Cyber Security Mock Test 3 - Online MCQ Exam

What does the 'fgets' function in C do?

1 Mark(s)

Your Answer:

Reads a line of text from a file Reads a line of text from a file
Reads a single character from the standard input
Compares two strings Compares two strings
Converts a string to an integer Converts a string to an integer

Which statement is most scientifically correct?

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Your Answer:

A) Science proves everything permanently
B) Science explains everything completely
C) Science improves understanding through testing
D) Science depends on authority D) Science depends on authority

Present day computers are based on __________?

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Your Answer:

Along technology Along technology
Hybrid technology Hybrid technology
Digital technology Digital technology
none of the above none of the above

What multicast addresses does RIPng use?

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Your Answer:

FF02::A FF02::A
FF02::9 FF02::9
FF02::5 FF02::5
FF02::6 FF02::6

Who is known as the -Father of AI"?

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Your Answer:

Fisher Ada Fisher Ada
Alan Turing Alan Turing
John McCarthy John McCarthy
Allen Newell Allen Newell

Who can access Session state variables ?

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Your Answer:

All users within a single tunnel All users within a single tunnel
All Users of an application All Users of an application
A Single session A Single session
All of the above All of the above

Which company is owned by Bill Gates?

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Your Answer:

Twitter Twitter
Facebook Facebook
YouTube YouTube
Microsoft Microsoft
None of these None of these

What will be the output of the following C# code? static void Main(string[] args) { byte b1 = 0 * AB; byte b2 = 0 * 99; byte temp; temp = (byte) ~b2; Console.Write( temp + " "); temp = (byte) (b1 << b2); Console.Write(temp + " "); temp = (byte)(b2 >> 2); Console.WriteLine(temp); Console.ReadLine(); }

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Your Answer:

101 0 34 101 0 34
103 2 38 103 2 38
102 0 38 102 0 38
101 1 35 101 1 35

Which of the following is not guided as computer communication media?

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Your Answer:

twisted pair cables twisted pair cables
fiber optic cables fiber optic cables
coaxial cables coaxial cables
satellite satellite

A process does not contain:

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Your Answer:

function parameters function parameters
local variables local variables
return addresses return addresses
PID of child process PID of child process

Which of these class must be used to send a datagram packets over a connection?

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Your Answer:

InetAdress InetAdress
DatagramPacket DatagramPacket
DatagramSocket DatagramSocket
All of the mentioned All of the mentioned

What is the content of stack pointer (SP)?

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Your Answer:

Address of the top element in the stack Address of the top element in the stack
Address of current instruction Address of current instruction
Address of next instruction Address of next instruction
None of the above None of the above

In distance vector routing, sharing of information in the routing table means sharing:

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Your Answer:

the whole table the whole table
only one column only one column
two columns two columns
three columns three columns

Sugar can dissolve in water forming:

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Your Answer:

sugar solution sugar solution
salty solution salty solution
aqueous solution aqueous solution
mixture mixture

The predicate in the clause which can be an arbitrary predicate, is said to be:

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Your Answer:

Check clause Check clause
Select clause Select clause
Where clause Where clause
Alter clause Alter clause

What is the difference between r+ and w+ modes?

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Your Answer:

no difference no difference
in r+ the pointer is initially placed at the beginning of the file and the pointer is at the end for w+
in w+ the pointer is initially placed at the beginning of the file and the pointer is at the end for r+
depends on the operating system depends on the operating system

External devices that are connected to a computer system are known as:

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Your Answer:

expansion cards expansion cards
peripheral devices peripheral devices
buses buses
slots slots

The process of finding errors in code is called:

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Your Answer:

Compiling Compiling
Debugging Debugging
Executing Executing
Running Running

Running multiple programs at the same time is called:

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Your Answer:

Multitasking Multitasking
Foreground tasking Foreground tasking
Single tasking Single tasking
Symmetric Symmetric

What is the purpose of Hadoop ZooKeeper in the architecture?

