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Nokia SR Linux EVPN and Data Center Interconnect Sample Questions:

1. Consider the exhibit.

Leaf-1 has received an ARP request from host-1 for host-2. Leaf-1 has added host-1's MAC address in its MAC table and host-1's MAC/IP addresses in its proxy-ARP table.
Which of the following steps is FALSE?

A) The remote peers ignore the EVPN update with the IP address set to 0.0.0.0 and use the update with the IP address set to 192.168.100.1 to populate their MAC forwarding tables.
B) Leaf-1 sends a route-type 2 EVPN update with host-1's MAC with the IP address set to 192.168.100.1 to the remote peers.
C) Leaf-1 sends a route-type 2 EVPN update with host-1's MAC with the IP address set to 0.0.0.0 to the remote peers.
D) The remote peers generate a gratuitous ARP towards their directly connected hosts to announce the learned IP/MAC mapping information.

2. Consider the exhibit.

Which of the following statements about the configuration and operation of this setup is FALSE?

A) A sub-interface of lag1 is associated to the MAC-VRF on Leaf1 and Leaf2.
B) The Ethernet segment ES-1 is configured with multi-homing-mode all-active.
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.

3. Which of the following statements about configuring and using an integrated routing and bridging (IRB) interface is TRUE?

A) The IRB sub-interface must be configured as either type bridge or routed.
B) When the IRB sub-interface is configured with multiple IP addresses, one of them can be configured as the primary.
C) When using an IRB interface to interconnect a MAC-VRF to an IP-VRF, one sub-interface is configured for the MAC-VRF and another one for the IP-VRF.
D) A MAC-VRF can be configured with multiple IRB sub-interfaces to support multi-homing.

4. Consider the exhibit.

Which of the following statements about the configuration and operation of this setup is FALSE?

A) All traffic to and from the host will flow through Leaf1.
B) The Ethernet segment ES-1 is configured as single active.
C) The host will be required to be configured with a LAG.
D) The ports that connect to the host are associated to ES-1.

5. Consider the exhibit.

The two MAC-VRFs are inter-connected using IP-VRF3 which is to be deployed using asymmetric routing.
Which of the following statements is FALSE?

A) MAC-VRF1 and MAC-VRF2 will connect to IP-VRF3 using an IRB interface.
B) Leaf-1 and Leaf-2 must both have instances of MAC-VRF1 and MAC-VRF2.
C) Leaf-1 and Leaf-2 will advertise host MAC/IP address information using EVPN route-type 2.
D) Leaf-1 and Leaf-2 will advertise the IP prefixes to each other using EVPN route-type 5.

Solutions: