On an Nokia 7750 SR, what is the recommended approach for making sure that MTUs between a VPLS and its spoke IES termination match?

Set the ip-mtu of the IES to match the service MTU of the VPLS.

Set the service MTU of the VPLS to match the IES MTU.

Set the ip-mtu of the IES to match the service MTU of the VPLS.

Set the SDP MTU of the IES to match the SDP MTU of the VPLS.

Set the MTU of the IES's network port to match the service MTU of the VPLS.

Which of the following about SAPs is FALSE?

A SAP can be associated with more than one service.

A SAP is the subscriber's point of entry to the service network.

A SAP is created by specifying a physical port and an encapsulation type.

A SAP can only be created on a port configured as 'access'.

What happens by default on an Nokia 7750 SR when a null encapsulated SAP receives a frame with a VLAN tag?

The original VLAN tag is removed.

The VLAN tag is replaced by a provider tag.

The VLAN tag is kept and a provider tag is added.

Which of the following about ADSPEC is FALSE?

ADSPEC can automatically adjust the service MTU.

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.

Which of the following is a characteristic of a VPLS?

All SAPs of a VPLS belong to the same broadcast domain.

When a new site is added, all the existing sites need to be shutdown and re-provisioned.

An additional T-LDP session is required between PEs for each additional VPLS that is provisioned.

Multiple VPLSes on the same router share a single MAC FDB.

Click the exhibit. The CEs use BGP and export policies to advertise their local prefixes with the VPRN on their PEs. If the VPRN is functioning properly, which of the following commands will succeed when performed on router R1?

'oam vprn-ping 100 source 192.168.10.1 destination 192.168.20.1'

'oam vprn-ping 100 source 192.168.20.1 destination 192.168.10.1'

'ping 10.10.10.6' (router R6's system IP)

Which of the following about VPN labels is FALSE?

They are swapped at each P router as a packet crosses the service provider network.

They are signaled between PE devices using MP-BGP.

They are swapped at each P router as a packet crosses the service provider network.

They are also known as the inner label or service label.

They indicate to the egress PE the VPRN to which a packet belongs.

A VPLS receives a frame with the single VLAN tag 35 on the Q-in-Q SAP 1/1/1:35.*. Which of the following describes default Nokia 7750 SR behavior?

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.

Which of the following about the Isp-ping command on the Nokia 7750 SR is FALSE?

The IP destination address is used to initiate echo requests,

An echo request is sent based on the LSP's label stack.

Echo reply packets may not take the same path as the LSP.

The IP destination address is used to initiate echo requests,

The test fails if the LSP is not operationally up.

Click the exhibit. The operator at PE1 wants to analyze the traffic between CE4 and PE2. On an Nokia 7750 SR, which of the following is required as part of the configuration?

Both PE1 and PE2 need a mirror destination.

Both PE1 and PE2 need a mirror source.

PE2 needs a mirror source with the remote source specified.

PE1 needs a mirror source with the remote source specified.

Both PE1 and PE2 need a mirror destination.

PE2 needs a mirror destination that specifies a SAP.

Which of the following about route distinguishes on the Nokia 7750 SR is TRUE?

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

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.

Which of the following about VPRNs is TRUE?

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

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.

Which of the following about VPRN VRF tables is FALSE?

A PE uses the same VRF table for all the VPRN services on it.

A PE uses a VRF to maintain forwarding information.

Information for VRFs can be advertised between PEs by MP-BGP.

A PE uses a VRF to route traffic to CEs.

Which of the following about SDPs is FALSE?

An SDP can simultaneously support GRE and MPLS encapsulation.

An SDP is not required for a local service.

A single SDP can carry different types of services.

An SDP can simultaneously support GRE and MPLS encapsulation.

An SDP can use the system IP address to indicate the far-end router.

Which of the following about VPLS MAC learning is TRUE?

Frames received on a SAP that are broadcast, multicast or unknown are flooded.

Mesh SDPs assist MAC learning by flooding traffic to other mesh SDPs.

