Cyber Security Mock Test 8 - Online MCQ Exam

By default, all the files in C++ are opened in . . . . . . . . mode.

1 Mark(s)

Your Answer:

Text Text
Binary Binary
ISCII ISCII
VTC VTC

Road signs like 50 km/h are warning to drive in given:

1 Mark(s)

Your Answer:

area area
speed limit speed limit
direction direction
distance distance

Which tag is used for List items?

1 Mark(s)

Your Answer:

<li> <li>
<ol> <ol>
<ul> <ul>
<dl> <dl>

An expression involving byte, int, and literal numbers is promoted to which of these?

1 Mark(s)

Your Answer:

int int
long long
byte byte
float float

Period of revolution of Venus is:

1 Mark(s)

Your Answer:

11.9 y 11.9 y
0.615 y 0.615 y
1.88 y 1.88 y
1.00 y 1.00 y

Can 8 byte long data type be automatically type cast to 4 byte float data type?

1 Mark(s)

Your Answer:

True True
False False

Gold is often in a state of matter which is:

1 Mark(s)

Your Answer:

solid solid
liquid liquid
gas gas
molten molten

Which control is used to display a list of items in a scrollable window in a Windows Forms Application?

1 Mark(s)

Your Answer:

ComboBox ComboBox
CheckedListBox CheckedListBox
ListBox ListBox
RichTextBox RichTextBox

Converting a type to a 32-bit integer in C# uses:

1 Mark(s)

Your Answer:

ToInt32 ToInt32
ToDouble ToDouble
ToDecimal ToDecimal
ToInt16 ToInt16

An agreement between the communicating devices is represented by:

1 Mark(s)

Your Answer:

Sender Sender
Receiver Receiver
Protocol Protocol
Transmission medium Transmission medium

What is the correct way to access the length of an array named numbers in C#?

1 Mark(s)

Your Answer:

numbers.Length numbers.Length
Length(numbers) Length(numbers)
numbers.size() numbers.size()
Length(numbers[]) Length(numbers[])

What will be the output of the following C++ code? #include <iostream> using namespace std; int main ( ) { static double i; i = 20; cout << sizeof(i); return 0; }

1 Mark(s)

Your Answer:

4 4
2 2
8 8
garbage garbage

What is the primary purpose of the psych package in R?

1 Mark(s)

Your Answer:

Geospatial data analysis Geospatial data analysis
Data manipulation and transformation Data manipulation and transformation
Statistical analysis and visualization Statistical analysis and visualization
Psychological and educational measurement

The piece of information (data) to be communicated is known as:

1 Mark(s)

Your Answer:

Letter Letter
Message Message
Medium Medium
Jitter Jitter

Which of the following is included in SRS ?

1 Mark(s)

Your Answer:

Cost Cost
Design Constraints Design Constraints
Staffing Staffing
Delivery Schedule Delivery Schedule

For variable-length types like character arrays, two arguments of the connection call gives the:

1 Mark(s)

Your Answer:

Maximum length Maximum length
Minimum length Minimum length
Dependent length Dependent length
Reflective length Reflective length

What is the purpose of the Reverse operator in LINQ?

1 Mark(s)

Your Answer:

Sorts the elements of a sequence in ascending order based on a key
Filters a sequence based on a predicate Filters a sequence based on a predicate
Projects each element of a sequence Projects each element of a sequence
Reverses the order of the elements in a sequence

In Ruby, what is the purpose of the `redo` keyword?

1 Mark(s)

Your Answer:

Repeats the current iteration of the loop
Exits the loop Exits the loop
Skips the current iteration of the loop Skips the current iteration of the loop
Restarts the loop from the beginning Restarts the loop from the beginning

Which of the following is NOT a valid HTML helper method in ASP.NET MVC?

1 Mark(s)

Your Answer:

Html.BeginForm() Html.BeginForm()
Html.DropDownList() Html.DropDownList()
Html.TextBox() Html.TextBox()
Html.ExecuteAction() Html.ExecuteAction()

Information kept about a file includes

1 Mark(s)

Your Answer:

print setting print setting
deletion data deletion data
Both A and B Both A and B
size size

What is the space complexity of Radix Sort?

