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Que. Consider the following two phase locking protocol. Suppose a transaction T accesses (for read or write operations), a certain set of objects {O1,...,Ok}. This is done in the following manner: Step 1. T acquires exclusive locks to O1, . . . , Ok in increasing order of their addresses. Step 2. The required operations are performed. Step 3. All locks are released. This protocol will
a. guarantee serializability and deadlock-freedom
b. guarantee neither serializability nor deadlock-freedom
c. guarantee serializability but not deadlock-freedom
d. guarantee deadlock-freedom but not serializability
Answer:guarantee serializability and deadlock-freedom
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