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Nokia 4A0-D03 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: BGP and Routing in Data Center Environments | - Interoperability between routing domains - Route reflection and scaling design - BGP EVPN address families |
| Topic 2: Data Center Interconnect (DCI) | - Redundancy and high availability strategies - L2 and L3 DCI design patterns - EVPN-based interconnect solutions |
| Topic 3: Operations, Troubleshooting and Best Practices | - Network optimization and scaling considerations - Monitoring SR Linux and EVPN environments - Troubleshooting BGP EVPN and VXLAN issues |
| Topic 4: EVPN and VXLAN Data Center Fabric | - EVPN control plane fundamentals - VXLAN data plane and encapsulation - EVPN route types and MAC/IP advertisement |
| Topic 5: SR Linux Architecture and Fundamentals | - Network operating system concepts and containerized routing functions - Configuration and operational models - SR Linux system architecture and components |
Nokia SR Linux EVPN and Data Center Interconnect Sample Questions:
1. Which of the following four symmetric routing options does NOT require the use of an EVPN route-type 2?
A) Prefix routing interface-ful numbered
B) Prefix routing interface-ful unnumbered
C) Host routing
D) Prefix routing interface-less
2. Which of the following statements about the gateway-less data center interconnect solution is FALSE?
A) The data center border leaf and gateway can use either eBGP or static routes to exchange routing information.
B) It provides a clear demarcation for security between the border leaf and gateway.
C) The route reflectors must be reachable between different data centers.
D) All of the data centers leaf routers must be reachable over the WAN network.
3. Consider the exhibit.
Which of the following statements about the configuration and operation of this setup is FALSE?
A) The Ethernet segment ES-1 is configured with multi-homing-mode all-active.
B) A sub-interface of lag1 is associated to the MAC-VRF on Leaf1 and Leaf2.
C) The MAC-VRF on Leaf3 will need to be configured with ECMP to be able to load balance between Leaf1 and Leaf2.
D) The host will forward all BUM traffic toward the DF.
4. Which of the following is always found in an extended community associated with an EVPN update?
A) The AFI/SAFI
B) The route target
C) The VXLAN network ID
D) The EVPN route type
5. Which of the following statements about MAC mobility is TRUE?
A) The originating PE and the destination PE must synchronize their MAC tables.
B) A PE advertising a local MAC that was previously learned through EVPN, will decrement the sequence number in its update.
C) The originating PE generates a withdraw message after the same locally learned MAC has aged out.
D) The original PE advertises the locally learned MAC with the sequence number set to a maximum value.
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: B | Question # 3 Answer: D | Question # 4 Answer: B | Question # 5 Answer: C |
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