1. The spread you use if you expected a very large price move of the underlying, but were unsure of the direction is a:

Bull call spread

Butterfly

Calendar Spread

Iron Condor

Straddle

2. The spread you use if you expected the underlying to move in a relatively tight range is a:

Bull call spread

Butterfly

Straddle

Calendar Spread

Iron Condor

3. This spread creates an immediate but set profit with exposure equal to the amount of spread minus premium:

Bull diagonal spread

Bear put spread

Bull put spread

Short straddle

None of these.

4. This spread exploits the differential in theta between two options:

Lon straddle

Short butterfly

Calendar spread

Iron Condor

Call diagonal spread