4A0-104 Nokia Services Architecture Questions and Answers

An Epipe service that has 1 SAP and 1 SDP configured.

An Epipe service that has 3 or more SAPs configured.

An Epipe service that has 2 SAPs on the same router and has no SDPs configured.

An Epipe service that is configured between two routers, each having 1 SAP and 1 SDP configured

configure service vpls 4 customer 4 vc-id 5 create

configure service vpls 5 customer 4 create

configure service vpls 100 customer 4 vc-id 4 create

configure service vpls vc-id 5 customer4 create

show service id 100 base

show service vpls 100

show service vpls 100 summary

show service vpls 100 all

None of the above.

1

4095

None. This encapsulation is not supported.

The number is limited only by the capacity of the router

A transport tunnelcan carry many service tunnels.

The transport label is unchanged throughout the transport network.

A single network port can carry more than one transport tunnel.

Both MPLS and GRE transport tunnels use a service label.

The frame egresses from 1/1/1:6 with no VLAN tag.

The frame egresses from 1/1/1:6 with VLAN tag 5.

The frame egresses from 1/1/1:6 with VLAN tag 6.

The frame egresses from 1/1/1:6 with an inner VLAN tag of 5 and an outer VLAN tag of 6.

Configuring an autonomous system number in the global context.

Configuring a BGP group and peer parameters.

Configuring a VPN-IPv4 address family.

Configuring an export policy to advertise routes between PEs.

LDP

BGP

MP-BGP

MPLS

An IES requires a spoke SDP.

A virtual route table must be configured for an IES service.

An IES service must use static routes to communicate with customer networks.

An IES must have at least one SAP defined.

sap 1/1/1

sap 1/1/1:*

sap 1/1/1:0

sap 1/1/1:1

Option A

Option B

Option C

Option D

A VPLS service does not use a MAC FDB.

A single MAC FDB is shared by all VPLS services on a PE.

A separate MAC FDB is used on the PE for each VPLS service.

Each VPLS service uses a separate MAC FDBs for unicast and multicast traffic.

A VPRN is a Layer 3 service.

A PE maintains a separate forwarding table for each VPRN.

The service provider manages the customers IP addressing.

Multiple VPRNs can be deployed over the same IP/MPLS network infrastructure.

The VC ID on the mesh SDP must be explicitly configured.

The VC ID on the spoke SDP must be explicitly configured.

The VC ID on the mesh SDP does not have to be explicitly configured and it will use the service id.

The VC ID on the spoke SDP does not have to be explicitly configured and it will use the service id.

vc-type ether

vc-type vlan

vc-type dot1q

vc-type null

Customer ID and SAP ID.

Customer ID and Service ID.

SAP ID and Service ID.

SDP ID and Service ID.

SDP ID and SAP ID.

SDP ID and VC ID.

ADSPEC sets an SDP's MTU to the smallest MTU value found along the LSP path.

RSVP must be enabled on all MPLS routers of a path to use ADSPEC.

ADSPEC can automatically adjust the service MTU.

ADSPEC can be enabled on individual LSPs.

Isp-trace

Idp-trace

Sdp-ping

Svc-ping

Ping

5000

5004

5008

5014

The frame is dropped.

The VLAN tag is removed, and the frame is transported over the network.

The VLAN tag is kept, and the frame is transported over the network.

The VLAN tag is kept, a VLAN of 0 is added, and the frame is transported over the network.

family ipv4 ipv6

family vpn-ipv4ipv6

family vpn-ipv4 vpn-ipv6

family ipv6 vpn-ipv6

Service tunnels are unidirectional.

Transport tunnels are unidirectional.

A service will use the same service label for every hop.

A local service requires a transport tunnel.

Customers must use the same routing protocol as the service provider.

Customers belonging to the same VPRN service must use the same subnet.

Service providers only need to perform configurations on the PEs to add additional VPRNs.

For each VPRN, only one customer can be connected at each PE.

Route distinguishes are appended to IPv4 prefixes to form IPv6 prefixes.

CE routers use a route distinguisher to indicate which VPRN they are associated to.

A route distinguisher combined with an IPv4 prefix produces a VPN-IPv4 prefix.

Route distinguishes are used to determine which routes a VPRN should import.

OSPF

RIP

BGP

IS-IS

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.

Delete the Customer ID.

Shut down the service.

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.

Traffic is flooded to all SAPs in the service.

Traffic is flooded to all SAPs and spoke SDPs in the service.

Traffic is flooded to all SAPs and mesh SDPs in the service.

Traffic is flooded to all SAPs, spoke SDPs, and mesh SDPs in the service.

The traffic is not flooded.

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.

TRUE

FALSE

Traffic is flooded to all SAPs in the service.

Traffic is flooded to all SAPs and spoke SDPs in the service.

Traffic is flooded to all SAPs and mesh SDPs in the service.

Traffic is flooded to all SAPs, spoke SDPs, and mesh SDPs in the service

The traffic is not flooded.

TRUE

FALSE

The FCS is verified and the customer frame is transported intact over the service provider network.

The FCS is verified and kept in the customer frame. The VLAN tag is removed for transport over the network.

The FCS is verified and removed from the frame. The VLAN tag is kept for transport over the network.

The FCS is verified and removed from the frame. The VLAN tag is removed for transport over the network.

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.

An outer label and a transport label.

An inner label and a service label.

A transport label and a service label.

An MPLS transport label

TRUE

FALSE

VPN-IPv4 address families are required in order for routes to be exchanged with the PE.

Only default IPv4 address families are required since the CE is not aware of the VPRN service

Either IPv4 or VPN-IPv4 address families can be configured on the PE-CE BGP session

An IPv4 address family configuration is required for the PE-PE configuration.

When a PE router receives an IPv4 prefix from its local CE it creates a VPN-IPv4 prefix.

The route distinguisher (RD) is appended to the IPv4 prefix to form a 16 byte VPN-IPv4 prefix.

VPN-IPv4 allows BGP to distinguish multiple routes with the same prefixes originated from distinct customers

VPN-IPv4 addresses are only present within the service provider network.

In VPRN, data traffic is carried in VPN-IPv4 packets.

sap 1/1/1:0.*

sap 1/1/1

sap 1/1/1:*.4

sap 1/1/1:4.*

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 are locally unique.

SDP IDs must be unique across the network.

SDPs are specific to one service type

SDPs must use MPLS for their encapsulation