4A0-C01 exam

(Topic 1) 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...

(Topic 1) In an OSPF Hello packet, which of the following fields must match for all neighbor routers on the segment? Choose three answers.A . Area ID WC . Hello and Dead intervals PE . Stub flagF . Checksum valuesG . The list of neighborsView AnswerAnswer: A,B,C

(Topic 1) Which of the following OSPFv3 LSAs have an AS scope?A . Link Local LSAB . Router LSAC . Network LSAD . Inter-Area Router LSAE . Intra-Area Prefix LSAF . None of the above LSAs have an AS scope.View AnswerAnswer: F

(Topic 1) Click the exhibit button. Router R2 advertises the network 192.168.3.0/24 to router R1 via RIP. How can router R1 ensure that it discards the route?A . Use an import policy and a prefix list on router R1 to reject this route.B . Use a prefix list on router...

(Topic 1) Which of the statements below best describes the pseudonode in an IS-IS network?A . The DIS creates a logical node to represent a group of routers on the same non-broadcast network; this node is the pseudonodeB . The DIS creates a logical node to represent the topological database...

(Topic 1) Which of the following types of network topologies are supported by IS-IS on the Alcatel-Lucent 7750 SR? Choose two answers.A . Non-broadcastB . BroadcastC . Point-to-multipointD . Point-to-pointView AnswerAnswer: B,D

(Topic 1) What acts as the tie breaker on an Alcatel-Lucent 7750 SR if the priorities are the same when IS-IS is electing a DIS?A . The system IDB . The loopback addressC . The sequence number of the hello packetD . The device that first initiated communication becomes the...

(Topic 1) What is the source IP address in an OSPF update?A . 224.0.0.5B . 224.0.0.6C . The unicast IP address of the interface the update is being sent on.D . The system address of the routerView AnswerAnswer: C

(Topic 1) Click the exhibit button The 192 168 3.0/24 network is learned on router R1 via IS-IS Given the OSPF configuration shown, and assuming that the OSPF adjacency between routers R1 and R3 is up, why is the 192 168.3.0/24 route not in router R3's route table? (Choose two)...

(Topic 1) Click the exhibit button. In the topology shown, router R1 is an ASBR configured to export external routes to OSPF. Which of the following statements regarding the OSPF LSAs in the network is true?A . Router R1 generates a type 5 LSA that is flooded through all OSPF...