A B⁺ - tree index is to be built on the Name attribute of the relation STUDENT. Assume that all student names are of length 8 bytes, disk blocks are of size 512 bytes, and index pointers are of size 4 bytes. Given this scenario, what would be the best choice of the degree (i.e. the number of pointers per node) of the B⁺ - tree?

The decimal value $$0.25$$

The $$2's$$ compliment representation of the decimal value $$-15$$ is

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