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Free Nokia 4A0-C01 Practice Exam with Questions & Answers | Set: 2

Questions 21

Why must the MTU be changed when configuring an IES spoke termination to a VPLS?

Options:
A.

The default service MTU on a VPLS service is 1514 bytes.

B.

The default IP MTU of an IES is set based on the network port MTU.

C.

During VC label signaling, the VC MTU is verified and must match.

D.

All of the above.

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Questions 22

Click the exhibit.

4A0-C01 Question 22

The operator at PE1 wants to analyze the traffic between CE4 and PE2. On an Alcatel-Lucent 7750 SR, which of the following is required as part of the configuration?

Options:
A.

Both PE1 and PE2 need a mirror source.

B.

PE2 needs a mirror source with the remote source specified.

C.

PE1 needs a mirror source with the remote source specified.

D.

Both PE1 and PE2 need a mirror destination.

E.

PE2 needs a mirror destination that specifies a SAP.

Questions 23

What is the purpose of service mirroring on the Alcatel-Lucent Service Router?

Options:
A.

To mirror service requirements of a customer with a single branch office and multiple remote sites

B.

To utilize unused ports of a service router until they are required for a service.

C.

To replicate traffic from a service port to another port for debugging or monitoring functions

D.

To ease the configuration burden of services that support a large number of subscribers

E.

All of the above

Questions 24

Click the exhibit.

4A0-C01 Question 24

Which tool produced this output?

Options:
A.

ping

B.

Isp-ping

C.

traceroute

D.

Isp-trace

Questions 25

Click the exhibit.

4A0-C01 Question 25

E-pipe 100 is using an SDP with an LSP that uses the path shown (PE1-PE2-PE3-PE4). Based on the OAM command output, which of the following is FALSE?

Options:
A.

The E-pipe can support a maximum MTU size of 1578.

B.

The ports of the link PE2-PE3 have an MTU of 1578.

C.

An svc-ping of the E-pipe will succeed.

D.

If the step size was 2, the maximum response size would be the same.

Questions 26

Which of the following about Hierarchical VPLS is FALSE?

Options:
A.

They allow a VPLS to scale more easily.

B.

They use mesh SDPs to connect smaller VPLSes together.

C.

They allow a service to span multiple metro networks.

D.

They simplify the configuration required when adding new PEs.

Questions 27

Which of the following about route distinguishes on the Alcatel-Lucent 7750 SR is FALSE?

Options:
A.

Route distinguishes are contained in VPN-IPv4 prefixes.

B.

Route distinguishes allow the same IP prefix to be used for more than one destination in a single VPRN.

C.

Route distinguishes allow MP-BGP to manage multiple routes for the same IP prefix.

D.

Route distinguishes are only used by the PE routes.

Questions 28

Click the exhibit.

4A0-C01 Question 28

PE1 and PE2 are Alcatel-Lucent 7750 SRs. What needs to be added to PE1's configuration to mirror traffic between PE2 and the customer site?

Options:
A.

A "remote-source" needs to be added to the mirror destination on PEL

B.

A mirror source needs to be added to PE1 with a "remote-source".

C.

This is not possible since the protocol analyzer is located at the Central Office. It needs to be at the customer site.

D.

A mirror source with SAP 1/1/2 needs to be added on PEL

Questions 29

Which of the following statements is FALSE regarding 6VPE?

Options:
A.

6VPE is a tunneling technology that makes use of MPLS tunnels to transport IPv6 information over an IPv4 MPLS infrastructure.

B.

Customers connected to 6VPE could run native IPv6 or IPv4.

C.

On the PE router, the next hop for a VPN IPv6 address is an IPv6 address, regardless of the nature of the network between the PEs.

D.

6VPE requires an IPv6-aware MPLS core.

E.

Both C and D are false.

F.

All of the above statements are true.

Questions 30

Click the exhibit.

4A0-C01 Question 30

PE1 and PE2 are Alcatel-Lucent 7750 SRs. Which of the following is the missing configuration required on PE2 to complete the mirror?

4A0-C01 Question 30

Options:
A.

Option A

B.

Option B

C.

Option C

D.

Option D

Questions 31

Click the exhibit.

4A0-C01 Question 31

Part of a 6VPE deployment is shown in this exhibit. Which of the following is the correct configuration and context on PE1 for a BGP peering session with CE1?

4A0-C01 Question 31

Options:
A.

Option A

B.

Option B

C.

Option C

D.

Option D

Questions 32

A Cpipe supports both structured and unstructured frames.

Options:
A.

TRUE

B.

FALSE

Questions 33

On a dot1Q encapsulated port, frames with a VLAN tag of 0 and untagged frames are forwarded to the null SAP

Options:
A.

TRUE

B.

FALSE

Questions 34

Which of the following about the Alcatel-Lucent 7750 SR svc-ping, when used in-band, is FALSE?

Options:
A.

It will show the hops taken between service endpoints.

B.

It will test the delay across the service.

C.

It will test the SDPs of a service in both directions.

D.

It will test the round-trip connectivity of the service.

Questions 35

Which of the following best describes the flooding of traffic on a PE when unknown traffic is received on a SAP of a VPLS?

Options:
A.

Traffic is flooded to all SAPs in the service.

B.

Traffic is flooded to all SAPs and spoke SDPs in the service.

C.

Traffic is flooded to all SAPs and mesh SDPs in the service.

D.

Traffic is flooded to all SAPs, spoke SDPs, and mesh SDPs in the service.

E.

The traffic is not flooded.

Questions 36

On an Alcatel-Lucent 7750 SR, why must the MTU be explicitly set when configuring an IES spoke termination to a VPLS?

Options:
A.

By default, a VPLS signals an MTU based on the network port.

B.

By default, an IES sets its ip-mtu to the VC MTU of the VPLS.

C.

By default, an IES uses an MTU value based on its SAP.

D.

By default, an IES uses an MTU based on the network port.

Questions 37

Which of the following commands is used to enable an E-pipe service?

Options:
A.

config>service= epipe enable

B.

config>service~ vpws enable

C.

config>service= no shutdown

D.

config>port= no shutdown

E.

config>service= epipe no shutdown

Questions 38

Which of the following about ADSPEC is FALSE?

Options:
A.

ADSPEC sets an SDP's MTU to the smallest MTU value found along the LSP path.

B.

RSVP must be enabled on all MPLS routers of a path to use ADSPEC.

C.

ADSPEC can automatically adjust the service MTU.

D.

ADSPEC can be enabled on individual LSPs.

Questions 39

Which of the following about the VPN-IFV4 address family is FALSE?

Options:
A.

VPN-IFV4 allows multiple customers to have overlapping IP addresses.

B.

CE routers use VPN-IPv4 prefixes to differentiate between services.

C.

PE routers are responsible for creating VPN-IPv4 prefixes.

D.

A VPN-IFV4 prefix is composed of a route distinguisher (RD) and an IPv4 address.

Questions 40

On an Alcatel-Lucent 7750 SR, what is the recommended approach for making sure that MTUs between a VPLS and its spoke IES termination match?

Options:
A.

Set the service MTU of the VPLS to match the IES MTU.

B.

Set the ip-mtu of the IES to match the service MTU of the VPLS.

C.

Set the SDP MTU of the IES to match the SDP MTU of the VPLS.

D.

Set the MTU of the IES's network port to match the service MTU of the VPLS.

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