4A0-115 Practice Exam Questions and Answers

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.

A.  

1

B.  

2

C.  

3

D.  

4

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 P

E.  

A.  

The updates include an Ethernet segment identifier label that is used in loop prevention.

B.  

The updates advertise the Ethernet segment availability in a given EVPN service.

C.  

The updates include an MPLS label that is set to a non-zero value.

D.  

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

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.

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.

A.  

PEI populates this information into the local VPLS FD

B.  

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.

A.  

PEI

B.  

PE2

C.  

PE3

D.  

PE4

A.  

The service distinguisher (label or VNI) is advertised with the MAC/IP EVPN update.

B.  

Route targets are used to uniquely identify routes between EVIS in the case of MAC address overlaps.

C.  

A PE uses a single MP-BGP session with a remote peer to exchange the routes for all EVIs.

D.  

A PE advertises locally-learned MAC addresses to remote PES using EVPN type-2 routes.

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.