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Nokia 4A0-D03 Exam Syllabus Topics:

Nokia SR Linux EVPN and Data Center Interconnect Sample Questions:

1. 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) Data plane MAC learning takes place on the local interfaces.
C) MAC-VRF is configured with a VXLAN-interface towards each remote VTEP.
D) The Layer 2 EVPN is implemented as a MAC-VRF.

2. Consider the exhibit.

Which of the following is NOT configured on dcgw10 to support the Layer 3 VPN connectivity?

A) The base BGP instance to support vpn-ipv4 and evpn address families.
B) A binding of the VPRN instance to the MPLS tunnels towards dcgw20.
C) A routed VXLAN interface for the VPRN instance.
D) A vrf-target matching the vrf-target on dcgw20 in the VPRN instance.

3. Which of the following statements about the decoupled gateway-based data center interconnect solution is TRUE?

A) VXLAN tunnels are established between the leaf routers in the different data centers.
B) The IP addresses of all the leaf routers and route-reflectors must be reachable by the routers in the WAN.
C) There is a clear demarcation for security and QoS between the data center border leaf and the WAN PE.
D) The WAN PE maintains a peering session with the data center route reflector.

4. Which of the following statements about a L3 EVPN network using symmetric routing is FALSE?

A) Each participating PE must support the use of EVPN route-type 5.
B) A routed-VXLAN interface is required on a per IP-VRF basis.
C) Ingress and egress PEs perform MAC and IP forwarding.
D) Each MAC-VRF used in the L3 EVPN network must exist on each PE.

5. Consider the exhibit.

All three of the leafs have a MP-BGP EVPN session to the route-reflector Spine-1. Leaf-1, Leaf-2 and Leaf-3 have existing instances of an L2 EVPN named MAC VRF-1. Host-1 has just sent its first Ethernet frame into MAC VRF-1 on Leaf-1.
Which of the following steps is FALSE?

A) The route-reflector forwards the EVPN update to Leaf-2 and Leaf-3.
B) Leaf-1 generates an EVPN route-type 5 update with Host-1's MAC address and sends it to the route reflector.
C) Leaf-1 populates Host-1's MAC address learnt on the local interface to its MAC table.
D) Leaf-2 and Leaf-3 import the EVPN update based upon the route target.

Solutions: