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Zorluk: OrtaIdentifying Must-Be-True Statements and Valid Deductions

In a corporate compliance framework, any employee who receives level-3 data access authorization must first complete an advanced cybersecurity certification and obtain written clearance from the chief security officer. Furthermore, no employee is granted written clearance from the chief security officer unless that employee has passed a background check within the preceding two years. Employee V did not pass a background check within the preceding two years.

If the statements above are true, which of the following must also be true regarding Employee V?

  1. Employee V does not possess level-3 data access authorization.Cevap
  2. B
    Employee V has completed the advanced cybersecurity certification but failed the chief security officer's review.
  3. C
    Passing a background check guarantees that an employee will receive written clearance from the chief security officer.
  4. D
    If Employee V completes the advanced cybersecurity certification, Employee V will become eligible for level-3 data access authorization.
  5. E
    Any employee who has obtained written clearance from the chief security officer has also completed the advanced cybersecurity certification.

Cevap

Employee V does not possess level-3 data access authorization.
The correct option is derived via a valid contrapositive chain. The passage dictates that Level-3 Access requires CSO Clearance, which in turn requires a recent background check. Since Employee V lacks a recent background check, Employee V cannot have obtained CSO Clearance and consequently cannot hold Level-3 Access authorization.

Adım Adım Çözüm

1
Identify the formal conditional relationships in the premises.
Premise 1: Level-3 Access → Advanced Certification AND CSO Clearance. Premise 2: CSO Clearance → Background Check (within 2 years).
Mapping conditional statements allows chaining requirements together.
2
Chain the conditional statements to establish necessary conditions for Level-3 Access.
Level-3 Access → CSO Clearance → Background Check (within 2 years). Therefore, Level-3 Access → Background Check (within 2 years).
If A requires B, and B requires C, then A cannot exist without C.
3
Apply the contrapositive rule using the factual premise about Employee V.
Fact: Employee V has NOT passed a background check within 2 years. Contrapositive: NO Background Check → NO CSO Clearance → NO Level-3 Access.
Negating the necessary condition forces the negation of all preceding sufficient conditions.

Anahtar Kavram

Conditional Logic & Contrapositive Deduction
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Konular

Identifying Must-Be-True Statements and Valid Deductions

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