundamentals | - Configuration and operational models - Network operating system concepts and containerized routing functions - SR Linux system architecture and components |
| Topic 4: Data Center Interconnect (DCI) | - L2 and L3 DCI design patterns - EVPN-based interconnect solutions - Redundancy and high availability strategies |
| Topic 5: 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:
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 advertises the multi-homing mode used by the PEs for the Ethernet segment.
B) It contains the VNI that is to be used by the remote peers in the data plane.
C) It contains the route-target so that the update can be imported into the correct MAC-VRF instance.
D) It is used by the remote peers for aliasing.
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) If a host interface's has two IP addresses, it must send out two separate EVPN route-type 2 updates for the MAC-VRF.
C) All the MAC-VRFs connected to the L3 EVPN network must exist on each PE.
D) Each PE must have a full ARP table for all of the hosts in the L3 EVPN network.
3. Which of the following statements about the configuration of a distributed Layer 2 EVPN in a Nokia SR Linux is FALSE?
A) Only one VXLAN-interface can be associated to the Layer 2 EVPN.
B) The route distinguisher is auto-generated using the autonomous system number and EVI.
C) The route-targets are manually configured when the leaf routers are in different autonomous systems.
D) Each PE participating in the Layer 2 EVPN must be configured with the same EVPN instance ID (EVI).
4. Which of the following EVPN route-types is used to implement aliasing?
A) Ethernet segment routes
B) AD per ES routes
C) IP/MAC routes
D) AD per EVI routes
5. Consider the exhibit.
Which of the following statements about the configuration and operation of this setup is TRUE?
A) The Ethernet segment ES-1 will be associated to the ports that connect to the host.
B) The MAC-VRF on Leaf3 will need to be configured with ECMP to be able to load balance between Leaf1 and Leaf2.
C) The host will be required to be configured with a LAG.
D) The MAC-VRF on Leaf1 and Leaf2 is configured with multi-homing-mode all-active.
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: C | Question # 3 Answer: D | Question # 4 Answer: D | Question # 5 Answer: A |
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