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Your Answer:

Data ingestion Data ingestion
Configuration management Configuration management
Real-time data processing Real-time data processing
Resource management Resource management

Which of the following is incorrect about digital marketing?

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Your Answer:

Digital marketing can only be done offline
Digital marketing cannot be done offline.
Digital marketing requires electronic devices for promoting goods and services.
In general, digital marketing can be understood as online marketing, web marketing, and e-mail marketing.

What is the result of 10 + 2 * 6 / 3 ?

1 Mark(s)

Your Answer:

14 14
16 16
8 8
12 12

What is the primary purpose of the `@PostConstruct` annotation in Java EE applications?

1 Mark(s)

Your Answer:

To define JavaBean properties To define JavaBean properties
To execute SQL queries To execute SQL queries
To specify a method to be executed after an instance is created and its dependencies are injected
To create JavaBeans To create JavaBeans

The 'technique' which is used in water treatment plants, is:

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Your Answer:

distillation distillation
filtration filtration
evaporation evaporation
fractional distillation fractional distillation

Agile methodology emphasizes:

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Your Answer:

Customer feedback Customer feedback
Documentation Documentation
Rigid planning Rigid planning
Contract negotiation Contract negotiation

Evaluate the following statement using infix evaluation algorithm and choose the correct answer. 1+2*3-2

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Your Answer:

3 3
6 6
5 5
4 4

Potential energy per unit charge at point in electric field is called:

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Your Answer:

electric potential electric potential
magnetic potential magnetic potential
thermal potential thermal potential
optical potential optical potential

What is the effect of increasing the size of a hash table on performance?

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Your Answer:

It generally reduces the load factor and collisions.
It increases the load factor and collisions.
It decreases memory usage. It decreases memory usage.
It does not affect performance. It does not affect performance.

In computer, ALU has____________?

1 Mark(s)

Your Answer:

2units 2units
3units 3units
4units 4units
5units 5units

In a Class A IP address, how many octets represent the network?

1 Mark(s)

Your Answer:

1 1
2 2
3 3
4 4

What is the sizeof(void) in a 32-bit C?

1 Mark(s)

Your Answer:

0 0
1 1
2 2
4 4

Substance that continually deforms under an applied shear stress is:

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Your Answer:

fluid fluid
gas gas
solid solid
silicon silicon

The microdata model consists of groups of name-value pairs known as

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Your Answer:

Item Item
Property Property
Value Value
URL URL

Pick the correct statement regarding pickle and marshal modules.

1 Mark(s)

Your Answer:

The pickle module supports primarily .pyc files whereas marshal module is used to sterilize Python objects
The pickle module keeps track of the objects that have already been sterilized whereas the marshal module does not do this
The pickle module cannot be used to sterilize user defined classes and their instances whereas marshal module can be used to perform this task
The format of sterilization of the pickle module is not guaranteed to be supported across all versions of Python. The marshal module sterilization is compatible across all the versions of Python

Which of the following is NOT a valid C# comment style?

1 Mark(s)

Your Answer:

/**/ /**/
// //
/* */ /* */
# #

No library function will store a zero in errno.

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Your Answer:

true true
false false

The mechanism to protect private networks from outside attack is called:

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Your Answer:

Cyber Crime Cyber Crime
Search Engine Search Engine
Browser Browser
Firewall Firewall
Antivirus Antivirus

An idealized mathematical model of a pendulum is:

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Your Answer:

Gravity pendulum Gravity pendulum
Tension pendulum Tension pendulum
Torison pendulum Torison pendulum
Spring pendulum Spring pendulum

In R, which package is commonly used for conducting statistical hypothesis tests?

1 Mark(s)

Your Answer:

stats stats
hypotest hypotest
hypothesis hypothesis
infer infer

The symbol that can be used in the select clause to denote 'all attributes', is:

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Your Answer:

_ _
^ ^
& &
* *

How do you access class variables in Ruby?

