[&] When configuring an OSPF topology consisting of two-or-more Areas, one of those areas must be [\_\_\_\_\_\_\_\_] (**Select the best answer**)
- Area 5
- Area 100
- Area 10
- Area 1
- Area 0

[&] In order to serve as an ABR, an OSPF router must have links connecting it to at least \_\_\_\_\_\_ area(s), one of which must be \_\_\_\_\_\_ **(select the best answer)**.
- None of the above.
- one, Area-0
- three, Area-1
- two, Area-0
- two, Area-1

[&] OSPFv2 transmits most packets to which of the following IP addresses? (**Select the best answer**)
- 224.0.0.2
- 224.0.0.10
- 224.0.0.1
- 224.0.0.5
- 224.0.0.9

[&] OSPF packets sent to an OSPF Designated Router will be sent to the destination IP address of [\_\_\_\_\_\_\_\_]. (**Select the best answer**)
- 224.0.0.2
- 224.0.0.5
- 224.0.0.6
- 224.0.0.10
- 224.0.0.9

[&] OSPF constructs the SPF Tree by compiling and linking [\_\_\_\_\_\_\_\_] (**Select the best answer**)
- LSUs
- RUEs
- LSAs
- DBDs
- LSPs