Kotlin Mock Test 2 - Online MCQ Exam

In SQL standard, the variable which is considered as communication variable and is string of five characters is named as:

1 Mark(s)

Your Answer:

SQLSECTION SQLSECTION
SQLSTATE SQLSTATE
SQLCODE SQLCODE
SQLMOD SQLMOD

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 result of the expression 5 * (1 + 2) - 3 in C?

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Your Answer:

12 12
15 15
10 10
6 6

When you open an Excel sheet, what is the topmost bar called?

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Your Answer:

Title Bar Title Bar
Status Bar Status Bar
Menu Bar Menu Bar
Tool Bar Tool Bar

When is an application said to show a web performance?

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Your Answer:

Time to respond Time to respond
Time to load Time to load
Time to send a request Time to send a request
All of the mentioned All of the mentioned

In unicast routing, the disadvantage of the distance vector routing is:

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Your Answer:

stability stability
instability instability
split horizon split horizon
infinite route distance infinite route distance

A digital signature needs a:

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Your Answer:

private-key system private-key system
shared-key system shared-key system
public-key system public-key system
secret key secret key

Which one of the following is the right way to clone an object?

1 Mark(s)

Your Answer:

_clone(targetObject); _clone(targetObject);
destinationObject = clone targetObject; destinationObject = clone targetObject;
destinationObject = _clone(targetObject);
destinationObject = clone(targetObject);

What is the output of the given code? counter=6 if counter<=5 puts (counter) counter=counter+1 puts (counter) elsif counter>5 puts (counter) counter=2*counter puts(counter) else puts(counter) counter=counter-1 puts(counter) end

1 Mark(s)

Your Answer:

5 10 5 10
6 12 6 12
Syntax error Syntax error
None of the mentioned None of the mentioned

What will be the output of the following C++ code? #include <iostream> #include <memory> #include <string> using namespace std; int main () { string numbers[] = {"steve", "jobs"}; pair <string*, ptrdiff_t> result = get_temporary_buffer<string>(2); if (result.second>0) { uninitialized_copy ( numbers, numbers + result.second, result.first ); for (int i = 0; i < result.second; i++) cout << result.first[i] << " "; return_temporary_buffer(result.first); } return 0; }

1 Mark(s)

Your Answer:

steve steve
jobs jobs
jobs steve jobs steve
steve jobs steve jobs

In HBase, what is the significance of the HBase Data Block Encoding?

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Your Answer:

A storage format in Hadoop A storage format in Hadoop
A query language for HBase A query language for HBase
Optimize storage and retrieval of data in HBase
A distributed file system A distributed file system

Which of the following combination of features would you observe in grass? (NCERT Exemplar)

1 Mark(s)

Your Answer:

A) Parallel venation and fibrous root A) Parallel venation and fibrous root
B) Parallel venation and tap root B) Parallel venation and tap root
C) Reticulate venation and fibrous root C) Reticulate venation and fibrous root
D) Reticulate venation and tap root D) Reticulate venation and tap root

How do you convert a string to lowercase in Java?

1 Mark(s)

Your Answer:

str.toLower() str.toLower()
str.toLowerCase() str.toLowerCase()
str.convertToLower() str.convertToLower()
str.makeLowerCase() str.makeLowerCase()

Which of the following is an abiotic component of a habitat?

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Your Answer:

A) Birds A) Birds
B) Water B) Water
C) Insects C) Insects
D) Trees D) Trees

How do you find the number of days between two Time objects in Ruby?

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Your Answer:

Use the difference method with the days option
Subtract one Time object from another Subtract one Time object from another
Use the delta method with the days option
None of the above None of the above

Arrays in object oriented language can be referred to as data storage:

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Your Answer:

constructs constructs
entities entities
collection collection
types types

Conditional statements are implemented/executed using:

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Your Answer:

Functions Functions
Relations Relations
Attributes Attributes
Controls Controls

In a set, the NOT IN connective tests for the:

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Your Answer:

Set differences Set differences
Absence of set differences Absence of set differences
Data set membership Data set membership
Absence of set membership Absence of set membership

Can a private virtual function be overridden?

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Your Answer:

Yes Yes
No No
Only if friend Only if friend
Compiler error Compiler error

Which command will delete the contents of NVRAM on a router?

