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Exam Code: 200-155
Exam Name: Introducing Cisco Data Center Technologies
Q&As: 85
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QUESTION NO: 66
What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
int main(){
int i, j;
for(i = 0, j = 1; j < 2, i < 4; i++, j++);
cout << i << ” ” << j;
return 0;
}
A. It prints: 4 5
B. It prints: 2 3
C. It prints: 3 2
D. It prints: 4 3
200-155 exam Answer: A
QUESTION NO: 67
What happens when you attempt to compile and run the following code?
#include <iostream>
#include <cstdarg>
using namespace std;
int mult(int f, int s, int t);
int main()
{
cout << mult(1,2,3);
return 0;
}
int mult(int f, int s, int t)
{
int mult_res;
mult_res = f*s*t;
return mult_res;
}
A. It prints: 0
B. It prints: 6
C. It prints: 2
D. It prints: 3
Answer: B
QUESTION NO: 68
Which code, inserted at line 5, generates the output “ABC”?
#include <iostream>
using namespace std;
class A {
public:
//insert code here
};
class B:public A {
public:
void Print(){ cout<< “B”; }
};
class C:public B {
public:
void Print(){ cout<< “C”; }
};
C++ Institute CPA Exam
int main()
{
A ob1;
B ob2;
C ob3;
A *obj;
obj = &ob1;
obj?>Print();
obj = &ob2;
obj?>Print();
obj = &ob3;
obj?>Print();
}
A. void Print(){ cout<<“A”;}
B. virtual void Print(){ cout<<“A”;}
C. virtual void Print(string s){ cout<<s;}
D. None of these
200-155 dumps Answer: B
QUESTION NO: 69
What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
class BaseClass
{
public:
int *ptr;
BaseClass(int i) { ptr = new int(i); }
~BaseClass() { delete ptr; delete ptr;}
void Print() { cout << *ptr; }
};
void fun(BaseClass x);
int main()
{
BaseClass o(10);
fun(o);
o.Print();
}
void fun(BaseClass x) {
cout << “Hello:”;
}
A. It prints: Hello:1
B. It prints: Hello:
C. It prints: 10
D. Runtime error.
Answer: D
QUESTION NO: 70
What will happen when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
int getValue();
int main()
{
const int x = getValue();
cout<<x;
return 0;
}
int getValue()
{
return 5;
}
A. It will print 0
B. The code will not compile.
C. It will print 5
D. It will print garbage value
200-155 pdf Answer: C
QUESTION NO: 71
What happens when you attempt to compile and run the following code?
#include <iostream>
#include <string>
using namespace std;
class A {
public:
A() { cout << “A0 “;}
A(string s) { cout << “A1”;}
};
class B : public A {
public:
B() { cout << “B0 “;}
B(string s) { cout << “B1 “;}
};
class C : private B {
public:
C() { cout << “C0 “;}
C(string s) { cout << “C1 “;}
};
int main () {
B b1;
C c1;
return 0;
}
A. It prints: A0 B0 A0 B1 A0 C0 A0 C1
B. It prints: B0 B1 C0 C1
C. It prints: A0 B0 A0 B0 C0
D. It prints: B0 B1
Answer: C
QUESTION NO: 72
What is the output of the program?
#include <iostream>
#include <string>
using namespace std;
struct Person {
int age;
};
class First
{
Person *person;
public:
First() {person = new Person;
person?>age = 20;
}
void Print(){
cout << person?>age;
}
};
int main()
{
First t[2];
for (int i=0; i<2; i++)
t[i].Print();
}
A. It prints: 10
B. It prints: 2020
C. It prints: 22
D. It prints: 00
200-155 vce Answer: B
QUESTION NO: 73
What happens when you attempt to compile and run the following code?
#include <cstdlib>
#include <iostream>
using namespace std;
inline float sum(float a,float b)
{
return a+b;
}
int main()
{
float a,b;
a = 1.5; b = 3.4;
cout<<sum(a,b);
return 0;
}
A. It prints: 0
B. It prints: 4.9
C. It prints: 5
D. It prints: 4
Answer: B
QUESTION NO: 74
What is the output of the program?
#include <iostream>
#include <string>
using namespace std;
int main()
{
string s1=”Hello”;
string s2=”World”;
s1+=s2;
cout << s1;
return( 0 );
}
A. It prints: HelloWorld
B. It prints: Hello
C. It prints: World
D. It prints: HelWorld
200-155 exam Answer: A
QUESTION NO: 75
What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
#define DEF_A 0
#define DEF_B DEF_A+1
#define DEF_C DEF_B+1
int main(int argc, char *argv[]) {
cout << DEF_C;
return 0;
}
A. It prints: 2
B. It prints: 10
C. It prints: 0
D. It prints: 1
Answer: A
QUESTION NO: 76
What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
void set(struct person*);
struct person
{
int age;
};
int main()
{
struct person e = {18};
set(&e);
cout<< e.age;
return 0;
}
void set(struct person *p)
{
p?>age = p?>age + 1;
}
A. It prints: 18
B. It prints: 19
C. It prints: 20
D. It prints: 0
200-155 dumps Answer: B
QUESTION NO: 77
Point out an error in the program.
#include <iostream>
using namespace std;
int main()
{
const int x=1;
int const *y=&x;
cout<<*y;
return 0;
}
A. No error
B. Error: unknown pointer conversion
C. cannot convert from ‘const int *’ to ‘int *const’
D. Compilation error
Answer: A
QUESTION NO: 78
What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
int main()
{
int i=2;
switch(i)
{
case 1:
cout<<“Hello”;
case 2:
cout<<“world”;
case 3:
cout<<“End”;
} return 0;
}
A. It prints: Hello
B. It prints: world
C. It prints: worldEnd
D. It prints: End
200-155 pdf Answer: C
QUESTION NO: 79
What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
class complex{
double re;
double im;
public:
complex() : re(0),im(0) {}
complex(double x) { re=x,im=x;};
complex(double x,double y) { re=x,im=y;}
void print() { cout << re << ” ” << im;}
};
int main(){
complex c1;
double i=2;
c1 = i;
c1.print();
return 0;
}
A. It prints: 0 0
B. It prints: 1 1
C. It prints: 2 0
D. It prints: 2 2
Answer: D
QUESTION NO: 80
What happens when you attempt to compile and run the following code?
#include <iostream>
#include <string>
using namespace std;
int f(int i, int b);
int main()
{
int i=0;
i++;
for (i=0; i<=2; i++)
{
cout<<f(0,i);
}
return 0;
}
int f(int a, int b)
{
return a+b;
}
A. It prints: 202020
B. It prints: 012
C. It prints: 0
D. It prints: 2
200-155 vce Answer: B
QUESTION NO: 81
What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
class Test {
float i,j;
};
class Add {
public:
int x,y;
Add (int a=3, int b=3) { x=a; y=b; }
int result() { return x+y;}
};
int main () {
Test test;
Add * padd;
padd = &test;
cout << padd?>result();
return 0;
}
A. It prints: 6
B. It prints: 9
C. Compilation error
D. It prints: 33
Answer: C
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