Free Nokia 4A0-115 Exam Dumps Questions & Answers

An operator configures an EVPN-IRB that uses the interface-ful unnumbered forwarding model on a Nokia
7750 service router. Which ofthe following statements regarding the configuration performed on each participating PE is FALSE?

• A.  An IP address is configured in the VPRN interface that is bound to the SBD VPLS.
• B.  A VPRN service is configured and has an interface bound to the local VPLS.
• C.  A supplementary broadcast domain (SBD) is configured as a routed VPLS.
• D.  The advertisement of IP-Prefix routes is enabled in the SBD VPLS.

Examine the exhibit.

Which of the following statements about the operation of EVPN VPWS 4 is FALSE?

• A.  PE3 sets the P flag in its advertised A-D per EVI route to I.
• B.  PE2 receives a single A-D per EVI route. The route is originated from PE3.
• C.  PEI brings the SAP in VPWS 4 operationally down.
• D.  PE2 receives two A-D per ES routes: one from PEI and another from PE3.

Which of the following statements about EVPN auto-discovery per Ethernet segment (A-D per ES) routes is TRUE?

• A.  The updates advertise the Ethernet segment availability in a given EVPN service.
• B.  The updates include an MPLS label that is set to a non-zero value.
• C.  The updates include an Ethernet tag ID that is set to zero.
• D.  The updates include an Ethernet segment identifier label that is used in loop prevention.

Examine the exhibit.

Which of the following configuration is NOT required to enable Layer-2 communication between CEI and CE2?

• A.  Configure an MP-BGP session that allows the exchange of EVPN routes between PEI and PE3.
• B.  Configure a service distribution point (SDP) on PE3 to reach PE4, and another SDP on PE4 to reach PE3.
• C.  Configure a local attachment circuit (AC) and a remote AC for VPWS 4 on all PE routers.
• D.  Configure an MP-BGP session that allows the exchange of IPv4 labeled routes between PE3 and PE4.

Which of the following statements about PE-to-PE MAC address advertisement is FALSE?

• A.  A PE uses a single MP-BGP session with a remote peer to exchange the routes for all EVIs.
• B.  The service distinguisher (label or VNI) is advertised with the MAC/IP EVPN update.
• C.  A PE advertises locally-learned MAC addresses to remote PES using EVPN type-2 routes.
• D.  Route targets are used to uniquely identify routes between EVIS in the case of MAC address overlaps.