Kotlin Mock Test 9 - Online MCQ Exam

How does Hadoop support encryption in transit for data transmitted between nodes in a cluster?

1 Mark(s)

Your Answer:

Running Hadoop in an open network mode Running Hadoop in an open network mode
Increasing the block size in HDFS Increasing the block size in HDFS
Disabling encryption for Hadoop nodes Disabling encryption for Hadoop nodes
Enabling SSL/TLS for communication Enabling SSL/TLS for communication

How do you wrap the text in a cell?

1 Mark(s)

Your Answer:

Format, cells, font Format, cells, font
Format, cells, protection Format, cells, protection
Format, cells, number Format, cells, number
Format, cells, alignment Format, cells, alignment

How to duplicate values in cell range in Excel 2016?

1 Mark(s)

Your Answer:

Click the conditional formatting button in the styles group of the theme
Select the range of cell in the work sheet
Both A and B Both A and B
None of these None of these

CPU includes all of the following components except:

1 Mark(s)

Your Answer:

primary storage primary storage
ALU ALU
CU CU
register register

Threshing is done by

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Your Answer:

A) beating A) beating
B) bullocks B) bullocks
C) machines C) machines
D) all of these D) all of these

Which phase of the compiler is also known as Scanner?

1 Mark(s)

Your Answer:

Syntax Analysis Syntax Analysis
Lexical Analysis Lexical Analysis
Semantic Analysis Semantic Analysis
Code generation Code generation

What is an advantage of using generators for large datasets?

1 Mark(s)

Your Answer:

They use more memory They use more memory
They are slower than loops They are slower than loops
They are easier to implement They are easier to implement
They use less memory They use less memory

How do you create a faceted scatter plot in ggplot2 for two categorical variables facet1 and facet2?

1 Mark(s)

Your Answer:

facet_grid(facet1 ~ facet2) facet_grid(facet1 ~ facet2)
geom_facet_scatter(facet1, facet2) geom_facet_scatter(facet1, facet2)
facet_wrap(~facet1 + facet2) facet_wrap(~facet1 + facet2)
scatter_facet(facet1, facet2) scatter_facet(facet1, facet2)

While communication, data to be transmitted over some channel must be converted into:

1 Mark(s)

Your Answer:

Radio signals Radio signals
Electromagnetic signals Electromagnetic signals
Analog signals Analog signals
Magnetic signals Magnetic signals

Mud, water and other substances form:

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Your Answer:

mud mud
clay clay
sand sand
cement cement

: In which of the following scenarios is a one-dimensional array preferred over other data structures?

1 Mark(s)

Your Answer:

When you need dynamic resizing When you need dynamic resizing
When you need fast random access to elements
When you need to store key-value pairs When you need to store key-value pairs
When you need a Last-In-First-Out (LIFO) data structure

What will be the output of the following Java code? import java.io.*; class files { public static void main(String args[]) { File obj = new File("/java/system"); System.out.print(obj.getName()); } }

1 Mark(s)

Your Answer:

java java
system system
java/system java/system
/java/system /java/system

Computer device which is similar to mouse is:

1 Mark(s)

Your Answer:

joystick joystick
keyboard keyboard
trackball trackball
barcode reader barcode reader

What will be the output of the following C++ code? #include <iostream> #include <string> #include <cstdlib> using namespace std; class A { int a; public: A(){} }; class B: public A { int b; public: B(){} }; void func1() { B b; throw b; } void func2() { A a; throw a; } int main() { try{ func1(); } catch(...){ cout<<"Caught All types of exceptions\n"; } try{ func2(); } catch(B b){ cout<<"Caught All types of exceptions\n"; } }

1 Mark(s)

Your Answer:

Caught All types of exceptions Caught All types of exceptions
Caught All types of exceptions Aborted (core dumped)
Error Error
Caught All types of exceptions Caught All types of exceptions

The docx file contain which MS office file?

1 Mark(s)

Your Answer:

MS Office Word MS Office Word
MS Office Excel MS Office Excel
MS Office Powerpoint MS Office Powerpoint
MS Office Acess Answer MS Office Acess Answer

Can we use linq to query against a DataTable?

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Your Answer:

Yes Yes
No No
Either Yes or No Either Yes or No
None of the mentioned None of the mentioned

If a recursive method does not have a base case then:

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Your Answer:

an infinite loop condition occurs an infinite loop condition occurs
System gets hanged System gets hanged
After 10000 executions program will be automatically stopped.
the desired output will never be shown the desired output will never be shown

What does the `include?` method do when used with strings in Ruby?

