Nokia 4A0-D03 : 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. When configuring the EVPN MP-BGP route reflector sessions between the leaf and spine routers, which of the following statements is TRUE?

A) Route reflectors can be used instead of a full mesh of eBGP sessions between the leaf and spine routers.
B) The cluster-id that uniquely identifies this route reflector session is configured on the route reflector and participating clients.
C) The local-AS number configured within the BGP group will override the AS number configured directly under the BGP protocol.
D) When redundant route reflectors are deployed, one route reflector will be the primary while the other one will assume a backup role.

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

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

3. 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 IPv4/IPv6 BGP updates to the CE based on the EVPN routes received from other PEs.
D) The PE advertises updates received from the CE as EVPN route type 5 updates to the other PEs.

4. 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) The host IP address of the sub-interface appears in the IP-VRF route table along with the prefix for the entire sub-net.
B) The last octet of the default virtual MAC assigned to the sub-interface is derived from the last octet of the chassis MAC.
C) 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.
D) Two MAC addresses associated to the sub-interface are shown in the forwarding table of the MAC-VRF that contains the IRB sub-interface.

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

A) The WAN PE maintains a peering session with the data center route reflector.
B) There is a clear demarcation for security and QoS between the data center border leaf and the WAN PE.
C) The IP addresses of all the leaf routers and route-reflectors must be reachable by the routers in the WAN.
D) VXLAN tunnels are established between the leaf routers in the different data centers.

Solutions: