Free Alcatel-Lucent 4A0-105 Practice Test & Real Exam Questions

Exam Code/Number: 4A0-105
Exam Name/Title: Alcatel-Lucent Virtual Private LAN Services
Certification Provider: Alcatel-Lucent
Corresponding Certification: Alcatel-Lucent Certifications

Exam Questions: 156
Updated On: May 28, 2026

Question #1

Which element of IEEE 802.1ag is responsible for initiating CFM messages?

A. MUP

B. MAP

C. MEP

D. MIP

Discussion 0

Correct Answer: C Vote an answer

Question #2

Which of the following OAM tools can be used as a VPLS topology discovery mechanism (Choose 2)?

A. oam mac-trace

B. oam mac-populate

C. oamsvc-ping

D. oam mac-ping

Discussion 0

Correct Answer: A,D Vote an answer

Question #3

When deploying Active/Standby pseudowires,the CE does not require any special configuration

A. TRUE

B. FALSE

Discussion 0

Correct Answer: B Vote an answer

Question #4

What is PBB also known as?

A. IEEE 802.lag

B. MAC aggregation

C. MAC-in-MAC

D. H-VPLS

Discussion 0

Correct Answer: C Vote an answer

Question #5

Which of the following is a true statement?

A. In a dynamic environment where MAC addresses are changing rapidly, the higher the age-time, the larger the fdb-table-size should be.

B. In a dynamic environment where MAC addresses are changing rapidly, the higher the age-time, the smaller the fdb-table-size should be.

C. In a dynamic environment where MAC addresses are changing rapidly, the lower the age-time, the larger the fdb-table-size should be.

D. There is no relationship between the age-time and the fdb-table-size.

Discussion 0

Correct Answer: A Vote an answer

Question #6

H-VPLS solves the data-plane and control-plane problems with the exception of one issue. What is the concern that H-VPLS does not solve?

A. Increased LSP count.

B. Number of TLDP sessions.

C. The amount of network touches.

D. FDB consumption.

E. Increased bandwidth and replication.

Discussion 0

Correct Answer: D Vote an answer

Explanation: Only visible for Pass4Leader members. You can sign-up / login (it's free).

Question #7

Click on the exhibit below.

Management VPLS 100 has been created for redundant spoke-SDP connections. User VPLSs 10 and 20 are using the same spoke-SDPs that are being managed by VPLS 100. Unexpected behavior has been reported. Based on the following output, what is the most likely reason for the unexpected behavior?

A. VPLS 10 and VPLS 20 are not using the same spoke-sdps that the management VPLS is using.

B. Based on the output there is now way of telling if there is a problem with the configuration.

C. VPLS 10 and VPLS 20 are not actually configured as a user VPLS.

D. VPLS 100 was not actually configured as a management VPLS.

Discussion 0

Correct Answer: D Vote an answer

Question #8

Which of the following best describes the difference between VPWS and VPLS?

A. Unlike VPWS, VPLS allows customers to view the network as a routed network.

B. Unlike VPWS, VPLS is a service where customer MAC addresses are learned.

C. Unlike VPLS. VPWS appears as a multi-hop network to the customers.

D. Unlike VPLS, VPWS allows CEs that are member of the same service instance to communicate with each other as if they are connected via a bridged LAN.

Discussion 0

Correct Answer: B Vote an answer

Question #9

In Rapid Spanning Tree Protocol, a Backup Port is on the same switch as a Designated Port?

A. TRUE

B. FALSE

Discussion 0

Correct Answer: A Vote an answer

Question #10

Click on the exhibit below.

Given the following output what is the most likely reason the SDP binding is operationally down? (Choose 2)

A. LDP is disabled on the far-end.

B. The mesh-sdp is missing on the far-end.

C. There is an MTU mismatch.

D. The sdp id is different on the far-end.

E. The mesh-sdp is administratively shutdown on PEL

F. The vc-id is different on the far-end.

Discussion 0

Correct Answer: B,F Vote an answer

Download Free Alcatel-Lucent 4A0-105 Demo

Simply submit your e-mail address below to get started with our free demo of your Alcatel-Lucent 4A0-105 exam.