A PE keeps a single FDB for all VPLSes it has.

Frames received on a SAP that are broadcast, multicast or unknown are flooded.

The FDB only stores the MAC addresses of remote sites.

What happens by default on an Nokia 7750 SR when a VPLS accepts a tagged frame at the ingress SAP 1/1/1:100?

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

The FCS is verified and kept in the customer frame. The VLAN tag is kept and transported over the 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.

Which of the following about IES is FALSE?

A virtual routing/forwarding table is created per IES service.

An IES provides a Layer 3 interface to a customer.

A virtual routing/forwarding table is created per IES service.

An IES interface's IP address, if bound to a port, will appear in the routing table.

Which of the following is a benefit of VPRN as compared to VPLS?

Customers can connect to the same service using different subnets.

Service providers can apply QoS, ingress/egress traffic shaping and policing on a per service basis.

Different customers with overlapping address space can be accommodated.

There is a clear demarcation of customer and service provider networks.

Customers can connect to the same service using different subnets.

Which of the following about VPRN route targets is FALSE?

Route targets identify the egress SAP of a service towards a CE.

Route targets are carried in MP-BGP updates.

Route targets identify the VRF that a VPN-IFV4 prefix is associated with.

Route targets are communicated between PEs that are part of a specific VPRN.

Route targets identify the egress SAP of a service towards a CE.

A CE is connected to an IES interface. Which of the following is TRUE?

The CE must be on the same subnet as the IES.

The CE must be an IGP peer of the IES.

The CE must be on the same subnet as the IES.

The CE must use an E-pipe to connect to the IES.

The CE must fragment any frames that are too large for the IES.

Which of the following about VPRN VRF tables is FALSE?

Routes in the VRF table are advertised to the core routers.

Each VRF table contains routes for a single VPRN.

Route targets are used to determine if a prefix belongs to a VRF.

Routes in the VRF table are advertised to the core routers.

VPN labels identify which VRF table should be used for a packet.

Which of the following about route distinguishes on the Nokia 7750 SR is FALSE?

Route distinguishes allow the same IP prefix to be used for more than one destination in a single VPRN.

Route distinguishes are contained in VPN-IPv4 prefixes.

Route distinguishes allow the same IP prefix to be used for more than one destination in a single VPRN.

Route distinguishes allow MP-BGP to manage multiple routes for the same IP prefix.

Route distinguishes are only used by the PE routes.

Which of the following about the VPN-IFV4 address family is FALSE?

CE routers use VPN-IPv4 prefixes to differentiate between services.

VPN-IFV4 allows multiple customers to have overlapping IP addresses.

CE routers use VPN-IPv4 prefixes to differentiate between services.

PE routers are responsible for creating VPN-IPv4 prefixes.

A VPN-IFV4 prefix is composed of a route distinguisher (RD) and an IPv4 address.

An IPv4 MPLS provider network is being configured for 6VPE. BGP is being used for the PE-CE protocol to exchange IPv6 routes. Which of the following is FALSE?

The provider network core must be configured to support IPv6.

MP-BGP in the provider network needs to support the VPN-IPv6 address family.

PE routers must be configured to run MP-BGP.

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

The provider network core must be configured to support IPv6.

Which of the following about the components of a distributed service on the Nokia 7750 SR is TRUE?

A SAP can only be used by one service on a router.

A dedicated SDP needs to be created for each service.

A service is created on each site before the customer is created.

SAPs must be created before a service is created.

Click the exhibit. Which of the following statements about the E-pipe service is TRUE?

The service is a local service.

The service requires a second spoke SDP on this router.

The service will accept VLAN tag 100.

Nokia 4A0-104 Practice Test 7 - Free Online Exam Questions 241-280

Click the exhibit button.

Nokia 4A0-104 image Question 241 80213 09232024011832000000

Part of a 6VPE deployment is shown. Which of the following is the correct configuration and context on router CE1 for a BGP peering session with 6VPE1?

Nokia 4A0-104 image Question 241 80213 09232024011832000000

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