Data Structures Mock Test 7

What is the significance of NiFi's "SplitText" 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
Divide a FlowFile's content into individual text segments
Sort records based on a column Sort records based on a column

_______ model attempts to categorize a cloud network based on four-dimensional factors.

1 Mark(s)

Your Answer:

Cloud Square Cloud Square
Cloud Service Cloud Service
Cloud Cube Cloud Cube
All of the mentioned All of the mentioned

Who is the father of MS Word?

1 Mark(s)

Your Answer:

Martin Cooper Martin Cooper
Denis Riche Denis Riche
Charles Simonyi and Richard Brodie Charles Simonyi and Richard Brodie
Bill Gates Bill Gates

The system variable in MySQL server that enables to configure the SQL mode is . . . . . . . .

1 Mark(s)

Your Answer:

sql_config sql_config
sql_mode sql_mode
sql_server sql_server
sql_enable sql_enable

Which of the following jQuery method is used to replace all selected elements with new HTML elements?

1 Mark(s)

Your Answer:

jQuery replaceWith() method jQuery replaceWith() method
jQuery replaceAll() method jQuery replaceAll() method
jQuery load() method jQuery load() method
jQuery delegate() method jQuery delegate() method

Transactions are used to treat sets of SQL statements atomically.

1 Mark(s)

Your Answer:

True True
False False

What is the result of round(0.5) - round(-0.5)?

1 Mark(s)

Your Answer:

1.0 1.0
2.0 2.0
0.0 0.0
Value depends on Python version Value depends on Python version

Which of the following is used for adding perspective background images for each section?

1 Mark(s)

Your Answer:

.bg1 .bg1
.parallax .parallax
.static .static
.section .section

Which part of the microscope helps in magnifying small particles or microorganisms?

1 Mark(s)

Your Answer:

A) Stage A) Stage
B) Mirror B) Mirror
C) Eyepiece lens C) Eyepiece lens
D) Base D) Base

Which of the following is used as “Input device” for the computer?

1 Mark(s)

Your Answer:

VDU VDU
TV TV
Printer Printer
Light pen Light pen

The concept of crystalline and non crystalline regions results into details regarding fibre:

1 Mark(s)

Your Answer:

structure structure
density density
bonding bonding
strength strength

When creating a pool of global addresses, which of the following can be used instead of the netmask command?

1 Mark(s)

Your Answer:

/ (slash notation) / (slash notation)
prefix-length prefix-length
no mask no mask
block-size block-size

Determine output: void main() { int i=0, j=1, k=2, m; m = i++ || j++ || k++; printf("%d %d %d %d", m, i, j, k); }

1 Mark(s)

Your Answer:

1 1 2 3 1 1 2 3
1 1 2 2 1 1 2 2
0 1 2 2 0 1 2 2
0 1 2 3 0 1 2 3
None of these None of these

An innovative splicing system is:

1 Mark(s)

Your Answer:

splicer driven splicer driven
water and air driven water and air driven
heat driven heat driven
weight driven weight driven

What is the difference between the following 2 C codes? #include <stdio.h> //Program 1 int main() { int d, a = 1, b = 2; d = a++ + ++b; printf("%d %d %d", d, a, b); } #include <stdio.h> //Program 2 int main() { int d, a = 1, b = 2; d = a++ +++b; printf("%d %d %d", d, a, b); }

1 Mark(s)

Your Answer:

No difference as space doesn't make any difference, values of a, b, d are same in both the case
Space does make a difference, values of a, b, d are different
Program 1 has syntax error, program 2 is not
Program 2 has syntax error, program 1 is not

Electric potential energy is measured in:

1 Mark(s)

Your Answer:

watt watt
Joule Joule
Newton Newton
Coulomb Coulomb

Attributes from the fetched tuple are retrieved using:

1 Mark(s)

Your Answer:

Methods Methods
Objects Objects
Instances Instances
Shipment Shipment

FTP is built on the architecture:

1 Mark(s)

Your Answer:

client-server client-server
P2P P2P
IRC IRC
IM IM

The void pointer can point to which type of objects?

