Nokia 4A0-101 Online Practice Questions and Exam Preparation

Nokia 4A0-101 Online Questions & Answers

• Question 21:

  In IS-IS, which of the following statements regarding an L1/L2 router is false?

  A. An L1/L2 router can have neighbors in different areas.
  B. An L1/L2 router calculates separate SPF trees for the Level 1 and Level 2 topology.
  C. An L1/L2 router advertises its L2 routes to its L1 neighbors.
  D. An L1/L2 router sets the ATT bit in L1 LSPs to identify itself as an L1 router.
  D. An L1/L2 router sets the ATT bit in L1 LSPs to identify itself as an L1 router.

• Question 22:

  Click the exhibit button.

  

  Given the diagram below, what path will traffic follow from router R6 to router R3, and from router R3 to router R6, if IS-IS is the routing protocol? The numbers beside the links are the metrics for that link.

  A. Router R6 to router R3 will follow (R6-R5-R2-R3). Router R3 to router R6 will follow (R3- R2-R5-R6).
  B. Router R6 to router R3 will follow (R6-R5-R2-R3). Router R3 to router R6 will follow (R3- R4-R2-R5- R6).
  C. Router R6 to router R3 will follow (R6-R5-R2-R3). Router R3 to router R6 will follow (R3- R4-R7-R5- R6).
  D. Router R6 to router R3 will follow (R6-R5-R7-R4-R3). Router R3 to router R6 will follow (R3-R4-R7-R5- R6).
  C. Router R6 to router R3 will follow (R6-R5-R2-R3). Router R3 to router R6 will follow (R3- R4-R7-R5- R6).

• Question 23:

  What are the types of networks supported on an Alcatel-Lucent 7750 SR for OSPF? (Choose 2)

  A. Broadcast
  B. Non-Broadcast Multi-Access
  C. Point-to-Point
  D. Point-to-Multipoint
  A. Broadcast
  C. Point-to-Point

• Question 24:

  Which of the following regarding IS-IS DIS is FALSE?

  A. L1 and L2 routers elect separate DIS's.
  B. DIS uses a specific Ethernet multicast address to communicate with other routers on the broadcast network.
  C. If a new router starts up in a LAN and has a higher interface priority, the new router preempts the original DIS and becomes the DIS.
  D. In broadcast multi-access networks, such as Ethernet, one router is elected as the DIS and a second router as the backup DIS.
  D. In broadcast multi-access networks, such as Ethernet, one router is elected as the DIS and a second router as the backup DIS.

• Question 25:

  Which part of the NSAP address is used to indicate to the end system that a packet is to be processed by the router itself?

  A. AFI
  B. IDI
  C. HO-DSP
  D. NSEL
  D. NSEL

• Question 26:

  In IS-IS database synchronization, each router compares each LSP described in the received CSNPs with the LSPs in its own database. Which of the following actions is taken if the database contains a newer copy of the LSP?

  A. The router sends a copy of the LSP from its database to its neighbor
  B. The router sends a PSNP to its neighbor describing the LSP in its database.
  C. The router updates its database with the LSP and floods a copy to its other neighbors.
  D. The router sends a PSNP to its neighbor to request the LSP.
  A. The router sends a copy of the LSP from its database to its neighbor

• Question 27:

  Click on the exhibit.

  

  All ports in the network are operationally up and have a speed of 1Gbps. Which of the following is TRUE?

  A. Data traffic from network 192.168.1.0/24 to 192.168.3.0/24 will be forwarded through router R2.
  B. Data traffic from network 192.168 3.0/24 to 192.168.1.0/24 will be forwarded from router R3 directly to router R1.
  C. The system interface of routers R1 and R3 must be included into OSPF for traffic to flow between the 192.168.1.0/24 and 192.168.3.0/24 networks.
  D. The OSPF adjacency between router R1 and router R3 is operationally up.
  D. The OSPF adjacency between router R1 and router R3 is operationally up.

• Question 28:

  Click on the exhibit.

  

  Router R1 distributes its loopbacks into IS-IS and globally routed addresses are configured as shown.

  How many routes will router R4 have in its IPv6 route table?

  A. 1
  B. 2
  C. 3
  D. 4
  E. 6
  F. 7
  C. 3

• Question 29:

  When IS-IS elects a DIS, what is used as the tie breaker on an Alcatel-Lucent 7750 SR, if the priorities are the same?

  A. The system ID.
  B. The loopback address.
  C. The sequence number of the Hello packet.
  D. The device that first initiated communication becomes the DIS
  E. The highest interface MAC address.
  E. The highest interface MAC address.

• Question 30:

  Click on the exhibit.

  

  OSPF router R2 has both point-to-point and broadcast interfaces and it is not a DR for any interfaces. Router R2 detects the link failure between itself and router R1. Which of the following is correct?

  A. Router R2 sends an update to 224.0.0.5 on its broadcast and point-to-point interfaces. The DR does not send any updates.
  B. Router R2 sends an update to 244.0.0.5 on its point-to-point interfaces. The DR sends an update to 224.0.0.6 on the broadcast network.
  C. Router R2 sends an update to 224.0.0.5 out its point-to-point interfaces and an update to 224.0.0.6 out its broadcast interface. The DR sends updates to 224.0.0.5 on the broadcast network.
  D. Router R2 sends an update to 224.0.0.6 out its point-to-point interfaces and an update to 224.0.0.5 out its broadcast interface. The DR sends an update to 224.0.0.6 on the broadcast networks.
  C. Router R2 sends an update to 224.0.0.5 out its point-to-point interfaces and an update to 224.0.0.6 out its broadcast interface. The DR sends updates to 224.0.0.5 on the broadcast network.