Alcatel-Lucent 4A0-104 Actual Free Exam Questions & Community Discussion

Exam Code/Number: 4A0-104
Exam Name/Title: Alcatel-Lucent Services Architecture
Certification Provider: Alcatel-Lucent
Corresponding Certification: Alcatel-Lucent Certifications

Exam Questions: 288
Updated On: May 28, 2026

Question #37

Click the exhibit.

PE1 and PE2 are Alcatel-Lucent 7750 SRs.Which of the following is the missing configuration required on PE2 to complete the mirror?

A. Option B

B. Option D

C. Option C

D. Option A

Discussion 0

Correct Answer: D Vote an answer

Question #38

Click the exhibit.

The output is from PE router R1about VPRN service 100.From which protocol did router R1learn the prefix 192.168.20.0/24?

A. BGP

B. MP-BGP

C. LDP

D. MPLS

Discussion 0

Correct Answer: B Vote an answer

Question #39

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

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

B. Customers can connect to the same service using different subnets.

C. Different customers with overlapping address space can be accommodated.

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

Discussion 0

Correct Answer: B Vote an answer

Question #40

Click the exhibit.

This PE is connected to an IPv4 core and is being configured to support 6VPE for a VPRN.Which of the following completes this section of the configuration?

A. Family ipv6

B. Family vpn-ipv4 vpn-ipv6

C. Family vpn-ipv4

D. Family ipv4

E. Family ipv4 ipv6

Discussion 0

Correct Answer: B Vote an answer

Question #41

In a Layer 2 encapsulation, using Martini, what does the second (bottom) label represent?

A. Tunnel Label

B. VC Label

C. VCI

D. VPI

E. Operational Control Word

Discussion 0

Correct Answer: B Vote an answer

Question #42

Which of the following statements is TRUE regarding service mirroring?

A. The maximum number of mirror slices that can be made on a network and access port are 256 and 8, respectively

B. Mirror slicing configuration is earned out in the mirror destination.

C. Mirror slicing is used to logically separate a port that is being monitored.

D. By default, mirror slicing is enabled so that only the protocol headers of data traffic are replicated to a mirror port.

Discussion 0

Correct Answer: B Vote an answer

Question #43

Which of the following best describes an IES?

A. Layer 2 point-to-point service.

B. Layer 3 IP multipoint-to-multipoint VPN service.

C. Layer 2 multipoint-to-multipoint service.

D. Layer 3 direct Internet access service.

Discussion 0

Correct Answer: D Vote an answer

Question #44

Which of the following statements best describes an FDB used in a VPLS service?

A. A VPLS service does not use an FDB.

B. A separate FDB is maintained for each VPLS service to track MAC addresses learned from each service.

C. An FDB is maintained on the PE router to track MAC addresses learned from all VPLS services on the router.

D. For each VPLS service, two FDBs are maintained to track MAC addresses; one for unicast traffic and one for multicast and broadcast traffic.

E. An FDB is maintained on the PE router to track MAC addresses learned from all traffic through the router.

Discussion 0

Correct Answer: B Vote an answer

Question #45

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

A. config>port# port-id no shutdown

B. config>service# vpws service-id enable

C. config>service# service-id no shutdown

D. config>service# epipe service-id enable

E. config>service# epipe service-id no shutdown

Discussion 0

Correct Answer: E Vote an answer

Question #46

Which of the following statements best describes how an FDB is populated with MAC addresses in a VPLS service?

A. The router reads the source MAC address of packets passing through the service.

B. The router uses reverse ARP (RARP) to resolve the MAC addresses for unknown destinations.

C. A VPLS service does not use an FDB.

D. The router reads the destination MAC address of packets passing through the service.

E. The router is programmed with MAC addresses by the network administrator.

Discussion 0

Correct Answer: A Vote an answer

Question #47

Which of the following SAPs will forward all tagged and untagged frames on the port?

A. sap 1/1/1

B. 1/1/1:0

C. sap 1/1/1:0.*

D. sap 1/1/1:*.0

Discussion 0

Correct Answer: A Vote an answer

Question #48

Which of the following best describes how the path-mlu is chosen for an SDP?

A. An SDP does not have a path-mtu

B. The path-mtu must be set by the administrator.

C. The path-mtu is calculated based on the service MTU of the service using the SDP.

D. By default, the path-mtu is calculated automatically from the network port MTU of the PE router.

E. The path-mtu is signaled between the PE endpoints when the service is established.

Discussion 0

Correct Answer: D Vote an answer

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