Which of the following statements best describes the purpose of an MP-BGP in a VPRN?

None of the above statements describe the use of an MP-BGP in a VPRN.

Routes from different customers with the same IPv4 address prefix are treated as equivalents by MP-BGP.

Nokia 7750 SR routers support MP-BGP for VPN label signaling in a VPRN service only if LDP is used for LSP signaling.

The multi-protocol nature of MP-BGP allows VPRN routes to be distributed within the provider core network as IPv4 routes.

MP-BGP is an enhanced version of BGP that can carry a service label, a tranpot label, and customer route prefixes.

None of the above statements describe the use of an MP-BGP in a VPRN.

All of the above statements describe the use of an MP-BGP in a VPRN.

On Nokia 7750 SR OS, routing information between the CE and PE can be exchanged using the following methods.

BGP, RIP, OSPF, static routes, OSPF3

BGP, ISIS, RIP, OSPF, static routes

BGP, RIP, OSPF, static routes, OSPF3

ISIS, RIP, OSPF, static routes, OSPF3

Click on the exhibit button below. Which of the following is the correct configuration for an MP-BGP session on 6VPE1?

PE1>config>router>bgp#info -------------------------------------------- group 'multi-bgp' family vpn-ipv6 neighbor 10.10.10 2 local-address 10.10.10.1 peer-as 64496 exit exit

PE1>config>router>bgp#info -------------------------------------------- group 'multi-bgp' family vpn-ipv6 neighbor 10.10.10.2/32 local-address 10.10.10.1 peer-as 64496 exit exit

PE1>config>router>bgp#info ------------------------------------------- group 'multi-bgp' family ipv6 vpn-ipv4 neighbor 10.10.10.2 local-address 10.10.10.1 peer-as 64496 exit exit

PE1>config>router>bgp#info -------------------------------------------- group 'multi-bgp' family vpn-ipv6 neighbor 10.10.10 2 local-address 10.10.10.1 peer-as 64496 exit exit

PE1>config>router>bgp#info -------------------------------------------- group 'multi-bgp' family ipv6 vpn-ipv6 neighbor 10.10.10.2/32 local-address 10.10.10.1 peer-as 64496 exit exit

Click on the exhibit button below. Which of the following is the correct configuration on 6VPE1 for a BGP peering session with CE1?

PE1>config>service>vpm>bgp#info --------------------------------------------------- group 'toCE1' family ipv6 export 'mbgp-bgp' neighbor 2001:db8:12::1 peer-as 64497 exit exit

PE1>config>service>vpm>bgp#info --------------------------------------------------- group 'toCE1' family ipv6 export 'mbgp-bgp' neighbor 2001:db8:12:1 peer-as 64496 exit exit

PE1>config>router>bgp#info --------------------------------------------------- group 'toCEl' family ipv6 export 'mbgp-bgp' neighbor 2001 db8:12::1 peer-as 64497 exit exit

PE1>config>router>bgp#info --------------------------------------------------- group 'toCE1' family ipv6 export 'mbgp-bgp' neighbor 2001:db8:12::1 peer-as 64496 exit exit

An operator needs to provision 6VPE on a 7750 SR that is also used to provide existing IPv4 VPRN services. IPv6 VPRN customers use BGP as a PE-CE protocol. Which of the following statements is FALSE regarding the configuration steps required?

PE routers must be configured to run MP-BGP and IPv6

MP-BGP sessions need to be configured in the service provider network to support a VPN-IPv6 address family.

PE routers must be configured to run MP-BGP and IPv6

PE-to-CE BGP sessions need to be configured to support IPv6.

The provider core must be configured to support IPv6

None of the above statements are false.

All of the above statements are false

Which of the following best describes a VPWS?

Layer 2 point-to-point service.

Layer 3 direct Internet access service.

Layer 2 point-to-point service.

Layer 2 multipoint-to-multipoint service.

Layer 3 IP multipoint-to-multipoint VPN service.

Which of the following best describes an IES?

Layer 3 direct Internet access service.

Layer 2 point-to-point service.

Layer 2 multipoint-to-multipoint service.

Layer 3 IP multipoint-to-multipoint VPN service.

Which of the following are characteristics of a SDP? (Choose 2)

SDPs are a logical way to direct traffic from one router to another.

SDPs are a logical way to direct traffic between services.

SDP IDs must be unique across the network.

SDPs are specific to one service type

SDPs must use MPLS for their encapsulation

Which of the following commands is used to enable an Epipe service?

config>service# epipe service-id no shutdown

config>service# epipe service-id enable

config>service# vpws service-id enable

config>service# service-id no shutdown

config>port# port-id no shutdown

config>service# epipe service-id no shutdown

Click on the exhibit button below. Is a routing policy required on PE1 to advertise a CE1's system interface to PE2?

No. A routing policy is not required; the default behavior on the 7750 SR is to advertise all VPRN routes between PE routers.

Yes. A routing policy is required to advertise routes between PE routers in a VPRN

No. A routing policy is not required; the default behavior on the 7750 SR is to advertise all VPRN routes between PE routers.

A routing policy is required only when BGP is used as the PE-CE routing protocol, as shown in the exhibit.

A CE1 system interface can not be advertised to PE2 since the CE routers are not aware of the VPRN.

Which of the following statements is NOT a valid reason to use MP-BGP as a routing protocol to transport VPRN routes?

All of the above statements are valid reasons for using MP-BGP as a VPRN routing protocol.

The number of VPRN routes can become very large. MP-BGP can support a very large number of routes.

MP-BGP can carry routing information for a number of different address families.