1 Mark(s)

Your Answer:

int int
float float
double double
all of the mentioned all of the mentioned

What will be the output of the following C# code snippet? class A {} class B : A {} class CheckCast { static void Main() { A a = new A(); B b = new B(); b = a as B; b = null; if(b==null) Console.WriteLine("The cast in b = (B) a is NOT allowed."); else Console.WriteLine("The cast in b = (B) a is allowed"); } }

1 Mark(s)

Your Answer:

Run time error Run time error
The cast in b = (B) a is NOT allowed The cast in b = (B) a is NOT allowed
The cast in b = (B) a is allowed The cast in b = (B) a is allowed
Compile time error Compile time error

How to declare a wide character in the string literal?

1 Mark(s)

Your Answer:

L prefix L prefix
l prefix l prefix
W prefix W prefix
Z prefix Z prefix

What is the purpose of the constructor (__init__ method) in a class in Python?

1 Mark(s)

Your Answer:

It initializes the attributes of an object
It defines a method It defines a method
It is a destructor It is a destructor
It is a constructor It is a constructor

Which one of the following is NOT a computer language?

1 Mark(s)

Your Answer:

MS-Excel MS-Excel
BASIC BASIC
COBOL COBOL
C++ C++

In the following options, which one is not part of the MS Word Page Setup group?

1 Mark(s)

Your Answer:

Wrap Text Wrap Text
Margin Margin
Orientation Orientation
Size Size

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

1 Mark(s)

Your Answer:

Text manipulation and string handling Text manipulation and string handling
Spatial data analysis Spatial data analysis
Statistical modeling Statistical modeling
Time series forecasting Time series forecasting

To extend the connectivity of the processor bus we use:

1 Mark(s)

Your Answer:

PCI bus PCI bus
SCSI bus SCSI bus
controllers controllers
multiple bus multiple bus

Which one of the following lines need to be uncommented or added in the php.ini file so as to enable mysqli extension?

1 Mark(s)

Your Answer:

extension=php_mysqli.dll extension=php_mysqli.dll
extension=mysql.dll extension=mysql.dll
extension=php_mysqli.dl extension=php_mysqli.dl
extension=mysqli.dl extension=mysqli.dl

What will be the output of the following C++ code? #include <iostream> #include <string> using namespace std; class A{ mutable int a; public: A(){ cout<<"A's Constructor called\n"; } ~A(){ cout<<"A's Destructor called\n"; } }; class B{ A a; public: B(){ cout<<"B's Constructor called\n"; } ~B(){ cout<<"B's Destructor called\n"; } }; int main(int argc, char const *argv[]) { B b1; }

1 Mark(s)

Your Answer:

A's Constructor called B's Constructor called
A's Destructor called B's Destructor called
A's Constructor called B's Constructor called B's Destructor called A's Destructor called
A's Constructor called B's Constructor called A's Destructor called B's Destructor called

What is the purpose of the Java Collections Framework?

1 Mark(s)

Your Answer:

To provide a unified architecture for representing and manipulating collections
To provide a way to create arrays To provide a way to create arrays
To define primitive data types To define primitive data types
To handle exceptions To handle exceptions

The aggregated result is likely to be much smaller than the large relations on which the:

1 Mark(s)

Your Answer:

View is stored View is stored
View is accessed View is accessed
View is computed View is computed
View is defined View is defined

We can write 'relation A contains relation B' as:

1 Mark(s)

Your Answer:

exists (B except A) exists (B except A)
exists (A except B) exists (A except B)
notexists (A except B) notexists (A except B)
notexists (B except A) notexists (B except A)

What is the size of an 'int' data type on a standard 32-bit compiler?

1 Mark(s)

Your Answer:

1 byte 1 byte
2 bytes 2 bytes
4 bytes 4 bytes
8 bytes 8 bytes

In a Binary Search Tree (BST), how can you find the depth of a particular node?

1 Mark(s)

Your Answer:

By counting the number of edges from the root to the node.
By counting the number of nodes in the subtree.
By finding the height of the tree. By finding the height of the tree.
By counting the number of children of the node.

