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Commvault Placement Questions & Answers :: Commvault

32K

Tot. Mock Test: 1


Total Qs: 40+

NA
SHSTTON
151
Solv. Corr.
97
Solv. In. Corr.
248
Attempted
0 M:18 S
Avg. Time

1 / 40

What is output or the error in the program?
#include <stdio.h>

typedef int CommVault;
typedef CommVault CommVaultindia;

void main () {
CommVaultindia val= 234;
printf("%d ",  val);
}

ACompilation error: typedef cannot be outside a function scope

BCompilation error: undefined variable val

C234

DCompilation error: cannot typedef based on another typedef

Answer: Option C

Explanation:

Here is no explanation for this answer

Submit Your Solution

Tags: Commvault

NA
SHSTTON
93
Solv. Corr.
296
Solv. In. Corr.
389
Attempted
2 M:52 S
Avg. Time

2 / 40

What is output or the error in the program if the command line data is?
CornmVault India

#include

int main(int argc, char *argv[]) {
printf(" %d", printf("%s", argv[1]));
return 0;
}


ACommvault

BIndia 5

CIndia 9

DCommVault 9

Answer: Option D

Explanation:

Here is no explanation for this answer

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Tags: Commvault

NA
SHSTTON
66
Solv. Corr.
265
Solv. In. Corr.
331
Attempted
0 M:16 S
Avg. Time

3 / 40

What is the output of the program on a 32 bit Operating System?

#include
#include
void main () {
double val = 12.34;
double *dp = &val;
char *cp;
cp = (char*)malloc(sizeof(char) * 20);
sprintf (cp, "hello world");
printf("%d %d %d", sizeof(cp), sizeof(dp), sizeof(val));
}


A4 4 8

B20 8 8

C11 8 8

D20 4 8

Answer: Option A

Explanation:

Here is no explanation for this answer

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Tags: Commvault

NA
SHSTTON
30
Solv. Corr.
346
Solv. In. Corr.
376
Attempted
0 M:0 S
Avg. Time

4 / 40

Choose the correct option.

Match the following?

i) Software Interrupt mechanism (l)Deadlock
ii) Passing data from one process to another process (2)Signals
iii) A situation wherein two or more competing actions (3)Preemptive multitasking
are waiting for the other to finish, and thus
neither ever does
iv) Allows the computer system to more reliably guarantee each process a regular slice of operating time (4)Pipe


Ai-4, ii-3, iii-2, iv-1

Bi-4, ii-3, iii-2, iv-1

Ci-2, ii-4, iii-1, iv-3

Di-4, ii-2, iii-1, iv-3

Answer: Option B

Explanation:

Here is no explanation for this answer

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Tags: Commvault

NA
SHSTTON
178
Solv. Corr.
309
Solv. In. Corr.
487
Attempted
0 M:45 S
Avg. Time

5 / 40

Which of the following option is correct for the below 'C' program?
#include<stdio.h>
int main () {
int  ( *Commprintf) (const char*, ... ) = printf;
Commprintf (  "Hello World");
return 0;
}

ANo output

BUndefined symbol Commprintf

CCompile Error: Prototype mismatch

DHello World

Answer: Option D

Explanation:

Here is no explanation for this answer

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Tags: Commvault

NA
SHSTTON
128
Solv. Corr.
147
Solv. In. Corr.
275
Attempted
0 M:45 S
Avg. Time

6 / 40

What is output or the error in the program?

#include

void main () {
const char* cptr = "Hello";
printf ("%c", (*++cptr)++);
}


Al-value specifies const object

BNo error, output is e

CNo error, output is H

DNo error, output is 1

Answer: Option A

Explanation:

Here is no explanation for this answer

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Tags: Commvault

NA
SHSTTON
74
Solv. Corr.
158
Solv. In. Corr.
232
Attempted
2 M:7 S
Avg. Time

7 / 40

What is the output of the program,if the base address of the array is 1244896?
#include <stdio.h>
void main () {
struct {
float c ,
union p { 
char c; 
char *cp; 
short s;

} uvar[5);

} svar [6];

printf("%d %d", &svar[2], &svar[5]);

}

A1244784 1244976

B1244944 1245016

C1244784 1244932

D1244944 1244992

Answer: Option B

Explanation:

Here is no explanation for this answer

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Tags: Commvault

NA
SHSTTON
184
Solv. Corr.
175
Solv. In. Corr.
359
Attempted
3 M:24 S
Avg. Time

8 / 40

What is the output of the C++ program?
#include <iostream>
using namespace std;

void fun(int a, int b, int &c,int &d)
{
c += a + b;
d += a - b;
}
 
int main () {
int vl =  5,  v2 =  10, v3 = 2, v4 = 3; 
fun(vl,  v2, v3, v4); 
cout << v3 << "  "<< v4 ;
return 0;
}

A15 -5

B2 3

C17 -2

DNone of the above

Answer: Option C

Explanation:

Here is no explanation for this answer

Submit Your Solution

NA
SHSTTON
82
Solv. Corr.
121
Solv. In. Corr.
203
Attempted
0 M:0 S
Avg. Time

9 / 40

What is the output of the C++ program?
#include <iostream>
using namespace std;
 
class test { 
float x,  y; 
public:
test(float a = 1.0,  float b = 2.0)
{
x = a;
y = b;
}

test operator + (test & obj) {
return test(this->x + obj.x,  y + obj.y);
}

operator float () {
return  (x + y) ;
}
};

int main () {
test obj1(1.23, 4.56), obj2;
obj2  = obj1 + obj2;
cout << obj2;
return 0;
}

A8.79

B5.79

C3

DCompilation error: binary '<<': no operator found which takes a right-hand operand of type 'test'

Answer: Option A

Explanation:

Here is no explanation for this answer

Submit Your Solution

NA
SHSTTON
122
Solv. Corr.
147
Solv. In. Corr.
269
Attempted
0 M:43 S
Avg. Time

10 / 40

Choose the correct option.

What is the signature of the assignment operator in C++, if chain of assignments need to be performed for an object of class test?


Atest & operator = (const test&);

Bvoid & operator =(const test&);

Ctest & operator = ();

Dvoid & operator = (const test);

Answer: Option A

Explanation:

Here is no explanation for this answer

Submit Your Solution

Tags: Commvault


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