100% Free 4A0-105 Practice Exam Questions and Answers

Stay Ahead with Latest 4A0-105 SRC Certification Practice Test Questions 2026

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Total 158 Questions | Updated On: Sep 23, 2026

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Question 1

Which of the following needs to be considered when designing Ethernet networks with redundancy?

A : Processing the TTL takes extra time

B : MAC learning rate is doubled.

C : FDB size is doubled

D : Requires a protocol to remove loops

Answer: D

Question 2

What configuration is required on the CE device when using MC-LAG?

A : The CE must be configured with an MC-LAG to both PE devices.

B : The CE must be configured with LACP in active mode.

C : There is no configuration required on the CE.

D : The CE must be an Alcatel-Lucent 7750 SR.

Answer: B

Question 3

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

A : TRUE

B : FALSE

Answer: B

Question 4

How is the Primary Bridge chosen in a VPLS?

A : The PE devices participating in the VPLS mesh run a separate Spanning Tree instance in the Core. The Primary Bridge is the Root Bridge for the VPLS mesh.

B : The PE devices participating in the VPLS mesh determine which bridge is closest to Root Bridge. This bridge becomes the Primary Bridge.

C : The PE devices participating in the VPLS mesh determine which bridge has the lowest bridge-id. This bridge becomes the Primary Bridge.

D : The PE devices participating in the VPLS mesh determine which bridge is the Root Bridge. This becomes the Primary Bridge.

Answer: B

Question 5

What is the maximum number of VLANs supported on a traditional Layer 2 switch?

A : 4094

B : 8190

C : 32768

D : 131071

Answer: A

Page: 1 / 32

Total 158 Questions | Updated On: Sep 23, 2026

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