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4A0-115 Exam Dumps - Nokia Ethernet Virtual Private Network Services

Question # 4

In the exhibit,

VPLS 20 is associated with a single-active Ethernet segment on routers PEI and PE3. Which of the following statementsis FALSE?

A.

PEI advertises an A-D per ES route which indicates that ESI 1 is operating in a single-active redundancy mode.

B.

PEI advertises an A-D per EVI route which includes a P flag set to I to indicate that PEI is the DF for EVI 20.

C.

PE3 advertises an A-D per ES route which indicates that ESI I is operating in a single-active redundancy mode.

D.

When PEI learns MAC-01, it advertises a MAC/IP route which indicates that MAC-OI is associated with ESI I.

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Question # 5

In the exhibit, the EVPN-IRB is using the interface-ful unnumbered model and is fully operational. Which of the following statements isFALSE?

A.

An MP-BGP session that supports the advertisement of VPN-IPv4 routes is established between PE3 and PE4.

B.

An MP-BGP session that supports the advertisement of EVPN routes is established between PEI and PE2.

C.

On PE3, the routing table for VPRN 15 contains an entry for 10.10.1.0/24. This entry is resolved to MAC-OI as an overlay index.

D.

On PE3, the routing table for VPRN 15 contains an entry for 10.10.4.0/24. This entry is resolved using a transport tunnel towards PEA.

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Question # 6

Examine the exhibit.

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

A.

PEI brings the SAP in VPWS 4 operationally down.

B.

PE3 sets the P flag in its advertised A-D per EVI route to I.

C.

PE2 receives a single A-D per EVI route. The route is originated from PE3.

D.

PE2 receives two A-D per ES routes: one from PEI and another from PE3.

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Question # 7

Based upon the exhibit,

which of the following statements about the forwarding of BUM traffic is FALSE?

A.

PE3 replicates the traffic and sends it to all PES in its VPLS I flooding list.

B.

PE3 adds an ESI label to packets forwarded to PEI because PEI is connected to the same Ethernet segment.

C.

PEI forwards the traffic received from PE3 to CEI, and CEI discards it based upon the ESI label.

D.

PE2 decapsulates the packets received from PE3 and forwards the frames to CE2.

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Question # 8

Based on the exhibit below, which of the following statements is FALSE?

A.

When forwarding BUM traffic, the local PE must replicate the traffic and send it as unicast to the advertising neighbor.

B.

The MPLS label 524284 presented indicates the service label value that the neighbor 10.10.10.2 uses to forward BUM traffic to PEI.

C.

When forwarding BUM traffic, the local PE uses an MPLS transport tunnel towards the advertising neighbor.

D.

The IMET route is imported by a local VPLS configured with a route-target value of 65100:10.

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Question # 9

Based upon the exhibit, which of the following statements is FALSE?

A.

PEI populates this information into the local VPLS FDB.

B.

Neighbors 10.10.10.2 and 10.10.10.3 have proxy-ARP enabled for the VPLS.

C.

Neighbors 10.10.10.2 and 10.10.10.3 have a service that uses a network identifier of 10.

D.

PEI uses VXLAN tunnels to reach neighbors 10.10.10.2 and 10.10.10.3.

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Question # 10

Proxy-ARP/ND is operational for a VPLS. Which of the following statements is FALSE?

A.

The PE has proxy-ARP and dynamic-populate enabled for the VPLS.

B.

The proxy-ARP table is populated by snooping IP packets received from remote PEs.

C.

When the PE learns a local host IP address, it adds an entry into its proxy-ARP table.

D.

The PE advertises a MAC/IP route that includes the MAC and IP address of a local host.

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Question # 11

The interface-ful numbered model is used for a Layer-3 EVPN service. Which of the following statements is FALSE?

A.

EVPN routes are advertised with a service label associated with the SBD VPLS.

B.

IP-Prefix routes exchanged between PES include a non-zero gateway IP address as an overlay index.

C.

EVPN MAC/IP routes are used to advertise the MAC and IP addresses of local hosts.

D.

EVPN MAC/IP routes are used to advertise the MAC and IP addresses of SBD IRB interfaces.

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Question # 12

Which of the following statements about EVPN auto-discovery per EVPN instance (A-D per EVI) routes is FALSE?

A.

A PE uses the received updates to create aliasing lists to PES that are part of an all-active Ethernet segment.

B.

A PE advertises an A-D per EVI route for each operational service defined on an Ethernet segment.

C.

The updates include an Ethernet tag ID that is set to zero.

D.

The updates are used to discover all the PES associated with an Ethernet segment.

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