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Questions # 1:

Examine the exhibit.

Question # 1

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.

Questions # 2:

Which of the following statements about the EVPN data plane is FALSE?

Options:
A.

EVPN allows a service provider to deliver multiple services over a single core network.

B.

The customer data is encapsulated and then tunneled between the PE routers.

C.

EVPN-MPLS encapsulated data has a label that uniquely identifies each service.

D.

EVPN-MPLS provides services over a simple IP network.

Questions # 3:

In the exhibit, the default algorithm is used to elect the designated forwarder (DF) on ESI 1. Which PE is elected as DF for VPLS 10?

Question # 3

Options:
A.

PEI

B.

PE2

C.

PE3

D.

PE4

Questions # 4:

In the exhibit, VPWS 4 enables communications between CEI and CE2. Which of the following statements regarding the operation of VPWS 4 is FALSE?

Question # 4

Options:
A.

PEI advertises an auto-discovery per EVPN instance (A-D per EVI) route to PE3 as soon as the SAP becomes operationally

B.

PE3 advertises an IMET route to PEI as soon as VPWS 4 is administratively enabled.

C.

PEI and PE3 exchange their service labels using A-D per EVI routes.

D.

PE3 and PE4 exchange their service labels over an established targeted LDP session.

Questions # 5:

Examine the exhibit.

Question # 5

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

Options:
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.

Questions # 6:

Which of the following statements about the EVPN route types used to support multi-homing is TRUE?

Options:
A.

Ethernet segment (ES) routes indicate the redundancy mode of the Ethernet segment.

B.

ES routes provide the ESI label required to support the split-horizon mechanism.

C.

Auto-discovery (A-D) routes are imported by all PES participating in the EVPN service.

D.

A-D per Ethernet segment routes indicate the desired designated forwarder election algorithm.

Questions # 7:

Which of the following statements does NOT describe the operation of the Layer-3 EVPN asymmetric forwarding model?

Options:
A.

All VPLS instances must be configured on all PES regardless of whether they have a local host or not.

B.

EVPN IP-Prefix routes are used to populate the VPRN VRF tables.

C.

The egress PE does not perform any Layer-3 route look up to forward traffic.

D.

The ingress PE performs both Layer-2 and Layer-3 look ups when forwarding traffic between subnets.

Questions # 8:

Which of the following best describes the operation of a non-designated forwarder (non-DF) in a single-active Ethernet segment?

    Blocks Tx unicast, allows Rx unicast, blocks Tx BUM, allows Rx BUM

    Allows Tx unicast, allows Rx unicast, blocks Tx BUM, allows Rx BUM

    Blocks Tx unicast, blocks Rx unicast, blocks Tx BUM, blocks Rx BUM

Options:
A.

Allows Tx unicast, blocks Rx unicast, allows Tx BUM, blocks Rx BUM

Questions # 9:

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

Question # 9

Options:
A.

PE2 advertises this BGP update for a locally-configured VPWS service.

B.

PEI uses this BGP update to build the flooding list of the associated service.

C.

PEI uses MPLS label 524284 when sending traffic destined to

D.

Neighbor 10.10.10.2 is connected to a multi-homed CE.

Questions # 10:

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

Question # 10

Options:
A.

VPLS 10 must be configured with two BGP instances on PE3 and PE4.

B.

On PE3 and PE4, VPLS 10 must be configured with two different route-distinguisher values: one for VXLAN and another for MPLS.

C.

On PE3 and PE4, VPLS 10 must be configured with two different route-target values: one for VXLAN and another for MPLS.

D.

A BGP export policy is required on PE3 and PE4 to ensure that IMET routes originated with VXLAN encapsulation are not advertised to the peer across the core network.

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