4A0-101 Online Practice Questions and Answers

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 areas.

B. Router R1 generates a type 7 LSA that is flooded through all OSPF areas.

C. Router R1 generates a type 5 LSA that is flooded through area 1. Router R2 generates a type 7 LSA that is flooded through areas 0 and 2.

D. Router R1 generates a type 7 LSA that is flooded through area 1. Router R3 generates a type 5 LSA that is flooded through areas 0 and 2.

What command could be used to verify proper configuration of a static route in an Alcatel- Lucent 7750 SR router?

A. Show route-table

B. Show router routing-table

C. Show router route-table

D. Show static

What type of OSPF router generates a type 2 LSA?

A. Area Border Router

B. Autonomous System Boundary Router

C. Designated Router

D. All routers within an OSPF area.

Exhibit Given the two configurations shown, identify the two incorrect statements below: (Choose two)

A. Both routers will generate OSPF Hello packets.

B. The system interface is missing in one configuration so OSPF will not operate correctly.

C. The interface type settings differ, but OSPF will still operate correctly.

D. Metric values differ, but this does not prevent OSPF operation.

What is wrong with the following filter configuration from an Alcatel-Lucent 7750 SR?

RTR-B# configure filter RTR-B>config>filter# ip-filter 1 create RTR-B>config>filter>ip-filter$ entry 1 create RTR-B>config>filter>ip-filter>entry$ match src-ip 172.2.0.0/16 RTR-B>config>filter>ip-filter>entry# action drop RTR-B# configure router interface toRTR-A RTR-B>config>router>if# egress RTR-B>config>router>if>egress# filter ip 1

A. There is nothing wrong with this filter

B. The filter should be applied to the ingress and not the egress.

C. The mask cannot be a "/" value, it must be in dotted decimal.

D. All traffic is being blocked

A router sets the E bit in the flags of its Type 1 LSA. What does this indicate?

A. The router is an ABR.

B. The router is an ASBR.

C. The router is at the end of a virtual link.

D. The router's interface is in a stub area.

Which component of the Alcatel-Lucent 7750 SR is in charge of performing the longest prefix match lookup on packets that arrive on the physical interfaces?

A. CPM

B. MDA

C. Switch Fabric

D. IOM

Click on the exhibit.

What type of OSPFv3 LSA is shown?

A. Router LSA

B. Network LSA

C. Intra-Area Prefix LSA

D. Link LSA

In OSPFv3, which of the following LSA types carries prefixes and is only flooded in the area where it is generated?

A. Link

B. AS External

C. Router

D. Intra-Area Prefix

Click on the exhibit.

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 5 LSA generation is TRUE?

A. Router R1 generates a Type 5 LSA that is flooded to area 1 only.

B. Router R1 generates a Type 5 LSA that is flooded to areas 1 and 0. Router R6 generates a Type 5 LSA that is flooded to area 2.

C. Router R1 generates a Type 5 LSA that is flooded to areas 0.1, and 2.

D. Router R3 generates a Type 5 LSA that is flooded to areas 0 and 2

E. Type 5 LSAs are not generated in this network topology.