1 Mark(s)

Your Answer:

Using accessor methods Using accessor methods
Using instance methods Using instance methods
Using class methods Using class methods
Using global variables Using global variables

Growth restriction is also known as:

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Your Answer:

growth of straight order growth of straight order
growth of exponential order growth of exponential order
growth of step order growth of step order
growth of impulse order growth of impulse order

Air is a mixture that makes up the:

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Your Answer:

season season
atmosphere atmosphere
clouds clouds
temperature temperature

The final destination of the packet is a host connected to the same physical network as the deliverer in the:

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Your Answer:

direct delivery direct delivery
indirect delivery indirect delivery
urgent delivery urgent delivery
delayed delivery delayed delivery

What is the purpose of the DefaultIfEmpty operator in LINQ?

1 Mark(s)

Your Answer:

Returns the number of elements in a sequence
Returns a default value if a sequence is empty
Returns a specific element from a sequence
None of the above None of the above

Which of the following modifier means a particular variable cannot be accessed within the package?

1 Mark(s)

Your Answer:

private private
public public
protected protected
default default

How can the Hadoop block size affect job performance?

1 Mark(s)

Your Answer:

Larger blocks can improve data locality Larger blocks can improve data locality
Smaller blocks lead to faster processing
Block size has no impact on job performance
Larger blocks cause increased network traffic

The events that is emulated by the jQuery library are

1 Mark(s)

Your Answer:

focusarea and focusover focusarea and focusover
focusall and focusnone focusall and focusnone
focusdown and focusup focusdown and focusup
focusin and focusout focusin and focusout

What is the difference between an object and a class in C++?

1 Mark(s)

Your Answer:

A class and an object are the same thing
A class represents a specific instance, whereas an object represents a general template
A class is a blueprint for creating objects, whereas an object is an instance of a class
An object is a blueprint for creating classes, whereas a class is an instance of an object

To write a relational query, the statement that is used is:

1 Mark(s)

Your Answer:

Select cursor statement Select cursor statement
Define cursor statement Define cursor statement
Declare cursor statement Declare cursor statement
Create cursor statement Create cursor statement

What is an interface in Java?

1 Mark(s)

Your Answer:

A contract specifying a set of methods that a class must implement
A class that cannot be instantiated A class that cannot be instantiated
A class that contains only static methods
A subclass of the Object class A subclass of the Object class

What will be the output of the following Java code? class box { int width; int height; int length; int volume; box() { width = 5; height = 5; length = 6; } void volume() { volume = width*height*length; } } class constructor_output { public static void main(String args[]) { box obj = new box(); obj.volume(); System.out.println(obj.volume); } }

1 Mark(s)

Your Answer:

100 100
150 150
200 200
250 250

Which of the following PHP functions can be used for generating unique id’s?

1 Mark(s)

Your Answer:

uniqueid() uniqueid()
id() id()
md5() md5()
mdid() mdid()

Which indicator is used for similarity between two sets?

1 Mark(s)

Your Answer:

Rope Tree Rope Tree
Jaccard Coefficient Jaccard Coefficient
Tango Tree Tango Tree
MinHash Coefficient MinHash Coefficient

The database system stores the query expression associated with the:

1 Mark(s)

Your Answer:

View View
View definition View definition
View relation View relation
View schema View schema

What will be the output of the following C# code? static void Main(string[] args) { int i = 2, j = 3, k = 4; switch (i + j - k) { case 0: case 2: case 4: ++i; k += j; break; case 1: case 3: case 5 : --i; k -= j; break; default: i += j; break; } Console.WriteLine(i + "\n" + j + "\n" + k); Console.ReadLine(); }

1 Mark(s)

Your Answer:

1 3 1 1 3 1
2 3 4 2 3 4
5 3 4 5 3 4
Compile time error Compile time error

Evaluating Your Answers

Cyber Security Mock Test 3 : Question 1 of 56