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Nokia 4A0-105 - Nokia Virtual Private LAN Services

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Total 156 questions

Click on the exhibit below.

Assume there are two VPLS services configured on the MDU. How could load-balancing be achieved when using Active/Standby pseudowires?

A.

This cannot be done.

B.

Each VPLS will use the same pair of SDP's with the same endpoint configured with the option "load-balancing 2".

C.

Each VPLS will need their own pair of spoke-SDP's configured. The spoke-sdp's that are to be active should be configured with the option "precedence primary".

D.

Under the end-point configuration, enable load-balancing 2 and the MDU will load balance automatically.

In RSTP, how is the root bridge selected?

A.

The switch with the highest bridge-id is selected as root.

B.

The switch with the lowest bridge-id is selected as root.

C.

The switch with the highest MAC address is selected as root

D.

The switch with the lowest MAC address is selected as root.

Click on the exhibit below.

Which port will become the alternate port?

A.

Bridge B 1/1/3

B.

Bridge B 1/1/2

C.

Bridge C 1/1/2

D.

Bridge C 2/1/1

E.

Bridge D 1/1/1

F.

Bridge D 1/1/3

G.

Bridge E 1/1/1

An MC-LAG is configured with default parameters. When a failed interface recovers, the active link reverts to the restored interface.

A.

TRUE

B.

FALSE

Click on the exhibit below.

CE-A sends frames with 2 tags. If the SAP on PE-A is "sap 1/1/1:1 .*" and the SAP on PE-B is "sap 1/1/1:100.200" how many tags will there be on the frame when it egresses from the SAP on PE-B?

A.

0

B.

1

C.

2

D.

3

The service mtu of a VPLS is set to 9100. What is the recommended MTU value that can be set for the access port assuming dot1q encapsulation?

A.

9100

B.

9104

C.

9108

D.

9122

E.

9126

What action will be taken when an MPLS router receives a frame with a label that does not exist in the LFIB?

A.

The frame will be flooded.

B.

The frame will be discarded.

C.

The frame will be fragmented.

Click on the exhibit below.

CE-A is on VLAN 200 and CE-B is on VLAN 300. Which of the following SAP ids can be configured on PE-A and PE-B to allow direct communication between CE-A and CE-B?

A.

PE-A will require a SAP id of "sap 1/1/1:200" and PE-B will require a SAP id of "sap 1/1/1:300.

B.

PE-A will require a SAP id of "sap 1/1/1" and PE-B will require a SAP id of "sap 1/1/1".

C.

PE-A will require a SAP id of "sap 1/1/1:0" and PE-B will require a SAP id of "sap 1/1/1:0".

D.

PE-A will require a SAP id of "sap 1/1/1:*" and PE-B will require a SAP id of "sap 1/1/1:*".

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

A.

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

B.

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.

C.

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

D.

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

The service-mtu of a VPLS using MPLS encapsulation is set to 9100. What is the minimum MTU value that can be set for the network port if fast re-route facility mode is used on the SDP LSP?

A.

9100

B.

9104

C.

9108

D.

9122

E.

9126