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Nokia 4A0-D03 Exam Overview:

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Nokia SR Linux EVPN and Data Center Interconnect Sample Questions:

1. An IRB sub-interface that is being used to interconnect a MAC-VRF to an IP-VRF, is configured with anycast-gw set to true and anycast-gw enabled.
Which of the following statements is FALSE?

A) Two MAC addresses associated to the sub-interface are shown in the forwarding table of the MAC-VRF that contains the IRB sub-interface.
B) The same IP address used on this sub-interface can be used by other IRB sub-interfaces on remote PEs participating in the IP-VRF.
C) The last octet of the default virtual MAC assigned to the sub-interface is derived from the last octet of the chassis MAC.
D) The host IP address of the sub-interface appears in the IP-VRF route table along with the prefix for the entire sub-net.

2. Which of the following statements about EVPN PE-CE routing, using BGP as the routing protocol, is FALSE?

A) The PE and CE can utilize import and export policies to control the updates that are sent and received.
B) iBGP is preferred between the CE and PE so that they will be in the same autonomous system.
C) The PE advertises updates received from the CE as EVPN route type 5 updates to the other PEs.
D) The PE advertises IPv4/IPv6 BGP updates to the CE based on the EVPN routes received from other PEs.

3. Which of the following statements describes the function or operation of the integrated gateway-based data center interconnect solution?

A) The VXLAN tunnels are required between the leaf routers in the different data centers.
B) The data center gateway and the WAN PE functions are performed on a single router.
C) The route reflectors in the different data centers must be able to reach each other.
D) All the data center leaf routers must be reachable over the WAN network.

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

A) The WAN PE maintains a peering session with the data center route-reflector for the exchange of updates.
B) VLAN tags are used to identify traffic between the data center border leaf and the WAN PE.
C) The separation between the border leaf and the WAN PE provides a clear demarcation for security and QoS.
D) The EVPN services in the data center are interconnected to different VPN services in the WAN.

5. Consider the exhibit.

Leaf1 and Leaf2 have the Ethernet segment configured to use the default election algorithm while Leaf3 and Leaf4 are configured to use the preference-based algorithm with Leaf3 having the higher preference value. The DF candidate list is the same on all leaf routers.
Which of the following leafs is the DF for mac-vrf103?

A) Leaf4
B) Leaf3
C) Leaf2
D) Leaf1

Solutions: