Summer Special 60% Discount Offer - Ends in 0d 00h 00m 00s - Coupon code: bestdeal

Free Nokia 4A0-104 Practice Exam with Questions & Answers | Set: 8

Questions 71

What can the sdp-ping command be used for? (Choose 2)

Options:
A.

To test the ability of reaching the far-end IP address of an SDP within the SDP encapsulation

B.

To determine the path MTU to the far-end IP address over an SDP.

C.

To determine the service MTU of the service using an SDP.

D.

To determine the presence of hosts using the service

Nokia 4A0-104 Premium Access
Questions 72

What does a PE do when a frame is received in a VPLS service with an unknown destination address by default?

Options:
A.

Drop the frame.

B.

Flood the frame to all PEs participating in the service.

C.

Send a destination unreachable message back to the originating host.

D.

Store the frame until the destination is known

Questions 73

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

Options:
A.

The original VLAN tag is removed.

B.

The original VLAN tag is kept.

C.

The VLAN tag is replaced by a provider tag.

D.

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

Questions 74

Which of the following about VPLS MAC learning is FALSE?

Options:
A.

The PE routers of the service are responsible for learning MAC addresses.

B.

Flooding ensures that all PEs in a fully-meshed VPLS will learn the source address of all traffic.

C.

MAC learning reduces flooding of frames with previously learned addresses.

D.

Multiple VPLSes on the same PE share the same MAC FDB.

Questions 75

When configuring distributed services across a network, it is considered best practice to configure which of the following parameters as globally significant?

Options:
A.

Customer ID and SAP ID.

B.

Customer ID and Service ID.

C.

SAP ID and Service ID.

D.

SDP ID and Service ID.

E.

SDP ID and SAP ID.

F.

SDP ID and VC ID.

Questions 76

By default, how does a VPLS handle a tagged frame received at the ingress of a null SAP on an Alcatel-Lucent 7750 SR?

Options:
A.

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

B.

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

C.

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

D.

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

Questions 77

Which of the following about the components of a distributed service on the Alcatel-Lucent 7750 SR is TRUE?

4A0-104 Question 77

Options:
A.

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

B.

A dedicated SDP needs to be created for each service.

C.

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

D.

SAPs must be created before a service is created.

Questions 78

Which of the following about VPN labels is FALSE?

Options:
A.

They are signaled between PE devices using MP-BGP.

B.

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

C.

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

D.

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

Questions 79

Which of the following about VPRN VRF tables is FALSE?

Options:
A.

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

B.

A PE uses a VRF to maintain forwarding information.

C.

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

D.

A PE uses a VRF to route traffic to CEs.

Questions 80

What Alcatel-Lucent 7750 SR OAM tool can be used to verify the end-to-end connectivity of a service?

Options:
A.

Sdp-ping

B.

Isp-ping

C.

Svc-ping

D.

Sdp-mtu

Exam Code: 4A0-104
Certification Provider: Nokia
Exam Name: Alcatel-Lucent Services Architecture
Last Update: Jul 15, 2025
Questions: 288