Alcatel-lucent Scalable IP Networks Mpls

  • NRS I
  • 4A0-100
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1. The VPN service that appears to the customer as a private routed network is _____.

Explanation

VPRN is a VPN that appears to a customer as a private routed network.

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Alcatel-lucent Scalable IP Networks Mpls - Quiz

Preparing for the Network Routing Specialist I (NRS I) Certification Exam (4A0-100)

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2. The most commonly used label distribution protocol is _____.

Explanation

LDP is the most common label distribution protocol.

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3. Which of the following term-definition pairs is incorrect?

Explanation

This description is the Label Switched Path.

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4. Which of the following is not  a type of VPN?

Explanation

VPNM is not a type of VPN.

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5. A VPN that provides a simple point-to-point service between two destinations is a _____.

Explanation

VPWS is a VPN that emulates a point-to-point service between two destinations.

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6. As a packet traverses an MPLS network, it passes through a router that removes one label and replaces it with another. The router it passed through was a _____ router.

Explanation

P routers swap labels and forward them to other P or PE routers.

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7. In an MPLS network, the customer routers have no knowledge of how the MPLS features are implemented. The benefits of this include _____.

Explanation

Transparency of the MPLS features to a CE device has all of the benefits listed.

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8. Which of the following is not an accurate description of a VPN?

Explanation

Encryption can be a part of a VPN, but the correct description of a VPN should include a way to privatize communications between user communities. The other answers speak to this, but answer D does not.

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9. The relationship between LDP and an IGP is best described as _____.

Explanation

LDP and IGPs do not re-distribute information directly or compete with each other for paths as they perform completely different functions, although LDP does use the information from IGP to populate the next-hop interfaces for labels.

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10. The VPN service that requires encryption is _____.

Explanation

None of the VPN services provided by an MPLS network require encryption.

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11. Which of the following is false regarding LDP?

Explanation

LDP is only one method of distributing labels; RSVP can be used as well as other protocols.

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12. The VPN service that must maintain a table of MAC addresses is _____. 

Explanation

VPLS is a VPN that must maintain a table of MAC addresses.

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13. A packet arrives at a router with a label, and the router cannot perform any operations on it. The router is most likely a _____.

Explanation

PE, LSR, and LER routers can all understand labels. The router is most likely a CE router, which is not one of the choices.

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14. Which of the following is false regarding an SDP? 

Explanation

SDPs are not specific to a single service and can support multiple services.

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15. Which of the following accurately describes a P device?

Explanation

Answer A is a CE, and answer C is a P. D is partially correct, but B is the more accurate answer.

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The VPN service that appears to the customer as a private routed...
The most commonly used label distribution protocol is _____.
Which of the following term-definition pairs is incorrect?
Which of the following is not  a type of VPN?
A VPN that provides a simple point-to-point service between two...
As a packet traverses an MPLS network, it passes through a router that...
In an MPLS network, the customer routers have no knowledge of how the...
Which of the following is not an accurate description of a VPN?
The relationship between LDP and an IGP is best described as _____.
The VPN service that requires encryption is _____.
Which of the following is false regarding LDP?
The VPN service that must maintain a table of MAC addresses is...
A packet arrives at a router with a label, and the router cannot...
Which of the following is false regarding an SDP? 
Which of the following accurately describes a P device?
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