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Nokia 4A0-D03 Exam Syllabus Topics:

Nokia SR Linux EVPN and Data Center Interconnect Sample Questions:

Question 1

Which of the following GARP functions is FALSE?

A. The other hosts in the subnet will acknowledge the receipt with a reply.
B. The GARP is sent as a broadcast.
C. A host sends a GARP to update its own IP/MAC mapping to the other hosts in the subnet.
D. All other hosts within the subnet will update their ARP tables.

Question 2

e-BGP is used as the routing protocol in the data center underlay.
When configuring the EVPN MP-BGP route reflector sessions, which of the following statements is FALSE?

A. If redundant route reflectors are deployed, the client leaf routers will receive duplicated updates.
B. The leaf's underlay autonomous system number is used for the route reflector EVPN peering sessions.
C. The cluster-id that uniquely identifies the route reflector is only configured on the route reflector itself.
D. A second route reflector can be deployed for redundancy purposes.

Question 3

Consider the exhibit.

The network is going to be designed to use interface-less symmetric routing.
Which of the following statements is TRUE?

A. The ingress PE will perform layer 2 and layer 3 lookups while the egress PE will perform layer 2 lookup.
B. An instance of each mac-vrf is required on each leaf.
C. Forwarding information will be exchanged between the PEs using EVPN route-type 2 updates.
D. The IRB configuration does not require anycast gateway configuration on the ip-vrf.

Question 4

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 routed VXLAN interface for the VPRN instance.
C. A vrf-target matching the vrf-target on dcgw20 in the VPRN instance.
D. A binding of the VPRN instance to the MPLS tunnels towards dcgw20.

Question 5

Which of the following statements about utilizing asymmetric routing in an L3 EVPN network is FALSE?

A. All the MAC-VRFs connected to the L3 EVPN network must exist on each PE.
B. Each PE must have a full ARP table for all of the hosts in the L3 EVPN network.
C. If a host interface's has two IP addresses, it must send out two separate EVPN route-type 2 updates for the MAC-VRF.
D. The ingress and egress PE routers will perform both MAC and IP forwarding.

Solutions: