Download CPA - C++ Certified Associate Programmer.CPA-21-02.VCEplus.2023-12-22.64q.vcex

Vendor: C++ Institute
Exam Code: CPA-21-02
Exam Name: CPA - C++ Certified Associate Programmer
Date: Dec 22, 2023
File Size: 355 KB

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Demo Questions

Question 1
What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
int main()
{ int i
=
0;
i++;
goto lab;
i++;
lab:
cout<<i;
return 0;
}
  1. It prints: 0
  2. It prints: 34
  3. It prints: 1
  4. It prints: 3
Correct answer: C
Question 2
What is the output of the program?
#include <iostream>
#include <string>
using namespace std;
int main()
{
char str[] = 'Hello\0\World\0';
cout << str;
return 0;
}
  1. It prints: Hello
  2. It prints: World
  3. It prints: HW
  4. It prints: World\0World
Correct answer: A
Question 3
If there is one, point out an error in the program
#include <iostream>
using namespace std;
int main()
{ int c = 'a';
switch(i)
{
case '2':
cout<<'OK';
case '1':
cout<<'Error';
default:
break;
}
return 0;
}
  1. No Error
  2. Use of undeclared identifier 'i'
  3. Illegal use of 'continue'
  4. Illegal use of 'break'
Correct answer: B
Question 4
What happens when you attempt to compile and run the following code?
#include <iostream>
#include <string>
using namespace std;
class A {
int x;
protected:
int y;
public:
int z;
A() { x=1; y=2; z=3; }
};
class B : public A {
string z;
public:
void set() { y = 4; z = 'John'; }
void Print() { cout << y << A::z; }
};
int main () {
B b;
b.set();
b.Print();
return 0;
}
  1. It prints: 4John
  2. It prints: 2John
  3. It prints: 23
  4. It prints: 43
Correct answer: D
Question 5
Which code, inserted at line 10, generate the output '50'?
#include <iostream>
using namespace std;
class Base {
int age;
public:
Base () {
age=5;
};
//insert code here
void Print() { cout << age;}
};
void setAge(Base &ob) {ob.age = 0;}
int main () {
Base a;
a.Print();
setAge(a);
a.Print();
return 0;
}
  1. friend void setAge(Base ob);
  2. friend void setAge(Base *ob);
  3. friend void setAge(Base &ob);
  4. None of these
Correct answer: C
Question 6
What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
class First
{
public:
First() { cout << 'Constructor';}
void Print(){ cout<<'from First';}
};
int main()
{
First FirstObject;
FirstObject.Print();
}
  1. It prints: Constructorfrom First
  2. It prints: Constructor
  3. It prints: from First
  4. None of these
Correct answer: A
Question 7
What happens when you attempt to compile and run the following code?
#include <iostream>
#include <string>
using namespace std;
void fun(int i);
int main()
{ int i=0;
i++;
for (i=0; i<=5; i++)
{ fun(i);
}
return 0;
}
void fun(int i)
{ if (
i==3)
return;
cout << i;
}
  1. It prints: 05
  2. It prints: 012345
  3. It prints: 01245
  4. It prints: 0
Correct answer: C
Question 8
What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
int main()
{ int i = 5;
do {
i??;
cout<<i;
}
while(i >= 0);
return 0;
}
  1. It prints: 43210?1
  2. It prints: ?1
  3. It prints: 4321
  4. It prints: 1
Correct answer: A
Question 9
What will happen when you attempt to compile and run the following code?
#include <iostream>
#include <string>
using namespace std;
string fun(string, string);
int main()
{
string s='Hello';
cout << fun(s, ' World');
return 0;
}
string fun(string s1, string s2)
{
return s1+s2;
}
  1. It will print: Hello World
  2. It will print: Hello
  3. It will print: World
  4. It will print: HW
Correct answer: A
Question 10
What is not inherited from the base class?
  1. constructor
  2. destructor
  3. operator=()
  4. operator+()
Correct answer: ABC
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