Which statement is false?
a. The compiler always creates a default constructor for a class.
b. If a class’s constructors all require arguments and a program attempts to call a no-argument constructor to initialize an
object of the class, a compilation error occurs.
c. A constructor can be called with no arguments only if the class does not have any constructors or if the class has a
public no-argument constructor.
d. None of the above.
a. The compiler always creates a default constructor for a class.
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What security advantage occurs from a packet's containing the source NIC address and not just the destination NIC address?
What will be an ideal response?
Give examples of schedules that would be accepted at
a. SNAPSHOT isolation but not REPEATABLE READ. b. SERIALIZABLE but not SNAPSHOT isolation. (Hint: T2 performs a write after T1 has committed.)