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SRC Certification 4A0-105 Updated Exam

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Question 12

The FDB has learned 2 MAC addresses. The first is from a device accessible via a locality defined SAP, the second is from a device accessible via an SDP. Both MAC addresses were learned at the exact same time. If all traffic from these hosts stops at the same time, which address will age out first from the FDB based on default settings?

Options:

A.

MAC learned via SAP

B.

MAC learned via SDP

C.

There is not enough information to determine

D.

Both will timeout at the same time

Question 13

Which of the following describes the overhead added to a customer frame on an Ethernet link in a VPLS service on the Nokia 7750 SR?

Options:

A.

The overhead consists of 26 bytes. 14 DLC + 2 Ethertype + 8 for mpls labels + 2 for GRE

B.

The overhead consists of 14 bytes for DLC.

C.

The overhead consists of 18 bytes. 14 DLC +4 for mpls labels

D.

The overhead consists of 22 bytes. 14 DLC + 8 for mpls labels

Question 14

How many designated ports are there in a spanning tree topology?

Options:

A.

The same as the number of alternate ports in the topology

B.

1 per segment

C.

The same as the number of root ports

D.

1 per switch

Question 15

What must be enabled in order to prevent a loop within a LAG?

Options:

A.

RSTP

B.

Dynamic-cost

C.

LACP active

D.

Nothing, There are no loops in LAGs

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Exam Code: 4A0-105
Exam Name: Nokia Virtual Private LAN Services
Last Update: May 11, 2024
Questions: 156
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