Nokia 4A0-D03 Exam Overview:
| Certification Vendor: | Nokia |
|---|---|
| Exam Name: | Nokia SR Linux EVPN and Data Center Interconnect |
| Exam Number: | 4A0-D03 |
| Available Languages: | English |
| Sample Questions: | Nokia 4A0-D03 Sample Questions |
Nokia 4A0-D03 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Data Center Interconnect (DCI) | - Resiliency and convergence
|
| SR Linux Data Center Architecture | - Fabric design principles
|
| EVPN Fundamentals | - EVPN architecture and control plane
|
| BGP EVPN Control Plane Operations | - Multi-homing scenarios
|
Nokia SR Linux EVPN and Data Center Interconnect Sample Questions:
Leaf routers are configured to support Layer 2 multi-homing all-active mode.
Which of the following statements is FALSE?
- A. A LAG must be configured on the participating leaf routers.
- B. If VLAN tagging is to be used, then it must be enabled on the LAG interface.
- C. The LAG interface must then be associated with the Ethernet segment.
- D. If using LACP, the system-id-mac must uniquely identify each leaf router connected to the host.
Correct Answer: D 🗳️
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Consider the exhibit.
dcgw10 is a Nokia 7750SR and is used as the integrated gateway.
Which of the following is NOT configured in VPLS 100 on dcgw10?
- A. The EVI to be used by the VPLS.
- B. A VXLAN instance with the VNI for the VPLS.
- C. A BGP instance with two unique route targets.
- D. The BGP instance bound to the MPLS tunnels toward dcgw20.
Correct Answer: B 🗳️
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Which of the following statements about utilizing asymmetric routing in an L3 EVPN network is FALSE?
- A. Each MAC-VRF used in the L3 EVPN network must exist on each PE.
- B. The ingress PE performs both MAC and IP forwarding.
- C. EVPN route-type 5 must be supported by the PEs involved.
- D. The egress PE performs MAC forwarding only.
Correct Answer: C 🗳️
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Which of the following statements about EVPN PE-CE routing, using BGP as the routing protocol, is FALSE?
- A. iBGP is preferred between the CE and PE so that they will be in the same autonomous system.
- B. The PE advertises IPv4/IPv6 BGP updates to the CE based on the EVPN routes received from other PEs.
- C. The PE advertises updates received from the CE as EVPN route type 5 updates to the other PEs.
- D. The PE and CE can utilize import and export policies to control the updates that are sent and received.
Correct Answer: A 🗳️
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Consider the exhibit.
All three leafs have an EVPN MP-BGP session with the route reflector in Spine-1. Leaf-2 and Leaf-3 have existing instances of an L2 EVPN named MAC VRF-1. Leaf-1 has just enabled a new instance of MAC VRF-1.
Which of the following steps is NOT taken when this new instance is enabled?
- A. Leaf-1 generates an IMET route.
- B. Leaf-2 and Leaf-3 auto-discover the new peer based on the route target in the received IMET route.
- C. Leaf-2 and Leaf-3 add Leaf-1 to their existing flooding list for BUM traffic.
- D. Leaf-1 advertises the IMET route in a BGP EVPN update directly to Leaf-2 and Leaf-3.
Correct Answer: D 🗳️
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