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Nokia 4A0-C02 - Nokia SRA Composite Exam

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Total 639 questions

Which of the following AS Paths will match the regular expression "65100."?

A.

"65100"

B.

"65100 65200''

C.

"65200 65100"

D.

"65100 65250 65200"

Which of the following statements regarding BGP control plane convergence is FALSE?

A.

Core and edge node failure recovery depends on IGP convergence.

B.

Edge neighbor failure is detected by the eBGP session timeout.

C.

BGP control plane convergence is independent of number of affected prefixes.

D.

Upon BGP control plane convergence, an optimal path is installed in the FIB.

Which of the following is considered a best practice for BGP address planning?

A.

Advertising external networks into IGP.

B.

Using system addresses for setting up iBGP sessions.

C.

Exporting the networks associated with the external links of eBGP peers into BGP.

D.

Optimizing BGP route table by exporting IGP routes into BGP.

Which PDU type is sent periodically over a link in the IEEE 802.3ah EFM as a method of keepalive?

A.

Event notification.

B.

Loopback control.

C.

Information.

D.

Variable request.

E.

Variable response.

Which physical topology is NOT commonly deployed in today's VPLS networks?

A.

Ring topologies.

B.

Metro-to-metro topologies

C.

H-VPLS topologies.

D.

Partial-mesh topologies.

Which function of the IEEE 802.1 ag is used for responding to CFM messages but not originating them?

A.

MEP

B.

MAP

C.

MIP

D.

MUP

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.

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

A.

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.

B.

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

C.

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.

D.

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

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

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

Which of the following features can be enabled to eliminate MAC instability when using policy-based forwarding to redirect traffic to a Layer 2 DPI device?

A.

discard-unknown

B.

mac-move

C.

disable-learning

D.

enable-mac-stability

Click on the exhibit below.

Based on the output below which of the following statements is true?

A.

This Bridge is furthest from the Root Bridge within the VPLS mesh.

B.

This Bridge is the Root Bridge.

C.

SAP 1/1/1 is an Edge Port.

D.

This Bridge is closest to the Root Bridge within the VPLS mesh.

Click on the exhibit below.

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

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.

Click on the exhibit below.

The VPLS service MTU on R2 is 1514 bytes. What must the service MTU be on all other routers participating in the VPLS?

A.

The service MTU must be equal to or smaller than 1514 bytes.

B.

The service MTU must be 1514 bytes.

C.

The service MTU must be equal to or greater than 1514 bytes.

D.

The service MTU can be any value.

Click on the exhibit below.

Study the diagram shown. What consideration should be given to the transport tunnel of SDP 300?

A.

The SDP must be configured to use GRE encapsulation.

B.

The SDP must follow the same path as the user's SDP.

C.

The SDP should be configured to use an RSVP signaled transport with fast reroute.

D.

The SDP must be the same as the user's SDP.

The "discard-unknown" command has been enabled at the VPLS level. Which of the following statements is true? (Choose 2)

A.

Broadcast traffic will be flooded.

B.

If the unicastSA has not been learned in the FDB, the frame will be dropped.

C.

If the unicast DA has not been learned in the FDB, the frame will be dropped.

D.

All traffic will be dropped, including multicast and broadcast.

E.

Broadcast traffic will be dropped.