Nokia 4A0-101 Online Practice Questions and Exam Preparation

Nokia 4A0-101 Online Questions & Answers

• Question 171:

  Which of the following statements regarding distance vectors protocols are true? (Choose two answers).

  A. RIPv1, RIPv2, and BGP are distance vector protocols.
  B. OSPF and IS-IS are distance vector protocols.
  C. Routing tables are exchanged between neighbors; however, no routing table is transmitted beyond the immediate neighbor.
  D. Distance vector protocols use the Dijkstra SPF algorithm.
  E. Routers that participate in distance vector routing protocols maintain full knowledge of distant routers and how they interconnect
  A. RIPv1, RIPv2, and BGP are distance vector protocols.
  C. Routing tables are exchanged between neighbors; however, no routing table is transmitted beyond the immediate neighbor.

• Question 172:

  Why does IPv6 not use ARP?

  A. The ARP functionality has been replaced by the Neighbor Discovery protocol.
  B. The ARP functionality is not needed due to the increased IPv6 address space.
  C. ICMPv6 reduced its role to connectivity checking and auto-configuration only.
  D. ICMFV6 replaced the ARP functionality with Multicast Listener Discovery (MLD).
  A. The ARP functionality has been replaced by the Neighbor Discovery protocol.

• Question 173:

  Click on the exhibit.

  

  Examine the physical topology of the IS-IS network, the metrics of the links and the levels of the routers. All routers have a system address included in IS-IS. Which of the following describes the route that router R4 will use to reach the system address of router R6?

  A. Router R4 will have a route to router R6's system address with router R2 as the next-hop.
  B. Router R4 will have a default route with router R2 as the next-hop.
  C. Router R4 will have a default route with router R3 as the next-hop.
  D. Router R4 will not have a route that can be used to reach the system address of router R6.
  D. Router R4 will not have a route that can be used to reach the system address of router R6.

• Question 174:

  What command is used on the Alcatel-Lucent 7750 SR to define the default action to be taken if a packet does not match any entry in an IP filter?

  A. config>filter# default-action XXX
  B. config>filter>ip-filter# default-action XXX
  C. config>filter# default-mode XXX
  D. config>filter>ip-filter# default-mode XXX
  B. config>filter>ip-filter# default-action XXX

• Question 175:

  An OSPF router receives an update in which the sequence number, age, and checksum are the same as the entry already in the topological database. What action does the router take?

  A. The link-state information is not populated in the database, but is forwarded to all neighbors.
  B. The link-state information already in the database is overwritten and the age is reset.
  C. The link-state information is not populated in the database and an acknowledgement is sent.
  D. The link-state information is regarded as old and nothing is done.
  E. A link-state request is performed to increase the sequence number.
  C. The link-state information is not populated in the database and an acknowledgement is sent.

• Question 176:

  What is the replacement for ARP in IPv6?

  A. The use of Broadcast messages in combination with Neighbor Advertisement messages.
  B. The use of Anycast addresses in combination with Neighbor Advertisement messages.
  C. The use of Solicited-node multicast addresses in combination with Neighbor Advertisement messages.
  D. The use of Anycast addresses in combination with Link-Local Advertisement messages.
  C. The use of Solicited-node multicast addresses in combination with Neighbor Advertisement messages.

• Question 177:

  On which type of IS-IS router is summarization most likely to be configured?

  A. L1 routers
  B. L2 routers
  C. L1/L2 routers
  D. L1 and L2 routers
  C. L1/L2 routers

• Question 178:

  When an OSPF adjacency is stuck in the "ExchStart" state, what is the most likely cause?

  A. The MTU does not match on both interfaces
  B. OSPF is not enabled on one of the routers
  C. The Router ID is the same on both routers
  D. A OSPF Hello has not been received from the neighbor
  A. The MTU does not match on both interfaces

• Question 179:

  Click the exhibit button.

  

  If router R2 redistributes the IS-IS route to 192.168.3.0/24 into OSPF, router R3 will receive two routes to 192.168.3.0/24. What will be the preference of these two routes? Assume that all IS-IS routers are L1/L2 capable and are in the same area. Choose two answers.

  A. The OSPF internal preference
  B. The IS-IS Level 1 internal preference
  C. The IS-IS Level 2 internal preference
  D. The OSPF external preference
  E. The IS-IS Level 2 external preference
  F. The IS-IS Level 1 external preference
  B. The IS-IS Level 1 internal preference
  D. The OSPF external preference

• Question 180:

  An Alcatel-Lucent 7750 SR is configured with an export policy to redistribute a loopback prefix into OSPFv3. What type of LSA advertises the prefix to the other OSPFv3 routers in the same area?

  A. Router LSA
  B. AS External LSA
  C. Intra-Area Prefix LSA
  D. Inter-Area Prefix LSA
  E. Network LSA
  B. AS External LSA