CCNA 3 Test 1 Part 5

Which three OSPF states are involved when two routers are forming an adjacency?

-Init -Two-way -Down

An administrator is configuring single-area OSPF on a router. One of the networks that must be advertised is 64.102.0.0 255.255.255.128. What wildcard mask would the administrator use in the OSPF network statement?

0.0.0.127

An administrator is configuring single-area OSPF on a router. One of the networks that must be advertised is 128.107.0.0 255.255.255.192. What wildcard mask would the administrator use in the OSPF network statement?

0.0.0.63

Match each OSPF packet type to how it is used by a router

Hello Packet- Establish and maintain adjacencies Link-State Update Packet- Advertise new information Database Description Packet- Compare local topology to that sent by another router Link-State Request Packet- Query another router for additional information

An administrator is configuring single-area OSPF on a router. One of the networks that must be advertised is 192.168.181.0 255.255.254.0. What wildcard mask would the administrator use in the OSPF network statement?

0.0.1.255

An administrator is configuring single-area OSPF on a router. One of the networks that must be advertised is 128.107.0.0 255.255.252.0. What wildcard mask would the administrator use in the OSPF network statement?

0.0.3.255

An administrator is configuring single-area OSPF on a router. One of the networks that must be advertised is 198.19.0.0 255.255.252.0. What wildcard mask would the administrator use in the OSPF network statement?

0.0.3.255

Refer to the exhibit. Suppose that routers B, C, and D have a default priority, and router A has a priority 0. Which conclusion can be drawn from the DR/BDR election process?​

If the DR fails, the new DR will be router B

Which step in the link-state routing process is described by a router building a link-state database based on received LSAs?

building the topology table

Which command will a network engineer issue to verify the configured hello and dead timer intervals on a point-to-point WAN link between two routers that are running OSPFv2?

show ip ospf interface serial 0/0/0