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 EVPN route-type (RT) is used in multi-homing scenarios to support aliasing and fast convergence?

A) RT-2 MAC/IP Advertisement
B) RT-4 Ethernet Segment
C) RT-3 Inclusive Multicast Ethernet Tag
D) RT-1 Ethernet Auto-Discovery

2. Consider the exhibit.

All three leafs have an EVPN MP-BGP session with the route reflector in Spine-1. Leaf-2 and Leaf-3 have existing instances of an L2 EVPN named MAC VRF-1. Leaf-1 has just enabled a new instance of MAC VRF-1.
Which of the following steps is NOT taken when this new instance is enabled?

A) Leaf-2 and Leaf-3 add Leaf-1 to their existing flooding list for BUM traffic.
B) Leaf-1 advertises the IMET route in a BGP EVPN update directly to Leaf-2 and Leaf-3.
C) Leaf-2 and Leaf-3 auto-discover the new peer based on the route target in the received IMET route.
D) Leaf-1 generates an IMET route.

3. Which of the following is NOT part of the description of a BGP route-distinguisher?

A) It is used by MP-BGP to allow for overlapping addresses from multiple tenants.
B) It is included in each EVPN route update advertisement.
C) It identifies the EVPN instance in the control plane.
D) The route-distinguisher is a unique identifier that is configured per PE and per EVI.

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

5. Consider the exhibit.

The network is configured for interface-less symmetric routing with an ECMP of 4 enabled on all leaf routers.
Which of the following statements is FALSE?

A) Anycast gateway is an optional configuration on the Leaf1 and Leaf2 IRB interfaces.
B) IP-VRF1 on Leaf1, Leaf2 and Leaf3 must be configured with a VXLAN-routed interface.
C) The IRB interfaces on Leaf1 and Leaf2 must be configured to advertise learned local host-routes.
D) MAC-VRF100 on Leaf1 and Leaf2 must have BGP EVPN and BGP VPN configured.

Solutions: