Download Alcatel-Lucent Interior Routing Protocols.Prepaway.4A0-101.2018-06-24.1e.190q.vcex

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Exam Alcatel-Lucent Interior Routing Protocols and High Availability
Number 4A0-101
File Name Alcatel-Lucent Interior Routing Protocols.Prepaway.4A0-101.2018-06-24.1e.190q.vcex
Size 10.16 Mb
Posted June 24, 2018
Downloads 8



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Demo Questions

Question 1
When are virtual links used in OSPF? 

  • A: When two areas need to communicate and there is no area 0.
  • B: When an area needs to traverse another area to reach area 0.
  • C: When two areas are connected to area 0, but there is no direct path between them.
  • D: When an area needs to connect directly to another area without using area 0.



Question 2
Which of the following statements regarding area border routers in an OSPF network is true?

  • A: The term backbone router has the same definition as the term area border router.
  • B: An OSPF network needs at least one area border router to function.
  • C: Area border routers connect the backbone area to other areas in an OSPF network.
  • D: By definition, an area border router must perform route summarization between areas.



Question 3
Which of the following correctly lists the 5 OSPF packet types?

  • A: Hello, link state update, link state packet, link State acknowledgement, database description.
  • B: Link state update, link state refresh, link state acknowledgement, database description, notification.
  • C: Hello, link state refresh, link state update, link state acknowledgement, link state authentication.
  • D: Hello, link state update, link state request, link state acknowledgement, database description.



Question 4
Which of the following OSPF area types are supported by the Alcatel- Lucent 7750 SR? Choose two answers.

  • A: Not so stubby areas
  • B: Level1 area WC
  • C: Stub areas
  • D: Partially stubby areas
  • E: Level 2 areas



Question 5
If OSPF is used in a multi-area OSPF network, which of the following statements regarding route summarization is true?

  • A: Manual route summarization can only be done on autonomous system border routers.
  • B: Manual route summarization must be done on all the backbone routers to be effective. Manual route summarization is optional on the routers in non-backbone areas.
  • C: Manual route summarization is done on the ABRs. By default, automatic summarization is done; however, it may not be optimal for all networks. 
  • D: Manual route summarization is done on the ABRs. By default, no route summarization is done and all routes are advertised to all areas.



Question 6
Click the exhibit button. 

  

The OSPF packets shown have been exchanged between two neighbors. What state is the OSPF adjacency in?

  • A: The adjacency state is two way because both routers have received a database description packet.
  • B: The adjacency is in the exchange state. The next step is to exchange link state request and link state update packets.
  • C: The adjacency is in the ex start state. The routers have exchanged database description packets, but still have to negotiate the starting sequence number.
  • D: The adjacency state is full. The routers are exchanging database description packets to notify each other that all link state advertisements have been received. 



Question 7
Which of the following best describes the type of packets used by OSPF routers to exchange updates on a point-to-point link?

  • A: IP packets sent to an IP multicast address.
  • B: TCP packets sent to an IP multicast address.
  • C: IP packets sent to an IP unicast address.
  • D: UDP packets sent to an IP multicast address.



Question 8
Which of the following statements best describes an OSPF type 3 LSA? 

  • A: An OSPF type 3 LSA is an intra-area LSA, generated by the ABR only when route summarization is configured.
  • B: An OSPF type 3 LSA is an inter-area LSA, generated by the ABR only when route summarization is configured.
  • C: An OSPF type 3 LSA is an inter-area LSA, generated by an ASBR to describe external routes.
  • D: An OSPF type 3 LSA is an inter-area LSA, generated by the ABR to describe a route to neighbors outside the area.



Question 9
Which of the following types of networks are supported on an Alcatel-Lucent 7750 SR for OSPF? Choose two answers.

  • A: Broadcast
  • B: Non-broadcast multi-access
  • C: Point-to-point
  • D: Point-to-multipoint



Question 10
If routers R1 and R2 have a Level 1 and Level 2 IS-IS adjacency, which of the following statements is true? Choose two answers.

  • A: Routers R1 and R2 are in different areas.
  • B: Routers R1 and R2 are in the same area.
  • C: Routers R1 and R2 will send a Level 1 Hello PDU and Level 2 Hello PDU, if the interface type between them is point-to-point.
  • D: Routers R1 and R2 will send a Level 1 Hello PDU and Level 2 Hello PDU, if the interface type between them is broadcast.
  • E: Routers R1 and R2 will send a Level 1/2 Hello PDU if the interface type between them is broadcast.









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