Last Updated: Aug 28, 2026
No. of Questions: 58 Questions & Answers with Testing Engine
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| Section | Weight | Objectives |
|---|---|---|
| SR Linux and EVPN Fundamentals | 25% | - SR Linux architecture and CLI - VXLAN encapsulation and underlay - EVPN control plane and MP-BGP |
| Layer 3 EVPN Services | 25% | - Symmetric and asymmetric routing - VRF integration and route targets - EVPN Route Type 5 |
| Data Center Interconnect (DCI) Solutions | 25% | - Interoperability with Nokia 7750 SR - Gateway-less EVPN DCI - BGP route policies and route reflectors |
| Layer 2 EVPN Services | 25% | - EVPN Route Types 1–4 - Anycast Gateway and IRB - Multi-homing and Ethernet Segments |
Question 1
Which of the following statements about an integrated routing and bridging (IRB) interface is FALSE?
A. An IRB interface is used to logically interconnect a MAC-VRF to an IP-VRF on a PE.
B. The IRB sub-interface must have at least one IP address.
C. The IRB sub-interfaces can be configured with access control lists.
D. IP-VRFs and MAC-VRFs can have multiple IRB interfaces.
Question 2
Which of the following statements about the configuration of a Layer 3 multi-homing with a centralized router is FALSE?
A. Remote leaf routers can load balance traffic to customer prefixes through the leaf routers connected to the Ethernet segment.
B. All routers participating in the Ethernet segment must have the multi-homing mode set to all-active.
C. The centralized router must be a member of the Ethernet segment.
D. The centralized router will advertise the customer prefixes using an EVPN route-type 5 update.
Question 3
Consider the exhibit.
The two MAC-VRFs are inter-connected using IP-VRF3 which is to be deployed using asymmetric routing.
Which of the following statements is FALSE?
A. Leaf-1 and Leaf-2 will advertise the IP prefixes to each other using EVPN route-type 5.
B. Leaf-1 and Leaf-2 must both have instances of MAC-VRF1 and MAC-VRF2.
C. MAC-VRF1 and MAC-VRF2 will connect to IP-VRF3 using an IRB interface.
D. Leaf-1 and Leaf-2 will advertise host MAC/IP address information using EVPN route-type 2.
Question 4
Which of the following statements about a distributed Layer 2 EVPN is FALSE?
A. The local leaf learns the source MAC address from the Ethernet frame and populates it into its MAC forwarding table.
B. When a host connected to a Layer 2 EVPN responds to an ARP request, it sends an ARP reply to the local leaf.
C. The local leaf generates an EVPN route type 2 and sends it to all of its configured BGP EVPN neighbors.
D. The local leaf replicates the ARP reply and sends it to all the leafs in the flooding list for that Layer 2 EVPN.
Question 5
Which of the following statements about configuring and using an integrated routing and bridging (IRB) interface is TRUE?
A. When using an IRB interface to interconnect a MAC-VRF to an IP-VRF, one sub-interface is configured for the MAC-VRF and another one for the IP-VRF.
B. When the IRB sub-interface is configured with multiple IP addresses, one of them can be configured as the primary.
C. The IRB sub-interface must be configured as either type bridge or routed.
D. A MAC-VRF can be configured with multiple IRB sub-interfaces to support multi-homing.
Solutions:
| Question 1 Answer: D | Question 2 Answer: B | Question 3 Answer: B | Question 4 Answer: D | Question 5 Answer: B |
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