Nokia 4A0-D03 real exam prep : Nokia SR Linux EVPN and Data Center Interconnect

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Nokia 4A0-D03 Exam Syllabus Topics:

Nokia SR Linux EVPN and Data Center Interconnect Sample Questions:

1. Which of the following statements about a distributed Layer 2 EVPN is FALSE?

A) When a host connected to a Layer 2 EVPN responds to an ARP request, it sends an ARP reply to the local leaf.
B) The local leaf learns the source MAC address from the Ethernet frame and populates it into its MAC forwarding table.
C) The local leaf replicates the ARP reply and sends it to all the leafs in the flooding list for that Layer 2 EVPN.
D) The local leaf generates an EVPN route type 2 and sends it to all of its configured BGP EVPN neighbors.

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.

3. Which of the following statements about the gateway-less data center interconnect solution is FALSE?

A) The data center border leaf and gateway can use either eBGP or static routes to exchange routing information.
B) The route reflectors must be reachable between different data centers.
C) All of the data centers leaf routers must be reachable over the WAN network.
D) It provides a clear demarcation for security between the border leaf and gateway.

4. Which of the following four symmetric routing options does NOT require the use of an EVPN route-type 2?

A) Prefix routing interface-ful numbered
B) Prefix routing interface-less
C) Prefix routing interface-ful unnumbered
D) Host routing

5. A host is connected to a MAC-VRF on leaf1 and leaf2. The MAC-VRF interfaces on leaf1 and leaf2 are associated to an Ethernet segment configured for active-standby multi-homing.
Which of the following statements is FALSE?

A) Only the DF will accept traffic from the host.
B) The non-DF is capable of forwarding unicast traffic from the remote PEs to the host.
C) Leaf1 and leaf2 will hold an election to identify which leaf router will be the DF for the MAC-VRF.
D) The DF will forward all BUM traffic from the remote PEs to the host.

Solutions: