Cyber Security Mock Test 15

Chemical formula contains the symbols of elements present in the:

1 Mark(s)

Your Answer:

compound compound
mixture mixture
solution solution
molecule molecule

A foreign key is which of the following?

1 Mark(s)

Your Answer:

Any attribute Any attribute
The same thing as a primary key The same thing as a primary key
An attribute that serves as the primary key of another relation
An attribute that serves no purpose An attribute that serves no purpose

What is the purpose of the Hadoop CombineFileInputFormat?

1 Mark(s)

Your Answer:

Combine intermediate key-value pairs on the mapper side
Distribute data to reducers Distribute data to reducers
Aggregate values on the reducer side Aggregate values on the reducer side
Sort and shuffle data Sort and shuffle data

Select the correct value of i from given options i=scanf("%d %d", &a, &b);

1 Mark(s)

Your Answer:

1 1
2 2
3 3
No value assigned No value assigned

Apache . . . . . . . . is a project that enables development and consumption of REST style web services.

1 Mark(s)

Your Answer:

Wives Wives
Wink Wink
Wig Wig
All of the mentioned All of the mentioned

What will be the output of the following C code? #include <stdio.h> int main() { int a = 4, n, i, result = 0; scanf("%d", &n); for (i = 0;i

1 Mark(s)

Your Answer:

Addition of a and n Addition of a and n
Subtraction of a and n Subtraction of a and n
Multiplication of a and n Multiplication of a and n
Division of a and n Division of a and n

Which of the following is a valid variable name in Python?

1 Mark(s)

Your Answer:

my-variable my-variable
123variable 123variable
_my_variable _my_variable
$variable $variable

In C#, which access modifier is used to restrict access to a method within the same class or derived classes?

1 Mark(s)

Your Answer:

protected protected
internal internal
private private
public public

What is the best data type definition for Oracle when a field is alphanumeric and has a fixed length?

1 Mark(s)

Your Answer:

VARCHAR2 VARCHAR2
CHAR CHAR
LONG LONG
NUMBER NUMBER

Which of these methods of class String is used to separate a substring from a String object?

1 Mark(s)

Your Answer:

substring() substring()
Substring() Substring()
SubString() SubString()
None of the mentioned None of the mentioned

Carbon, hydrogen and oxygen combine together to make:

1 Mark(s)

Your Answer:

sugar sugar
polythene polythene
chalk chalk
common salt common salt

In computer programming, assigning of an initial value or to set , variables , counters, switches etc to their starting values at the beginning of a program or subprogram is called_________________?

1 Mark(s)

Your Answer:

Restart Restart
Initialize Initialize
Release Release
Rerun Rerun

What keyword in Rust is used to handle potential null or missing values safely?

1 Mark(s)

Your Answer:

Option Option
Result Result
Nullable Nullable
Optional Optional

Which of the following action removes a sheet from workbook?

1 Mark(s)

Your Answer:

Select the sheet, then choose Edit > Delete Sheet
Select the sheet then choose Format > Sheet > Hide
Both of above Both of above
None of above None of above

Call by content What is the impact of passing large objects by value?

1 Mark(s)

Your Answer:

It saves memory It saves memory
It is computationally efficient It is computationally efficient
It incurs a performance overhead due to copying
It prevents side effects It prevents side effects

The level of current passing will affect the bulb's:

1 Mark(s)

Your Answer:

brightness brightness
life life
energy energy
force force

The force per unit area applied to the material is:

1 Mark(s)

Your Answer:

stress stress
strain strain
modulus modulus
density density

Molecular information cannot be obtained from:

1 Mark(s)

Your Answer:

scattering scattering
elastic scattering elastic scattering
light scattering light scattering
moderate scattering moderate scattering

In C, what is the purpose of the 'realloc' function?

1 Mark(s)

Your Answer:

To change the size of a previously allocated block of memory
To allocate memory for a structure To allocate memory for a structure
To copy memory To copy memory
To check for memory leaks To check for memory leaks

Which of the following option a rule consists of?

1 Mark(s)

Your Answer:

Tag Tag
Selector Selector
Declaration Declaration
Both (C) and (D) Both (C) and (D)

Megahertz, the measure of speed used for a microprocessor typically from __to__?

1 Mark(s)

Your Answer:

40 to 300 MHz 40 to 300 MHz
60 to 200 MHz 60 to 200 MHz
50 to 300 MHz 50 to 300 MHz
60 to 300 MHz Answer 60 to 300 MHz Answer

What is the correct syntax to declare a constant in C#?

1 Mark(s)

Your Answer:

constant MAX_VALUE = 100; constant MAX_VALUE = 100;
MAX_VALUE = 100; MAX_VALUE = 100;
int MAX_VALUE = 100; int MAX_VALUE = 100;
const int MAX_VALUE = 100; const int MAX_VALUE = 100;

. . . . . . . . provides a Couchbase Server-Hadoop connector by means of Sqoop.

1 Mark(s)

Your Answer:

MemCache MemCache
Couchbase Couchbase
Hbase Hbase
All of the mentioned All of the mentioned

In 2024, which company became the first to achieve a $3 trillion market capitalization?

1 Mark(s)

Your Answer:

Google Google
Microsoft Microsoft
Apple Apple
Amazon Amazon

Which keyword is used to signify inheritance in C++?

1 Mark(s)

Your Answer:

extends extends
inherit inherit
using using
: public : public

To view headers and footers, you must switch to

1 Mark(s)

Your Answer:

Normal view Normal view
Print layout view Print layout view
Print preview mode Print preview mode
Both B and C Both B and C

A body with narrow pointed head and tail with bigger middle portion is called:

1 Mark(s)

Your Answer:

streamlined body streamlined body
oblongata oblongata
pointing pointing
oval shape oval shape

Most popular input device used in computer games is called:

1 Mark(s)

Your Answer:

track ball track ball
touch screen touch screen
joystick joystick
pointing stick pointing stick

What is a Python module?

1 Mark(s)

Your Answer:

A file containing Python code that can be reused
A keyword in Python A keyword in Python
A built-in data type A built-in data type
A type of exception A type of exception

Algebraic sum of changes in potential encountered in a complete traversal of any loop of a circuit must be:

1 Mark(s)

Your Answer:

0 0
1 1
∞ ∞
−∞ −∞

Coefficient of thermal expansion of diamond is:

1 Mark(s)

Your Answer:

1.2x10-6/C° 1.2x10-6/C°
0.7x10-4/C° 0.7x10-4/C°
0.5x10-6/C° 0.5x10-6/C°
11x10-4/C° 11x10-4/C°

I/O of the computer system is an abbreviation of:

1 Mark(s)

Your Answer:

input input
output output
interaction interaction
both a and b both a and b

Evaluating Your Answers

Cyber Security Mock Test 15 : Question 1 of 32