__________ implementation that introduced text, list, box, margin, border, color, and background properties.

1 Mark(s)

Your Answer:

css css
html html
ajax ajax
php php

How can we define a AVL tree?

1 Mark(s)

Your Answer:

A tree which is binary search tree and height balanced tree.
A tree which is a binary search tree but unbalanced tree.
A tree with utmost two children A tree with utmost two children
A tree with utmost three children A tree with utmost three children

What is the primary function of the Hadoop RecordWriter?

1 Mark(s)

Your Answer:

Manage computation resources Manage computation resources
Write output key-value pairs Write output key-value pairs
Execute MapReduce jobs Execute MapReduce jobs
Manages Hadoop ecosystem tools Manages Hadoop ecosystem tools

Which of the following statements is true about namespaces in C#?

1 Mark(s)

Your Answer:

They cannot contain classes They cannot contain classes
They are mandatory They are mandatory
They help organize code They help organize code
They are used only in web development They are used only in web development

Which of the following operator is used to view the map reduce execution plans?

1 Mark(s)

Your Answer:

DUMP DUMP
DESCRIBE DESCRIBE
STORE STORE
EXPLAIN EXPLAIN

In R, what is the purpose of the repeat loop?

1 Mark(s)

Your Answer:

To repeat a block of code until a certain condition is met
To repeat a block of code a specified number of times
To repeat a block of code indefinitely To repeat a block of code indefinitely
To repeat a block of code based on a specific condition

What is the size of the given ternary tree?

1 Mark(s)

Your Answer:

3 3
2 2
6 6
4 4

Which of the following css property specifies a delay for the transition effect?

1 Mark(s)

Your Answer:

transition-delay transition-delay
transition-effect transition-effect
transition transition
transition-duration transition-duration

What are generic methods?

1 Mark(s)

Your Answer:

Generic methods are the methods defined in a generic class
Generic methods are the methods that extend generic class methods
Generic methods are methods that introduce their own type parameters
Generic methods are methods that take void parameters

In Interframe Space (IFS), when the channel is idle then it waits for the:

1 Mark(s)

Your Answer:

acknowledgment acknowledgment
IFS time IFS time
time-out time-out
R slots R slots

Which operator is used to perform less than comparison in C#?

1 Mark(s)

Your Answer:

> >
< <
>= >=
None of the above None of the above

Authorization over a database is included by:

1 Mark(s)

Your Answer:

SQL DDL SQL DDL
Authorization manager Authorization manager
Transaction control. Transaction control.
View control View control

How does the Bellman-Ford algorithm handle negative edge weights?

1 Mark(s)

Your Answer:

It ignores them. It ignores them.
It transforms negative weights into positive weights.
It cannot handle them. It cannot handle them.
It can handle them and detect negative weight cycles.

What is a likely consequence of overfishing in a pond ecosystem?

1 Mark(s)

Your Answer:

A) Increase in dragonfly population A) Increase in dragonfly population
B) Increase in fish population B) Increase in fish population
C) Decrease in plant seed production C) Decrease in plant seed production
D) Increase in water quality D) Increase in water quality

1 Byte =___________?

1 Mark(s)

Your Answer:

8 bits 8 bits
4 bits 4 bits
2 bits 2 bits
9 bits 9 bits

What does the yield keyword do in Ruby?

1 Mark(s)

Your Answer:

Executes the block passed to the method Executes the block passed to the method
Returns the value of the block passed to the method
Exits the method and returns to the caller
None of the above None of the above

Everything we eat is made up of:

1 Mark(s)

Your Answer:

fruits fruits
vegetables vegetables
nutrients nutrients
molecules molecules

If a man starts from home to his office, travels at a speed of 5 m/s, and returns to home with the same speed, then what is his total velocity?

1 Mark(s)

Your Answer:

10 m/s 10 m/s
0 0
5 m/s 5 m/s
20 m/s 20 m/s

Floyd Warshall Algorithm can be used for finding . . . . . . . .

1 Mark(s)

Your Answer:

Transitive closure Transitive closure
Minimum spanning tree Minimum spanning tree
Topological sort Topological sort
Single source shortest path Single source shortest path

Which of the following unit represent the viewport’s width?