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Your Answer:

delete NVRAM delete NVRAM
delete startup-config delete startup-config
erase NVRAM erase NVRAM
erase start erase start

In classful addressing, the smaller networks are called:

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Your Answer:

supernet supernet
linear net linear net
subnet subnet
multinet multinet

The gas that has second highest percentage in air is:

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Your Answer:

carbon dioxide carbon dioxide
argon argon
oxygen oxygen
nitrogen nitrogen

Which step is followed to view Purchase Register

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Your Answer:

Gateway of Tally > Display > Sales Register
Gateway of Tally > Account Books > Sales Register
Gateway of Tally > Display > Account Books > Purchase Register
None of these None of these

Modem stands for:

1 Mark(s)

Your Answer:

Modulator Demodulator Modulator Demodulator
Mobile Demodulator Mobile Demodulator
Modern Demodulator Modern Demodulator
Motion Demodulator Motion Demodulator

The effects of photon energy are manifestated in:

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Your Answer:

dark region dark region
light region light region
invisible region invisible region
visible region visible region

Windows explorer program are:

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Your Answer:

command line interface command line interface
graphical user interface graphical user interface
batch interface batch interface
device interface device interface

All of the following are top-level computer domains except:

1 Mark(s)

Your Answer:

.edu .edu
.org .org
.gov .gov
.army .army

Transformation of a system from one representational form to another is known as________________?

1 Mark(s)

Your Answer:

Re-factoring Re-factoring
Restructuring Restructuring
Forward engineering Forward engineering
Both Re-factoring and Restructuring Both Re-factoring and Restructuring

Which language is used to create web documents?

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Your Answer:

PHP PHP
JavaScript JavaScript
HTML HTML
J-Query J-Query

Which symbol terminates a statement in C/C++/Java?

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Your Answer:

; ;
: :
. .
, ,

In MS Word, Key Tips appear whenever you press the:

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Your Answer:

Ctrl key Ctrl key
Alt key Alt key
Shift key Shift key
Tab key Tab key

Which ASP.NET control is used to display data in a tabular format?

1 Mark(s)

Your Answer:

CheckBoxList CheckBoxList
Repeater Repeater
GridView GridView
DropDownList DropDownList

In monitor, the local data variables accessible only by:

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Your Answer:

Procedures Procedures
Monitor's Procedures Monitor's Procedures
Monitor Monitor
None None

What is the primary use of a B-Tree in databases and file systems?

1 Mark(s)

Your Answer:

To maintain sorted data with efficient insertion and deletion operations.
To perform quick sorting operations. To perform quick sorting operations.
To minimize data retrieval time. To minimize data retrieval time.
To provide efficient key hashing. To provide efficient key hashing.

Storage capacity of magnetic disk depends on _________?

1 Mark(s)

Your Answer:

Tracks per inch of surface Tracks per inch of surface
Bits per inch of tracks Bits per inch of tracks
Disk pack in disk surface Disk pack in disk surface
All of above All of above

Which of the following protocol pushes email messages to the server?

1 Mark(s)

Your Answer:

HTTP HTTP
SMTP SMTP
POP POP
IP Address IP Address

A technique which is used to desalinate water, is:

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Your Answer:

reverse osmosis reverse osmosis
distillation distillation
filtration filtration
heating heating

What is the result of the expression abs(-7.5) in C?

1 Mark(s)

Your Answer:

-7.5 -7.5
7.5 7.5
7 7
Error Error

Simple Network Management Protocol (SNMP) is responsible for creating a message, called a:

1 Mark(s)

Your Answer:

GetRequest message GetRequest message
encoded message encoded message
senders display message senders display message
all of them all of them

If int a=1, *p=&a, **q=&p; what does *q store?

1 Mark(s)

Your Answer:

Address of a Address of a
Value of a Value of a
Address of p Address of p
Garbage Garbage

What is the purpose of a setup block in MiniTest?

1 Mark(s)

Your Answer:

Executes code after each test case Executes code after each test case
Executes code before all test cases Executes code before all test cases
Executes code after all test cases Executes code after all test cases
Executes code before each test case Executes code before each test case

Which keyword is used to define a structure in C++?

1 Mark(s)

Your Answer:

typedef typedef
struct struct
union union
None of the above None of the above

Which of the following is a group of one or more attributes that uniquely identifies a row?

1 Mark(s)

Your Answer:

Key Key
Determinant Determinant
Tuple Tuple
Relation Relation

How many colors are there in the rainbow?

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Your Answer:

Five Five
Six Six
Seven Seven
Eight Eight

Command which is used to clear the screen is:

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Your Answer:

cls cls
clear clear
clscreen clscreen
clearscreen clearscreen

Which of the following shortcuts can be used to indent paragraphs in MS word documents?

