IBPS RRB IT Officer Practice Questions - IBPS RRB IT Officer Scale II Specialist Officer Exam - IBPS RRB IT Officer Practice Questions - IBPS RRB IT Officer Scale II Specialist Officer Exam

Question 1

A relation R(A, B, C, D, E) is defined with the functional dependencies F = {A -> B, BC -> D, D -> A, D -> E}. Determine the highest normal form of relation R.

1NF 2NF 3NF BCNF

Correct Answer:

1NF

Question 2

A relation R(A, B, C, D) has candidate key A. The functional dependency A -> B, B -> C, and C -> D exist. Which of the following normal form violations and properties apply?

The relation is in 2NF but violates 3NF due to transitive dependency The relation is in 3NF but violates BCNF The relation violates 2NF due to partial dependency The relation is in BCNF

Correct Answer:

The relation is in 2NF but violates 3NF due to transitive dependency

Question 3

Which of the following relational algebra expressions represents the division operation (R ÷ S) where R has schema (A, B) and S has schema (B)?

π_A(R) - π_A((π_A(R) × S) - R) π_A(R) - π_A(R × S) π_A(R) ∩ π_B(S) π_A(R - S)

Correct Answer:

π_A(R) - π_A((π_A(R) × S) - R)

Question 4

Consider a schedule S with transactions T1 and T2: S = r1(X); r2(Y); w1(X); r1(Y); w2(Y); w1(Y). Which of the following is true about S?

S is conflict serializable S is not conflict serializable S contains a write-write conflict but is view serializable S is conflict-free

Correct Answer:

S is not conflict serializable

Question 5

Under the Strict Two-Phase Locking (Strict 2PL) protocol, which of the following rules must be followed by a transaction?

It must release all locks only at the end of the transaction It must release all exclusive (write) locks only after the transaction commits or aborts It must acquire all locks before releasing any locks, and release shared locks after commit It must release shared locks before acquiring exclusive locks

Correct Answer:

It must release all exclusive (write) locks only after the transaction commits or aborts

Question 1

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Prepare with the IBPS RRB IT Officer Practice Questions - IBPS RRB IT Officer Scale II Specialist Officer Exam practice quiz. This question bank includes 100 questions covering block, tree, size, mutex, and processes. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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IBPS RRB IT Officer Practice Questions - IBPS RRB IT Officer Scale II Specialist Officer Exam

This practice set contains 100 questions from the matching question bank and focuses on block, tree, size, mutex, and processes. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

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IBPS RRB IT Officer Practice Questions - IBPS RRB IT Officer Scale II Specialist Officer Exam

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