WorksheetsENSA Module 1/2 -- Final Exam Prep, OSPF ENSA
Total questions: 20
Worksheet time: 13mins
Which database corresponds with the Neighbor Table?
Adjacency Database
Link-state Database
Forwarding Database
IP Database
Which database corresponds with the Topology Table?
Adjacency Database
Link-state Database
Forwarding Database
IP Database
Which database corresponds with the Routing Table?
Adjacency Database
Link-state Database
Forwarding Database
IP Database
What command do you need to use to view the Topology Table?
show ip route
show ip ospf neighbor
show ip ospf database
show ip ospf
What is the order of the OSPF States?
Down, (a) , (b) , (c) , (d) , (e) , Full
Which descriptions matches the Init State?
the link-state database of the router is fully synchronized.
router with the highest router ID will initiate the DBD (Database Description) exchange.
Hello packets are sent/received to establish neighbor adjacencies.
elect a DR and BDR
routers exchange DBD packets (DBD is an abbreviated list of the LSDB sent by a neighboring router and is used by receiving routers to check against the local LSDB)
Which descriptions matches the ExStart State?
the link-state database of the router is fully synchronized.
router with the highest router ID will initiate the DBD (Database Description) exchange.
Hello packets are sent/received to establish neighbor adjacencies.
elect a DR and BDR
routers exchange DBD packets (DBD is an abbreviated list of the LSDB sent by a neighboring router and is used by receiving routers to check against the local LSDB)
Which descriptions matches the Two-Way State?
the link-state database of the router is fully synchronized.
router with the highest router ID will initiate the DBD (Database Description) exchange.
Hello packets are sent/received to establish neighbor adjacencies.
elect a DR and BDR
routers exchange DBD packets (DBD is an abbreviated list of the LSDB sent by a neighboring router and is used by receiving routers to check against the local LSDB)
Which descriptions matches the Loading State?
LSRs and LSUs are used to get route information from neighbors and SPF calculations occur.
router with the highest router ID will initiate the DBD (Database Description) exchange.
Hello packets are sent/received to establish neighbor adjacencies.
elect a DR and BDR
routers exchange DBD packets (DBD is an abbreviated list of the LSDB sent by a neighboring router and is used by receiving routers to check against the local LSDB)
Which descriptions matches the Exchange State?
LSRs and LSUs are used to get route information from neighbors and SPF calculations occur.
router with the highest router ID will initiate the DBD (Database Description) exchange.
Hello packets are sent/received to establish neighbor adjacencies.
elect a DR and BDR
routers exchange DBD packets (DBD is an abbreviated list of the LSDB sent by a neighboring router and is used by receiving routers to check against the local LSDB)
What is the wildcard mask of a 255.255.255.224 subnet
(a)
Where do you need to put the passive interfaces
Towards the computer
On the loopback
Towards another router in the same OSPF area
Towards a switch
Towards the ISP
Which show command shows what is inside of a interface for OSPF
show ip ospf interface g0/0
show ip interface brief
show interfaces
show ip route
What is the order for the OSPF elections process (1st choice to last choice)
(a) , (b) , (c) , (d)
What is the cost for a default route using Gigabit ethernet
1
10
64
5
What is the cost for a default route using 1,544kbps or 1.544mbps
1
10
64
5
What is the cost for a default route using 10 Mbps
1
10
64
5
What is the default timer for the hello packets for OSPF
10
40
5
15
What is the default timer for the dead interval for OSPF
10
40
5
15
What ipv4 address do hello packets get reserved to?
224.0.0.5
192.168.10.1
127.0.0.1
224.0.1.0
