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galben [10]
3 years ago
13

What is the output of the following program? #include using namespace std; class TestClass { public: TestClass(int x) { cout &lt

;< x << endl; } TestClass() { cout << "Hello!" << endl; } }; int main() { TestClass test; return 0; }
Computers and Technology
1 answer:
Lunna [17]3 years ago
6 0

Answer:

The answer is "Hello!".

Explanation:

  • In the given C++ language program, a class "TestClass " is defined, which contains a parameterized constructor and default constructor.
  • In the parameterized constructor an integer variable "x" is passed in the constructor parameter and inside a constructor parameter value is print. Inside the default constructor, a print function (cout) is used that print message "Hello!".
  • In the main method, a class "TestClass" object is created that is "test" when a class object is created it automatically called a default constructor that's why the output to this code is "Hello!".

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Answer: A. passive attacks

Explanation:

Passive attack is a type of attack where by a system is tracked and scanned to determine how vulnerable it is and to also detect open port. The major purpose of a passive attack on a network is to gain access to the information of the target without altering the data.

A passive attack on a network may not be necessarily malicious, it is a type of network attack that is very difficult to detect.

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