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Nokia SR Linux EVPN and Data Center Interconnect Sample Questions:
1. Which of the following statements about the gateway-less data center interconnect solution is FALSE?
A) The EVPN overlay is transparently carried over the WAN network.
B) The data center gateway routers maintain a MP-BGP EVPN peering with the data center route reflector.
C) The IP addresses of the leaf routers need to be re-distributed into the WAN.
D) The leaf routers are able to establish a full mesh of VXLAN tunnels across the WAN.
2. Which of the following EVPN route-types is used to implement aliasing?
A) Ethernet segment routes
B) AD per EVI routes
C) IP/MAC routes
D) AD per ES routes
3. 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 data center gateway and the WAN PE functions are performed on a single router.
C) The data center gateway needs to provide interworking between the VXLAN and the WAN tunneling protocol.
D) The border leaf router will utilize eBGP or static routes to interconnect with the gateway.
4. Leaf routers are configured to support Layer 2 multi-homing all-active mode.
Which of the following statements is FALSE?
A) A LAG must be configured on the participating leaf routers.
B) If VLAN tagging is to be used, then it must be enabled on the LAG interface.
C) The LAG interface must then be associated with the Ethernet segment.
D) If using LACP, the system-id-mac must uniquely identify each leaf router connected to the host.
5. 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-1 generates an IMET route.
B) Leaf-2 and Leaf-3 auto-discover the new peer based on the route target in the received IMET route.
C) Leaf-2 and Leaf-3 add Leaf-1 to their existing flooding list for BUM traffic.
D) Leaf-1 advertises the IMET route in a BGP EVPN update directly to Leaf-2 and Leaf-3.
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: B | Question # 3 Answer: D | Question # 4 Answer: D | Question # 5 Answer: D |
By Tim