MP-BGP is designed to exchange information between routers that are not directly connected. This feature keeps VPRN routing information out of P-routers.

MP-BGP can carry additional information attached to a route as an optional BGP attribute.

All of the above statements are valid reasons for using MP-BGP as a VPRN routing protocol.

By default, what does a PE do to support VPLS services for different customers? (Choose 2)

Maintain a different Forwarding Data Base for each service

Maintain a different Routing Information Base for each service.

A network technician needs to set up a local mirror to replicate traffic for examination with a protocol analyzer. The analyzer is on port 1/1/4 of his service router. Which of the following configuration steps is required?

A mirror destination listing port 1/1/4.

A mirror source listing port 1/1/4.

A mirror destination listing port 1/1/4.

A remote source command indicating the IP address of the service router he is configuring a local mirror on.

Verification that his IP/MPLS infrastructure is in place

Which of the following statements best describes a route target?

All of the above statements describe a route target

A route target is a BGP extended community used to identify the VRF table for a prefix at the receiving PE

A route target is a mechanism from which VPRN controls the distribution of VPN routing information.

Route target attributes are earned in a MP-BGP as attributes of the route.

A route target is used by the PE router to identify the VRF that a VPN-lPv4 prefix is associated with.

All of the above statements describe a route target

None of the above statements describe a route target

Click on the exhibit button below. If CE1 and PE1 use BGP to exchange routing information and CE2 and PE2 use static routing to forward traffic to and from the VPRN, which of the following statements is considered TRUE?

All of the above statements are true

An export policy is required on PE1 to advertise routes to CE1.

An export policy is not required on PE2 to advertise routes to CE2.

An export policy is not required to advertise routes between PE routers

All of the above statements are true

All of the above statements are false

Which of the following statements is TRUE concerning a VPRN data plane flow?

All of the above statements are false.

A data packet will receive a service label at the CE and a transport label at the ingress PE.

A data packet intended for a remote CE will have its service label swapped at each P router along the path towards the egress PE.

At the egress PE, the transport label will be popped and the data packet forwarded with the service label.

The service label is popped by the remote CE. The unlabeled packet is forwarded based on the longest match lookup algorithm in the VRF.

All of the above statements are false.

All of the above statements are true.

Which of the following steps is mandatory when enabling an MP-BGP session between PE routers in a VPRN?

All of the above steps are mandatory.

Configure an autonomous system number in the global context.

Configure a BGP group and peer parameters.

Configure a VPN-IPv4 address family.

All of the above steps are mandatory.

None of the above steps are mandatory.

Which of the following best describes a VPLS?

Layer 2 multipoint-to-multipoint service

Layer 3 direct Internet access service

Layer 2 multipoint-to-multipoint service

Layer 3 IP multipoint-to-multipoint VPN service

Which of the following statements is FALSE regarding SAPs?

VPWS: SAPs are associated with an IP interface.

VPWS: SAPs can be defined on Ethernet, POS, Sonet/SDH, or TDM channels.

VPWS: Two SAPs are defined for a service that originates and terminates on the same Nokia 7750 SR

VPLS: More than two SAPs can be defined in a service.

VPWS: SAPs are associated with an IP interface.

Which of the following commands is used to configure the encapsulation type of an Ethernet port?

configure port port-id Ethernet encap-type dot1q|null|qmq

configure ethernetencap-typedot1q|null|qinq port port-id

configure service port port-id ethemetencap-typedot1q|null|qinq create

configure port port-id Ethernet encap-type dot1q|null|qmq

configure service service-id Ethernet encap-type dot1q|null|qinq create

Which of the following best describes a distributed Epipe Service?

An Epipe that is configured between two nodes, each having 1 SAP and 1 SDP configured.

An Epipe that has 2 or more SDPs configured.

An Epipe that has 3 or more SAPs configured.

An Epipe that has 2 SAPs on the same node but no SDPs configured

An Epipe that is configured between two nodes, each having 1 SAP and 1 SDP configured.

Which of the following options are used to configure an MPLS signaling type to be used on an SDP? (Choose 2)

configure service sdp sdp-id gre create

configure service sdp sdp-id create

Which of the following commands is used to disable an Epipe service?

config>service# epipe service-id shutdown

config>service# vpws service-id shutdown

config>service# service-id shutdown

config>service# epipe service-id disable

Which of the following commands is required to configure an Ethernet port to be used as a SAP in a service?

Configure port port-id Ethernet mode access

Configure service sap sap-id access

Configure port port-id Ethernet mode access

Configure port port-id Ethernet mode network

Configure port port-id mode access

Configure port port-id mode network

Which of the following tasks must be carried out before deleting an Epipe service? (Choose 4)

Shut down all SAPs associated with the service.

Shut down all SDPs associated with the service.

Delete all SAPs and SDPs associated with the service.

Shut down all SAPs associated with the service.

Shut down all SDPs associated with the service.

Delete all SAPs and SDPs associated with the service.

Shut down all physical ports that are bound to a SAP.

Nokia 4A0-104 Practice Test 1 - Free Online Exam Prep & Questions

Which of the following statements is TRUE about the VRF?

A.

The VRF is a virtual router on the PE router that contains the customer's routes for the VPRN

B.

Each PE maintains multiple VRFs based on the number of PE peers it connects to.

C.

Each PE has a VRF for each VPRN service provisioned on the router.

D.

All of the above.

E.

Only A and C.

F.

Only A and B

Nokia 4A0-104 Practice Test 1

Question

Nokia 4A0-104 Practice Tests

Practice Tests