1 Mark(s)

Your Answer:

O(n) O(n)
O(k) O(k)
O(1) O(1)
O(n + k) O(n + k)

A class defines the structure and:

1 Mark(s)

Your Answer:

behaviour behaviour
property property
attributes attributes
functions functions

Which of the following specifies the distance between the borders of adjacent cells?

1 Mark(s)

Your Answer:

border-spacing-cell border-spacing-cell
border-width-spacing border-width-spacing
border-spacing border-spacing
cell-spacing cell-spacing

The molecular formula for water is:

1 Mark(s)

Your Answer:

H2O H2O
CO2 CO2
NaCl NaCl
NaHCO3 NaHCO3

Choose the correct statements among the following:

1 Mark(s)

Your Answer:

An abstract method does not have implementation
An abstract method can take either static or virtual modifiers
An abstract method can be declared only in abstract class
All of the mentioned All of the mentioned

What will be the output of the following Python code? fo = open("foo.txt", "rw+") print "Name of the file: ", fo.name # Assuming file has following 5 lines # This is 1st line # This is 2nd line # This is 3rd line # This is 4th line # This is 5th line for index in range(5): line = fo.next() print "Line No %d - %s" % (index, line) # Close opened file fo.close()

1 Mark(s)

Your Answer:

Compilation Error Compilation Error
Syntax Error Syntax Error
Displays Output Displays Output
None of the mentioned None of the mentioned

Which of the following options is used to open calculator?

1 Mark(s)

Your Answer:

Start button ⟶ All Programs ⟶ Accessories ⟶ Calculator
Start button ⟶ All Programs ⟶ Calculator
Start button ⟶ Accessories ⟶ Calculator
All of the above All of the above

A metal used in the manufacturing of car batteries is known as:

1 Mark(s)

Your Answer:

copper copper
gold gold
lead lead
Sulphur Sulphur

Which of the following selector selects an element if it’s the only child of its parent?

1 Mark(s)

Your Answer:

:root :root
:nth-oftype(n) :nth-oftype(n)
:only-child :only-child
none of the mentioned none of the mentioned

Milk and curry left over can be turned into sour n spoiled at:

1 Mark(s)

Your Answer:

high temperature high temperature
very low temperature very low temperature
room temperature room temperature
constant temperature constant temperature

When the specimen comes in a broad focus, we should turn the knob of:

1 Mark(s)

Your Answer:

fine adjustment fine adjustment
coarse adjustment coarse adjustment
condenser lens condenser lens
illumination illumination

To start a slide show in PowerPoint we press _____?

1 Mark(s)

Your Answer:

F6 F6
F4 F4
F5 F5
None of these None of these

What will be the output of the following Python code? s1={1, 2, 3} s2={3, 4, 5, 6} s1.difference(s2) s2.difference(s1)

1 Mark(s)

Your Answer:

{1, 2} {4, 5, 6} {1, 2} {4, 5, 6}
{1, 2} {1, 2} {1, 2} {1, 2}
{4, 5, 6} {1, 2} {4, 5, 6} {1, 2}
{4, 5, 6} {4, 5, 6} {4, 5, 6} {4, 5, 6}

What is the purpose of a let! block in RSpec?

1 Mark(s)

Your Answer:

Defines a memoized helper method that is executed before each example
Defines a memoized helper method that can be used in examples
Overrides the behavior of a method to return a specific value
Records the interactions between objects

A computer message is "Do you really want to delete the selected file (s)"? The user clicks 'Yes' key. It is called

1 Mark(s)

Your Answer:

program response program response
user output user output
user response user response
program output program output

Which STL container provides random access to elements and dynamic resizing?

1 Mark(s)

Your Answer:

vector vector
list list
set set
map map

The SQL -92 wildcards are ____ and ____ .

1 Mark(s)

Your Answer:

asterisk (*); percent sign (%) asterisk (*); percent sign (%)
percent sign (%); underscore (_) percent sign (%); underscore (_)
underscore(_); question mark (?) underscore(_); question mark (?)
question mark (?); asterisk (*) question mark (?); asterisk (*)

Which iterator is used to traverse a map container?

