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UM0-100 · Question #8

Refer to the exhibit. Given that class A realizes interfaces X and Y, and that class B realizes interface Y and uses interface Z, what operations must class A support?

The correct answer is A. union of the operations in interfaces X and Y. See the full explanation below for the reasoning.

Question

Refer to the exhibit. Given that class A realizes interfaces X and Y, and that class B realizes interface Y and uses interface Z, what operations must class A support?

Exhibit

UM0-100 question #8 exhibit

Options

  • Aunion of the operations in interfaces X and Y
  • Bunion of the operations in interfaces X, Y, and Z
  • Cintersection of the operations in interfaces X and Y
  • Dintersection of the operations in interfaces X, Y, and Z
  • Enot required to support any operations specified by the interfaces shown

How the community answered

(16 responses)
  • A
    75% (12)
  • B
    6% (1)
  • C
    6% (1)
  • E
    13% (2)

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