W11: CP06 Assessment (ITNW1413)
Quiz by Bryan N. Manalaotao
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10 questions
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- Q1Scenario: AAA is configuring OSPF on Router A and needs to assign it to Area 0. She configures the following: R1(config)# router ospf 1 R1(config-router)# network 10.1.1.0 0.0.0.255 area 0 AAA asks BBB for help, but BBB notices that the router's interfaces connected to the 172.16.0.0/16 network are not included in the OSPF configuration. Question: What command should AAA add to ensure that OSPF covers the 172.16.0.0/16 network?R1(config-router)# network 172.16.0.0 0.0.0.0 area 0R1(config-router)# network 172.16.0.0 0.0.0.255 area 0R1(config-router)# network 172.16.0.0 255.255.0.0 area 0R1(config-router)# network 172.16.0.0 0.0.255.255 area 060s
- Q2Scenario: Just like in Taylor Swift's song "All Too Well", where she sings "Maybe we got lost in translation, maybe I asked for too much," sometimes routers in a network can get "lost" and fail to form OSPF neighbor relationships. BBB is feeling the same kind of frustration when her OSPF routers aren’t forming an adjacency. Question: What could be causing BBB's routers to feel "lost in translation" and fail to form an OSPF neighbor adjacency?Matched Hello and Dead timersMatched subnet masksIncorrect access listsMismatched area ID60s
- Q3Scenario: CCC has just completed the OSPF configuration on Router C and wants to ensure that the configuration is correct. AAA suggests using the show ip protocols and show ip ospf neighbor commands. Question: What information will CCC find using these commands, and why are they important for verifying OSPF?The status of all physical and virtual interfaces; to verify interface connectivity.A summary of all routes learned via EIGRP; to troubleshoot connectivity issues.OSPF process ID, networks being advertised, and routing information; to verify that OSPF is correctly configured.A list of MAC addresses assigned to each switch interface; to check if interfaces are correctly configured.60s
- Q4Scenario: AAA is setting up OSPF for Router A, and she needs to configure it to include the network 192.168.1.0/24. BBB notices that AAA is unsure about the correct wildcard mask. Question: What wildcard mask should AAA use for the network 192.168.1.0/24, and why?255.255.0.0 because it is a class C network.0.0.0.255 because the wildcard mask is the inverse of the subnet mask.255.255.255.0 because it's a /24 subnet mask.0.0.255.255 because it is a class B network.60s
- Q5What is checked during OSPF network discovery to establish neighbors?OSPF areaAll of the aboveHELLO and DEAD timersSubnet mask40s
- Q6How is the best path selected in OSPF?Random selectionLongest path firstShortest path first (Dijkstra algorithm)Round-robin selection40s
- Q7What is the purpose of a Wildcard Mask in OSPF?To configure OSPF areasTo prevent OSPF network discoveryTo hide the router's identityTo indicate which part of the IP address will be examined40s
- Q8How is a Wildcard Mask related to a Subnet Mask in OSPF?Wildcard Mask is not used in OSPFSubnet Mask is not used in OSPFWildcard Mask is the inverted of Subnet MaskThey are the same thing40s
- Q9How should you configure OSPF for a directly connected network?Use the "ip ospf" commandUse the "network" statement in OSPF configurationUse the "ospf network" commandUse the "configure ospf" command40s
- Q10Does the Process ID number need to match on all routers in the OSPF network?NoYesOnly for backbone routersOnly in specific areas40s