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Nokia SR Linux EVPN and Data Center Interconnect Sample Questions:

1. Which of the following statements does NOT describe the functionality or operation of the integrated gateway-based data center interconnect solution?

A) The data center gateway needs to be able to re-advertise Layer 3 EVPN routes of the leaf routers into VPN-IPv4 or VPN-IPv6 routes if required.
B) The border leaf router will utilize eBGP or static routes to interconnect with the gateway.
C) The data center gateway needs to provide interworking between the VXLAN and the WAN tunneling protocol.
D) The data center gateway and the WAN PE functions are performed on a single router.

2. Consider the exhibit.

Based upon the information in the screen captures, which of the following statements is FALSE?

A) Leaf-1 will not generate any EVPN route-type 5 updates for IP-VRF-100.
B) The IRB interface will snoop all ARP and GARP messages received on IRB sub-interface 100.100.
C) Leaf-1 will advertise EVPN route-type 2 updates with host IP and MAC information for MAC-VRF100.
D) The ARP cache for ip-vrf 100 is only required to contain host prefixes for the local subnets.

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

4. Which of the following EVPN route-types is used to implement aliasing?

A) IP/MAC routes
B) AD per ES routes
C) Ethernet segment routes
D) AD per EVI routes

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

Solutions: