4A0-C02 Nokia SRA Composite Exam exact Exam Questions

Nokia SRA Composite Exam

Last Update 15 hours ago Total Questions : 639

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Question # 1

Which of the following is NOT a viable option when implementing inter-AS VPRN?

MP-eBGP exchange of VPN-IPv4 routes between ASBRs residing in different autonomous systems.

MP-eBGP exchange of labeled IPv4 routes between route reflectors residing in different autonomous systems.

A VRF-to-VRF connection at the autonomous system border routers.

MP-eBGP exchange of VPN-IPv4 routes between PEs residing in different autonomous systems.

Question # 2

Click on the exhibit below.

Study the network diagram. Which of the following configurations is correct for user VPLS 100 on PE4?

Option A

Option B

Option C

Option E

Question # 3

Click on the exhibit below.

The MDU attached to this PE has been configured with active/standby SDP ' s configuration option has been configured for the PE to recognize that this SDP is in standby mode?

On the PE the endpoint has been configured with " supress-standby-signalling "

On the PE the endpoint has been configured with " no supress-standby-signalling "

On the MDU the endpoint has been configured with " supress-standby-signalling "

On the MDU the endpoint has been configured with " no supress-standby-signalling1

Question # 4

What is the default Spanning Tree protocol used in a VPLS on the Alcatel-Lucent 7750 SR?

802.1D2004

802.1D 1998

comp-dot1w

PVST

Question # 5

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

oam mac-ping

oam mac-populate

oamsvc-ping

oam mac-trace

Question # 6

A router has just learned the 10th MAC address while the FDB size is also set to 10. What is the likely outcome?

The frame is dropped.

The frame is always flooded

The frame is forwarded and MAC learning is automatically disabled.

The frame is discarded if the destination is unknown.

More information is required to determine the fate of this new frame.

Question # 7

Which of the following describes the setting of the l-SID on the Alcatel-Lucent 7750 SR?

The I-SID is set to 0 by default and is only used for interop purposes. The receiving PE uses the service label to determine the I-VPLS.

There is no default value. The I-SID must always be explicitly configured

The I-SID is set to the service-id, unless the service-id is larger than a 24 bit value. In this case the I-SID must be explicitly configured.

The I-SID is always set to the service-id by default.

Question # 8

What scaling factors should a network engineer be aware of when designing VPLS networks? (Choose 3)

Control plane scaling.

Data plane scaling.

Network touches.

Route table reduction.

OAM tools.

Question # 9

An l-VPLS is configured with a service id of 511. What will the value of the l-SID be assuming a default configuration?

The 1-SID must be explicitly configured.

The 1-SID only supports a range from 1 to 255.

The 1-SID will default to 511 .the value of the service-id.

Thel " SIDwilldefaultto131582, the value of the service-id + 131071.

Question # 10

When configuring the CE with the selected CE-PE routing protocol on an Alcatel-Lucent 7750 SR, which of the following statements is true? (Choose three.)

The protocol is configured under the config > service context

The protocol is configured under the global router context

The interface leading to the PE is defined as a protocol neighbor

The routing protocol used must be the same as the routing protocol used at other CE-PE locations in the same VPN.

A routing policy may or may not be required depending on the routing requirements and routing protocol

Question # 11

Click on the exhibit below.

Assume the port on CE-A is sending two tags, a top tag of 100 and a bottom tag of 500. PE-A is configured with a SAP id of 1/1/1:100.*. How should PE-B be configured if CE-B is expecting a top tag of 200 and a bottom tag of 500?

PE-B will require a SAP id of " sap 1/1/1:500* " .

PE-B will require a SAP id of " sap 1/1/1:100* " .

PE-B will require a SAP id of " sap 1/1/1:500.200 " .

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

Question # 12

What function in IEEE 802.1 ah helps to limit the amount of MAC addresses learned in the core?

I-VPLS is configured in the core of the network with an l-MAC address. This l-MAC address is the only MAC learned in the core

The B-VPLS and l-VPLS are configured in the edge. The B-VPLS is configured with a Backbone MAC and is the only MAC learned in the core

Each SDP is configured with a Backbone MAC to hide customer MAC addresses in the core

Each SAP is associated with a common l-MAC to hide customer MAC addresses in the core

Question # 13

Click on the exhibit below.

If the device connected to PE-A in Metro A sends a frame to PE-A that requires replication within the VPLS which devices is PE-A responsible for replicating the frame to?

PE-A must replicate the frame to all devices participating in the VPLS

PE-A must replicate the frame to all PEs within Metro A

PE-A must replicate the frame to all devices in the Metro A

All of the above

Question # 14

What needs to be configured in a VPLS in order to forward customer STP BPDUs transparently?

Spanning tree must be enabled within the VPLS.

Spanning tree BPDUs must be untagged.

Spanning tree BPDUs must be tagged.

Spanning tree must be disabled within the VPLS.

Question # 15

One of the shortcomings of Spanning Tree Protocol (STP) is that it computes a valid, but not necessarily optimal, path between nodes within a network.

TRUE

FALSE