Test: inflation-linked bonds and floating rate bonds

Is the following statement correct or incorrect?

The coupon rate of inflation linked bonds are variable 

How do inflation linked-bond holders benefit when inflation rises? (multiple answers are possible)

Which factors have a negative effect on the return of inflation-linked bonds? (multiple answers are possible)

Which sentence is true? (multiple answers are possible)

1. The interest rate on the FRN is tied to a benchmark such as the 10-years Treasury
2. The interest rate on the FRN is tied to the current interest in the market 
3. The interest rate on the FRN is tied to the inflation rate in the market

Make the sentence complete

The interest on a FRN bond is a ….. component

Why do investors that have floating rate bonds benefit from higher interest rates?