1 Mark(s)

Your Answer:

vector iterator vector iterator
map iterator map iterator
set iterator set iterator
list iterator list iterator

In block coding, we divide our message into blocks, is called:

1 Mark(s)

Your Answer:

code blocks code blocks
packet blocks packet blocks
code words code words
datawords datawords

"Hemoglobin "is a combination of:

1 Mark(s)

Your Answer:

carbohydrates and fats carbohydrates and fats
carbohydrates and proteins carbohydrates and proteins
fats and proteins fats and proteins
proteins and iron proteins and iron

Which operator is used for bitwise NOT in Java?

1 Mark(s)

Your Answer:

& &
| |
^ ^
~ ~

In HTML Audio/Video DOM, __________ returns a TextTrackList object representing the available text tracks.

1 Mark(s)

Your Answer:

readyState readyState
startDate startDate
videoTracks videoTracks
textTracks textTracks

HBase uses the . . . . . . . . File System to store its data.

1 Mark(s)

Your Answer:

Hive Hive
Imphala Imphala
Hadoop Hadoop
Scala Scala

FAST stands for___________________?

1 Mark(s)

Your Answer:

Functional Application Specification Technique
Fast Application Specification Technique
Facilitated Application Specification Technique
None of the mentioned None of the mentioned

The default value in seconds in the system variable 'long_query_time' is . . . . . . . .

1 Mark(s)

Your Answer:

5 5
10 10
20 20
60 60

Which version introduced the function error_get_last()?

1 Mark(s)

Your Answer:

PHP 4 PHP 4
PHP 5 PHP 5
PHP 5.2 PHP 5.2
PHP 5.3 PHP 5.3

The term that provides the ability to query information from the database, is known as:

1 Mark(s)

Your Answer:

SQL DML SQL DML
SQL DDL SQL DDL
Embedded SQL Embedded SQL
View definition View definition

In NiFi, what is the role of the "DetectDuplicate" processor?

1 Mark(s)

Your Answer:

Join records from multiple tables Join records from multiple tables
Group records based on a condition Group records based on a condition
Sort records based on a column Sort records based on a column
Identify and filter out duplicate data Identify and filter out duplicate data

What is the auxiliary space complexity of Merge Sort?

1 Mark(s)

Your Answer:

O(1) O(1)
O(n) O(n)
O(log n) O(log n)
O(n log n) O(n log n)

What is the purpose of the "delegate" keyword in C#?

1 Mark(s)

Your Answer:

Defines a new data type Defines a new data type
Declares a class Declares a class
Marks a method as virtual Marks a method as virtual
Defines a reference type for methods Defines a reference type for methods

What is the primary purpose of a constructor in a Ruby class?

1 Mark(s)

Your Answer:

To initialize instance variables To initialize instance variables
To define class methods To define class methods
To create new instances of the class To create new instances of the class
To define getter and setter methods To define getter and setter methods

What will be the output of the following Java code snippet? double a = 0.02; double b = 0.03; double c = b - a; System.out.println(c); BigDecimal _a = new BigDecimal("0.02"); BigDecimal _b = new BigDecimal("0.03"); BigDecimal _c = b.subtract(_a); System.out.println(_c);

1 Mark(s)

Your Answer:

0.009999999999999998 0.01 0.009999999999999998 0.01
0.01 0.009999999999999998 0.01 0.009999999999999998
0.01 0.01 0.01 0.01
0.009999999999999998 0.009999999999999998

Carbon dioxide gas 'CO2' has molar mass of:

1 Mark(s)

Your Answer:

32.0x10-3 kg/mol 32.0x10-3 kg/mol
64.1x10-3 kg/mol 64.1x10-3 kg/mol
44.0x10-3 kg/mol 44.0x10-3 kg/mol
2.02x10-3 kg/mol 2.02x10-3 kg/mol

The full-duplex mode increases the capacity of each domain from:

1 Mark(s)

Your Answer:

10 to 20 Mbps 10 to 20 Mbps
20 to 30 Mbps 20 to 30 Mbps
30 to 40 Mbps 30 to 40 Mbps
40 to 50 Mbps 40 to 50 Mbps

Which of the following is a sub string of "HELLOINDIA"?

1 Mark(s)

Your Answer:

HELL HELL
LOIND LOIND
HELD HELD
LOND LOND

Which of the following is not a valid identifier for a Java variable?

