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Nokia SR Linux EVPN and Data Center Interconnect Sample Questions:
1. Which of the following statements about EVPN PE-CE routing, using BGP as the routing protocol, is FALSE?
A) iBGP is preferred between the CE and PE so that they will be in the same autonomous system.
B) The PE and CE can utilize import and export policies to control the updates that are sent and received.
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.
2. Which of the following statements about the gateway-less data center interconnect solution is FALSE?
A) It provides a clear demarcation for security between the border leaf and gateway.
B) All of the data centers leaf routers must be reachable over the WAN network.
C) The data center border leaf and gateway can use either eBGP or static routes to exchange routing information.
D) The route reflectors must be reachable between different data centers.
3. 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.
4. 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-2 and Leaf-3 import the EVPN update based upon the route target.
D) Leaf-1 populates Host-1's MAC address learnt on the local interface to its MAC table.
5. Which of the following EVPN route-types is used to implement aliasing?
A) AD per ES routes
B) IP/MAC routes
C) Ethernet segment routes
D) AD per EVI routes
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: A | Question # 3 Answer: C | Question # 4 Answer: B | Question # 5 Answer: D |
By Warner
