4A0-C01 exam

(Topic 1) Click the exhibit button. In the IS-IS network shown, router R1 has been configured to summarize network 20.20.1.0/24 and 20.20.2.0/24 as 20.20.0.0/16. Which router's routing table will be reduced compared to the routing table before the summarization?A . Router R1B . Router R2C . Routers R1 and R2D...

(Topic 1) What causes an adjacency to change from "Init" to "Two Way"?A . When a Link State Update is received in response to a Link State RequestB . When a router receives a Hello packet from a neighbor that contains its router id in the neighbor listC . When...

(Topic 1) Click the exhibit button. Assuming point-to-point links, which of the following statements is true? A . Routers R1 and R2 are L2 routers. Routers R3 and R4 are L1/L2 routersB . Routers R1, R2, and R4 are L1/L2 routers. Router R3 is an L1 router,C . Routers R1,...

168.3.1 is a loopback interface on router R2 and is distributed to OSPF area 0, but the ping fails from router R3. Which of the following is a possible solution to the problem?A . Add the "originate-default-route" option in the NSSA area configuration on router R3B . Add the "summaries"...

(Topic 1) Click the exhibit button. In the topology shown, router R1 is an ASBR configured to export external routes to OSPF. Assuming that there are no stub networks, which of the following statements regarding type 4 LSA generation is true?A . Router R1 generates a type 4 LSA that...

(Topic 1) What command will show the IS-IS neighbors, and their status on an Alcatel-Lucent 7750 SR?A . Show isis neighborsB . Show router isis neighborsC . Show router isis adjacencyD . Show isis adjacencyView AnswerAnswer: C

(Topic 1) Refer to the exhibit below. IS-IS IPv6 routing is configured in the network with globally routed addresses as shown. How many routes will R4 have in its IPv6 route table? A . 1B . 2C . 3D . 4E . 6F . 7View AnswerAnswer: B

(Topic 1) What must be configured on the Alcatel-Lucent 7750 SR for RIP to advertise locally attached links?A . A policy statement within the router identifying what is to be advertisedB . Access-lists denoting what is to be advertisedC . Default metrics for each linkD . A group and neighbor...

(Topic 1) What are the three databases maintained by a Link State Protocol?A . Neighbor, adjacency, route tableB . Neighbor, topology, forwardingC . Topology, routing, forwardingD . There are only two databases: adjacency and topologyView AnswerAnswer: B

(Topic 1) A router is configured with the command "configure router ecmp 4". There are two best paths to a given destination with an equal cost in the IGP. Which of the following best describes the handling of traffic to this destination?A . The router installs two routes for the...