1 Mark(s)

Your Answer:

my_var my_var
_myVar _myVar
3rdVar 3rdVar
$var $var

What is the maximum number of elements that can be held in a stack with a fixed size of 10?

1 Mark(s)

Your Answer:

10 10
11 11
9 9
Unlimited Unlimited

How many bits can fit on a link with a 2 ms delay if the bandwidth of the link is 10Mbps?

1 Mark(s)

Your Answer:

200bits 200bits
20,000 bits 20,000 bits
200,000bits 200,000bits
2bits 2bits

The value of the checksum must be recalculated regardless of:

1 Mark(s)

Your Answer:

de-fragmentation de-fragmentation
fragmentation fragmentation
transfer transfer
size size

Which data structure is used to implement a recursive function?

1 Mark(s)

Your Answer:

Stack Stack
Queue Queue
Array Array
Linked List Linked List

In HBase, what does the term "Column Family" refer to?

1 Mark(s)

Your Answer:

A query language for HBase A query language for HBase
A group of related columns A group of related columns
A distributed file system A distributed file system
None of the above None of the above

Which attribute is not essential under <iframe>?

1 Mark(s)

Your Answer:

src src
height height
width width
frameborder frameborder

Is it allowed to make a PDF of the powerpoint presentation?

1 Mark(s)

Your Answer:

Yes Yes
No No
May be May be
Can't say Can't say

In C#, which method is used to create a new directory?

1 Mark(s)

Your Answer:

Directory.New() Directory.New()
Directory.Make() Directory.Make()
Directory.CreateNew() Directory.CreateNew()
Directory.CreateDirectory() Directory.CreateDirectory()

What does the '//' operator do when used with negative numbers?

1 Mark(s)

Your Answer:

Returns the positive quotient Returns the positive quotient
Returns the negative quotient Returns the negative quotient
Rounds down to the nearest integer Rounds down to the nearest integer
Rounds up to the nearest integer Rounds up to the nearest integer

Which of the following is the disadvantage of sparse matrices over normal matrices?

1 Mark(s)

Your Answer:

Size Size
Speed Speed
Easily compressible Easily compressible
Algorithm complexity Algorithm complexity

Which of the following is golden rule for interface design ?

1 Mark(s)

Your Answer:

Place the user in control Place the user in control
Reduce the user’s memory load Reduce the user’s memory load
Make the interface consistent Make the interface consistent
All of the mentioned All of the mentioned

Which of the following is NOT a valid ASP.NET component?

1 Mark(s)

Your Answer:

Model Model
View View
Controller Controller
Service Service

As the thread breaks, it is collected by:

1 Mark(s)

Your Answer:

aspirator aspirator
remover remover
collector collector
evacuator evacuator

The voice channels of the E-4 is:

1 Mark(s)

Your Answer:

30 30
120 120
480 480
1920 1920

What is the imaginary part of the complex number 3 + 4j ?

1 Mark(s)

Your Answer:

3 3
4 4
4j 4j
3j 3j

Which data structure is non-linear?

1 Mark(s)

Your Answer:

Array Array
Stack Stack
Tree Tree
Queue Queue

What will be the output of the following C code? #include <stdio.h> #include <stdlib.h> int main() { srand(9000); printf("%d\n", rand()); return 0; }

1 Mark(s)

Your Answer:

Compile time error Compile time error
An integer in the range 0 to RAND_MAX An integer in the range 0 to RAND_MAX
A double in the range 0 to 1 A double in the range 0 to 1
A float in the range 0 to 1 A float in the range 0 to 1

The comments in a program in the C language can extend over:?

1 Mark(s)

Your Answer:

only one line only one line
several lines several lines
two adjacent lines two adjacent lines
All of the above Answer All of the above Answer

What is the typical time complexity of decreasing a key in a min-heap?

1 Mark(s)

Your Answer:

O(1) O(1)
O(log n) O(log n)
O(n) O(n)
O(n log n) O(n log n)

Which of the following is equal to 4 bits?

1 Mark(s)

Your Answer:

Byte Byte
Nibble Nibble
Record Record
All of the above All of the above

Evaluating Your Answers

Cyber Security Mock Test 8 : Question 1 of 76