Which of the following statements about multi-homing for a Layer-2 service is TRUE?

• A.In the single-active mode, the CE requires a LAG to be configured between the CE and all attached PEs.
• B.In the single-active mode, the CE forwards traffic to all attached PES and receives traffic from a single PE.
• C.In the all-active mode, all PES attached to a CE can forward traffic to and from the CE.
• D.The Nokia 7750 SR supports a CE being multi-homed to a maximum of two PEs.

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Which of the following statements about the operation of a single-homed EVPN VPWS is TRUE?

• A.The same tag ID must be configured for the local attachment circuit (AC) at each PE.
• B.Each PE advertises a MAC route and an A-D per EVI route when its local AC becomes operationally UP.
• C.The advertised A-D per EVI route includes a non-zero tag ID and a non-zero MPLS label.
• D.Each PE verifies that the received tag ID matches its configured local AC tag ID.

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A Layer-3 EVPN service is configured to use the interface-ful unnumbered forwarding model. Which of the following statements isFALSE?

• A.Each participating PE advertises a MAC/IP route that carries the MAC address of SBD IRB interface.
• B.IP-Prefix routes exchanged between PES include a non-zero MAC address as an overlay index.
• C.The VPRN service is configured to allow the advertisement of IP prefixes.
• D.The SBD IRB interface configured in the VPRN service has no IP address assigned to it.

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Examine the exhibit.

Which of the following actions is performed by PEI after it receives a BUM packet from CEI?

• A.PEI does not flood the packet because PEI is acting as non-designated forwarder (non-DF) for VPLS 10.
• B.PEI sends the packet to PE2 but not to PE3 because PE3 is connected to the originating ES.
• C.PEI sends the packet to PE2 and to PE3. An ESI label is included only in the packet sent to PE2.
• D.PEI sends the packet to PE2 and to PE3. An ESI label is included only in the packet sent to PE3.

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In the exhibit, PE2 is receiving an EVPN auto-discovery (A-D) route from PEI. Based on the output, which of the following statements is FALSE?

• A.This route is an A-D per EVPN instance (A-D per EVI) route advertised by PEI for a VPWS.
• B.This route indicates that the EVPN service configured on PEI is multi-homed.
• C.This route indicates that the EVPN service is configured on PEI with an EVPN instance (EVI) of 113.
• D.This route indicates that the EVPN service is configured on PEI with a service MTU of 1514.

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