Black Friday Biggest Discount Flat 70% Offer - Ends in 0d 00h 00m 00s - Coupon code: 70diswrap

DumpsWrap Logo

Nokia 4A0-115 Dumps

Page: 1 / 4
Total 40 questions
Get 4A0-115 Full Access Download 4A0-115 PDF

Nokia Ethernet Virtual Private Network Services Questions and Answers

Question 1

In the exhibit,

as

MACI moves from PEI to PE2. Which of the following actions related to this MAC address mobility is performed?

Options:

A.

CEI generates an update message to PEI withdrawing its MAC.

B.

PEI generates an update message to remote PES identifying the new location of CEI.

C.

PE2 advertises a MAC/IP route for MACI with a sequence number higher than that received from PEI.

D.

PE3 waits to receive a data packet from CEI to update its FDB entry for MACI.

Question 2

In the exhibit, the interface-ful numbered model is used for the Layer-3 EVPN service. Which of the following is used as the source MAC address in the packets sent from PEI when forwarding customer traffic to Host 2?

as

Options:

A.

MAC-OI

B.

MAC-03

C.

MAC-04

D.

MAC-11

Question 3

Which of the following statements about an EVPN with integrated routing and bridging (EVPN-IRB) service is FALSE?

Options:

A.

This service requires the use of EVPN-MPLS for data plane.

B.

In this service, the IRB interface acts as a default gateway for hosts in the corresponding subnet.

C.

This service consists of a VPRN and multiple VPLSs.

D.

This service enables the use of EVPN to provide connectivity between hosts in different subnets.

Question 4

Which of the following statements about the EVPN Layer 2 Attributes extended community is FALSE?

Options:

A.

It is advertised with the auto-discovery per EVPN instance (A-D per EVI) route.

B.

It is applicable to EVPN VPLS services.

C.

It specifies the service maximum transmission unit (MTU).

D.

It specifies a P flag that indicates whether the advertising PE is a primary PE.

Question 5

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

as

Options:

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.

Question 6

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

Options:

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.

Question 7

In the exhibit, an EVI range is configured and the preference-based algorithm is used to elect the designated forwarder (DF) on ESI 1. Which PE is elected as DF for VPLS 10?

as

Options:

A.

PEI

B.

PE2

C.

PE3

D.

PE4

Question 8

In the exhibit, the EVPN-IRB is configured to use the interface-ful unnumbered model. Which of the following statements regarding the route advertisement is FALSE?

as

Options:

A.

PEI advertises an EVPN IP-Prefix route for prefix 10.10.1.0/24 to PE3. The BGP update includes MAC-OI as on overlay index.

B.

PEI advertises an EVPN MAC route for MAC-OI to PE3. The BGP update includes the route-target value configured for VPRN 15.

C.

PE3 advertises a VPN-IPv4 route for prefix 10.10.1.0/24 to PE4. The BGP update includes an MPLS service label.

D.

PE4 advertises an EVPN IP-Prefix route for prefix 10.10.1.0/24 to PE2. The BGP update includes MAC-04 as an overlay index.

Question 9

In the exhibit, the interface-less forwarding model is used for the Layer-3 EVPN service. Which of the following statements about traffic forwarding from Host 1 to Host 2 is FALSE?

as

Options:

A.

PEI consults the FDB of RVPLS 1 and forwards the traffic to the local interface of VPRN 11.

B.

PEI encapsulates the packet with two labels: an outer transport label and an inner service label.

C.

PE2 inspects the service label and determines that it is associated with RVPLS 2.

D.

PE2 consults the FDB of RVPLS 2 and forwards the traffic to Host 2.

Question 10

Examine the exhibit.

as

Which of the following configuration conditions is required for the proper operation of EVPN VPWS 2?

Options:

A.

The local AC tag ID configured on PE2 must match the local AC tag ID configured on PEI.

B.

The remote AC tag ID configured on PE2 must match the remote AC tag ID configured on PE3.

C.

The local AC tag ID and the remote AC tag ID configured on PE2 must match.

D.

The local AC tag ID configured on PEI must match the local AC tag ID configured on PE3.

Question 11

Examine the exhibit.

as

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

Options:

A.

Configure an MP-BGP session that allows the exchange of EVPN routes between PEI and PE3.

B.

Configure an MP-BGP session that allows the exchange of IPv4 labeled routes between PE3 and PE4.

C.

Configure a service distribution point (SDP) on PE3 to reach PE4, and another SDP on PE4 to reach PE3.

D.

Configure a local attachment circuit (AC) and a remote AC for VPWS 4 on all PE routers.

Question 12

In the exhibit,

as

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

Options:

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.

Load More 4A0-115 Questions
Page: 1 / 4
Total 40 questions
Get 4A0-115 Full Access Download 4A0-115 PDF