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4A0-105 Exam Dumps - Nokia SRC Certification Questions and Answers

Question # 14

Multiple VPLS services can be offered over the same set of LSP tunnels?

Options:

A.

TRUE

B.

FALSE

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Question # 15

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?

Options:

A.

VPLS 100 was not actually configured as a management VPLS.

B.

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

C.

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

D.

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

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Question # 16

Port 1/1/1 has been configured as an access port with QinQ encapsulation. Which of the following three statements are true for ingress traffic assuming default configuration? (Choose 3)

Options:

A.

sap 1/1/1:*.0 is a valid sap id.

B.

sap 1/1/1:100* will accept frames with a single tag of 100.

C.

sap 1/1/1:200* will strip the top tag of 200 and the bottom tag will be transparently passed.

D.

sap 1/1/1:0* will accept all untagged frames.

E.

sap 1/1/1:0* will accept any tagged frames.

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Question # 17

Click on the exhibit below.

The following VPLS services and SAPs have been configured. Which of the following statements is true?

Options:

A.

All untagged frames will be dropped.

B.

The source MAC address of a frame with a top tag of 200 and bottom tag of 300 will be populated in VPLS 3.

C.

All frames with more than one tag will be dropped.

D.

The source MAC address of a frame with a single tag of 500 will be populated in VPLS 1.

E.

The source MAC address of a frame with a top tag of 100 will be populated in VPLS 2.

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Question # 18

What is the SA in the Ethernet frame used for by a layer 2 switch?

Options:

A.

MAC learning

B.

SA filtering

C.

Routing table population

D.

Frame forwarding

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Question # 19

How can one ensure that a specific switch will be select as root in an STP network?

Options:

A.

Set the bridge priority to 131071.

B.

Set the bridge priority to 0.

C.

Set the bridge priority to 32768.

D.

Leave the bridge priority as the default.

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Question # 20

What is the default fdb size for a VPLS service?

Options:

A.

100

B.

1

C.

25

D.

250

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Question # 21

Which of the following statements is true?

Options:

A.

Filter Policies can only be applied on egress.

B.

An IP filter can be applied on ingress at the same time a MAC filter is applied on the egress of the SAP.

C.

Filter Policies can be based on IP, MAC, and VPI/VCI addresses.

D.

Any number of ingress and egress filter policies can be associated with a SAP.

E.

An IP filter and a MAC filter can be applied on the ingress SAP at the same time.

F.

None of the above.

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Question # 22

If the command "disable-learning" has been added at the VPLS level, then MAC entries which have already been learned will not be aged.

Options:

A.

TRUE

B.

FALSE

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Question # 23

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

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Exam Code: 4A0-105
Exam Name: Nokia Virtual Private LAN Services
Last Update: Apr 2, 2025
Questions: 156
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