Which of the following classes cannot be extended?
```
a. class A { }
b. class A { private A() { }}
c. final class A { }
d. class A { protected A() { }}
```
c. final class A { }
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Answer the following statements true (T) or false (F)
1. A struct variable is declared differently from a predefined type such as an int. 2. Two different structure definitions may have the same member names. 3. A structure can only be passed to a function as a call-by-value parameter 4. A function may return a structure. 5. Different class may not have member functions with the same name.
Which is not a typical application of queues?
a) Routing packets in a computer network b) File server handling file access requests from many clients c) High-speed sorting d) Print spooling
The __________ criterion states that output bits j and k should change independently when any single input bit i is inverted for all i, j and k.
Fill in the blank(s) with the appropriate word(s).
Which of the following encryption standards is part of the NSA's suite B cryptographic algorithms and is validated strong enough to protect classified data?
A. DES B. AES-256 C. Triple DES D. IDEA