1 Mark(s)

Your Answer:

Ctrl + I Ctrl + I
Ctrl + T Ctrl + T
Ctrl + M Ctrl + M
Ctrl + L Ctrl + L
None of these None of these

Which of the following is the Web application equivalent to querySelectorAll()?

1 Mark(s)

Your Answer:

#() #()
&() &()
$() $()
None of the mentioned None of the mentioned

A collection of related data is called ____?

1 Mark(s)

Your Answer:

Database Database
Software Software
Hardware Hardware
None of these None of these

Which of the following is not regression test case ?

1 Mark(s)

Your Answer:

A representative sample of tests that will exercise all software functions
Additional tests that focus on software functions that are likely to be affected by the change
Tests that focus on the software components that have been changed
Low-level components are combined into clusters that perform a specific software sub-function

The implicit return type of a constructor is

1 Mark(s)

Your Answer:

void void
A class object in which it is defined. A class object in which it is defined.
There is no return type. There is no return type.
None of the above None of the above

Match the energy conversions with their applications: Column A Column B (i) Electrical to Mechanical (p) Battery in a mobile phone (ii) Chemical to Electrical (q) Solar panels (iii) Solar to Electrical (r) Loudspeaker (iv) Mechanical to Sound (s) Electric fan

1 Mark(s)

Your Answer:

A) (i) – (p), (ii) – (q), (iii) – (r), (iv) – (s)
B) (i) – (s), (ii) – (p), (iii) – (q), (iv) – (r)
C) (i) – (q), (ii) – (r), (iii) – (s), (iv) – (p)
D) (i) – (r), (ii) – (s), (iii) – (p), (iv) – (q) (i) – (s), (ii) – (p), (iii) – (q), (iv) – (r) Column A Column B (i) Electrical to Mechanical (s) Electric fan (ii) Chemical to Electrical (p) Battery in a mobile phone (iii) Solar to Electrical (q) Solar panels (iv) Mechanical to Sound (r) Loudspeaker

Inclination of Mars to earth's orbit is:

1 Mark(s)

Your Answer:

7.00° 7.00°
1.30° 1.30°
1.85° 1.85°
3.39° 3.39°

Which of the following can contain both abstract and non-abstract methods?

1 Mark(s)

Your Answer:

Abstract class Abstract class
Interface Interface
Concrete class Concrete class
Static class Static class

What is the purpose of the barplot() function in R?

1 Mark(s)

Your Answer:

Creates a bar plot for a categorical variable
Generates random bars in a plot Generates random bars in a plot
Plots a probability distribution function
Computes the mean and standard deviation of a variable

Plants depend on animals and animals depend on plant hence they are called:

1 Mark(s)

Your Answer:

interdependent interdependent
interlinked interlinked
linked linked
functional functional

Which of the following allows user to view a webpage?

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Your Answer:

Operating System Operating System
Website Website
Interpreter Interpreter
Internet Browser Internet Browser

Mean distance from Sun to Earth is:

1 Mark(s)

Your Answer:

150x106 Km 150x106 Km
228x106 Km 228x106 Km
57.9x106 Km 57.9x106 Km
108x106 Km 108x106 Km

In Synchronous Optical Networking (SONET), all clocks in the network are locked to achieve:

1 Mark(s)

Your Answer:

data handling data handling
packets handling packets handling
synchronization synchronization
error handling error handling

What is a 'Materialized View'?

1 Mark(s)

Your Answer:

Physically stored view Physically stored view
Virtual view Virtual view
A backup A backup
A temporary table A temporary table

In a binary tree, what is the term for the node with no children?

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Your Answer:

Root Root
Leaf Leaf
Parent Parent
Sibling Sibling

The . . . . . . . . codec uses Google's Snappy compression library.

1 Mark(s)

Your Answer:

null null
snappy snappy
deflate deflate
none of the mentioned none of the mentioned

How does linear probing handle collisions in a hash table?

1 Mark(s)

Your Answer:

By chaining elements in a linked list. By chaining elements in a linked list.
By searching sequentially for the next available slot.
By quadratic probing. By quadratic probing.
By chaining elements in a linked list. By chaining elements in a linked list.

What is the correct syntax for referring to an external script called 'app.js'?

1 Mark(s)

Your Answer:

Evaluating Your Answers

Kotlin Mock Test 2 : Question 1 of 76