1 Mark(s)

Your Answer:

vh vh
vmin vmin
vw vw
ch ch

What will be the output of the following PHP code? <?php $var=300; $int_options = array("options"=>array ("min_range"=>0, "max_range"=>256)); if (!filter_var($var, FILTER_VALIDATE_INT, $int_options)) echo("Integer is not valid"); else echo("Integer is valid"); ?>

1 Mark(s)

Your Answer:

No output is returned No output is returned
Integer is not valid Integer is not valid
Integer is valid Integer is valid
Error Error

What will be the output of the following C code having void return-type function? #include <stdio.h> void foo() { return 1; } void main() { int x = 0; x = foo(); printf("%d", x); }

1 Mark(s)

Your Answer:

1 1
0 0
Runtime error Runtime error
Compile time error Compile time error

Which of the following creates fluctuation plot?

1 Mark(s)

Your Answer:

ggmissplot ggmissplot
ggmissing ggmissing
ggfluctuation ggfluctuation
ggpcp ggpcp

Ground water is a

1 Mark(s)

Your Answer:

A) Renewable resource A) Renewable resource
B) Non-renewable resource B) Non-renewable resource
C) Exhaustible resource C) Exhaustible resource
D) Inexhaustible resource D) Inexhaustible resource

Which the following term does not pertain to Excel?

1 Mark(s)

Your Answer:

Browser Browser
Columns Columns
Work Book Work Book
None of these None of these

Which of the following selector same as :after; changed under CSS3 to make pseudo-elements obvious?

1 Mark(s)

Your Answer:

::after ::after
:after :after
#after #after
none of the mentioned none of the mentioned

Where is metadata stored in MySQL?

1 Mark(s)

Your Answer:

In the MySQL database metadata In the MySQL database metadata
In the MySQL database metasql In the MySQL database metasql
In the MySQL database mysql In the MySQL database mysql
None of the above is correct None of the above is correct

#include Which of the following is the correct syntax to add the header file in the C++ program?

1 Mark(s)

Your Answer:

#include #include
#include "userdefined.h" #include "userdefined.h"
"userdefined.h" "userdefined.h"
Both A and B Both A and B

In C++, what is the syntax for the 'while' loop?

1 Mark(s)

Your Answer:

while (condition) { statement; } condition;
while { statement; } condition; while { statement; } condition;
while (condition) { statement; } while (condition) { statement; }
while { condition } { statement; } while { condition } { statement; }

The pointer can accidentally be reassigned to another memory location Which keyword is used in C++ to define a function parameter that cannot be modified?

1 Mark(s)

Your Answer:

static static
const const
volatile volatile
register register

What is the purpose of Hadoop speculative execution?

1 Mark(s)

Your Answer:

To handle speculative workloads To handle speculative workloads
To minimize resource usage To minimize resource usage
To mitigate the impact of slow-running tasks
To speed up task completion To speed up task completion

Which of following is not a valid name for a C variable?

1 Mark(s)

Your Answer:

Examveda Examveda
Exam_veda Exam_veda
Exam veda Exam veda
Both A and B Both A and B
None of these None of these

Which method in Ruby is used to check if a key exists in a hash?

1 Mark(s)

Your Answer:

key? key?
include? include?
exists? exists?
has_key? has_key?

According to the type of bale, their number ranges from:

1 Mark(s)

Your Answer:

20 units to 80 units 20 units to 80 units
80units to 100 units 80units to 100 units
10units to 20 units 10units to 20 units
100units to 140 units 100units to 140 units

All instances of an entity class have the same attributes.

1 Mark(s)

Your Answer:

True True
False False

Who is the weakest link in security?

1 Mark(s)

Your Answer:

Software Software
Humans Humans
Hardware Hardware
Network Network

Which of the following CSS3 property is used to tell the browser what the sizing properties should be include?

1 Mark(s)

Your Answer:

box-sizing box-sizing
box-model box-model
box-design box-design
box-redesign box-redesign

Evaluating Your Answers

Data Structures Mock Test 7 : Question 1 of 70