1 Mark(s)

Your Answer:

Checks if a substring exists in the string
Checks if a character exists in the string
Checks if the string includes another string
Error Error

Default printer mode is:?

1 Mark(s)

Your Answer:

Landscape mode Printer Landscape mode Printer
Portrait mode Printer Portrait mode Printer
Wide mode Printer Wide mode Printer
None of these Answer None of these Answer

Which protocol is used to send email?

1 Mark(s)

Your Answer:

SMTP SMTP
POP3 POP3
IMAP IMAP
HTTP HTTP

What is the S.I unit of frequency of the sound wave?

1 Mark(s)

Your Answer:

Eta Eta
Lambda Lambda
Hertz Hertz
Pi Pi

How does the limits.h header file can be represented in C++?

1 Mark(s)

Your Answer:

limits limits
limit limit
climits climits
dlimits dlimits

Winding of machine is used for making:

1 Mark(s)

Your Answer:

packages packages
skeins skeins
dyed yarn dyed yarn
cotton cotton

What are Container Adaptors?

1 Mark(s)

Your Answer:

Containers that implements data structures which can be accessed sequentially
Containers that implements sorted data structures for fast search in O(logn)
Containers that implements unsorted(hashed) data structures for quick search in O(1)
Containers that provide a different interface for sequential containers

What will be the output of the following Java code snippet run as $ java Demo -length 512 -breadth 2 -h 3? class Demo { @Parameter(names={"--length"}) int length; @Parameter(names={"--breadth"}) int breadth; @Parameter(names={"--height","-h"}) int height; public static void main(String args[]) { Demo demo = new Demo(); new JCommander(demo, args); demo.run(); } public void run() { System.out.println(length+" "+ breadth+" "+height); } }

1 Mark(s)

Your Answer:

2 512 3 2 512 3
2 2 3 2 2 3
512 2 3 512 2 3
512 512 3 512 512 3

A general-purpose program can connect to and communicate with a database server using a collection of:

1 Mark(s)

Your Answer:

Variables Variables
Schemas Schemas
Models Models
Methods Methods

I/O manager provides a framework through which I/O devices are accessible to:

1 Mark(s)

Your Answer:

Computer Computer
Memory Memory
Application Application
Users Users

What does the character class `[0-9]` match in a regular expression?

1 Mark(s)

Your Answer:

Any lowercase letter Any lowercase letter
Any digit Any digit
Any special character Any special character
None of These None of These

DVI stands for ________?

1 Mark(s)

Your Answer:

Digital Video Internet Digital Video Internet
Digital Video Interface Digital Video Interface
Disc Video Interface Disc Video Interface
Disc Video Internet Disc Video Internet

Basic unit of computer is:

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Your Answer:

ALU ALU
CU CU
I/O unit I/O unit
all of these all of these

Social Engineering attacks exploit:

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Your Answer:

Human psychology Human psychology
Software bugs Software bugs
Hardware faults Hardware faults
Network speed Network speed

The video device with reduced volume, power consumption and weight is -

1 Mark(s)

Your Answer:

CRT CRT
Flat-panel display Flat-panel display
Portable display Portable display
None of the above None of the above

What will be the output of the following C code? #include <stdio.h> void main() { int a = 5 * 3 % 6 - 8 + 3; printf("%d", a); }

1 Mark(s)

Your Answer:

10 10
2 2
-2 -2
-3 -3

Monitor is a type of:

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Your Answer:

semaphore semaphore
low level synchronization low level synchronization
high level synchronization high level synchronization
CRT CRT

A link local address of the local addresses is used in an:

1 Mark(s)

Your Answer:

isolated router isolated router
subnets subnets
isolated subnet isolated subnet
supernets supernets

In Java Networking, what is the purpose of the `HttpURLConnection` class?

1 Mark(s)

Your Answer:

To establish a secure socket connection To establish a secure socket connection
To handle FTP file transfers To handle FTP file transfers
To serialize objects over HTTP To serialize objects over HTTP
To perform HTTP network operations To perform HTTP network operations

Relations are also used for the representation of:

1 Mark(s)

Your Answer:

Hierarchies Hierarchies
Domains Domains
Structures Structures
Modules Modules

Which type of entity represents a logical generalization whose actual occurrence is represented by a second, associated entity?

1 Mark(s)

Your Answer:

Supertype entity Supertype entity
Subtype entity Subtype entity
Archetype entity Archetype entity
Instance entity Instance entity

The largest professional engineering society in the world is:

1 Mark(s)

Your Answer:

American National Standards Institute American National Standards Institute
Electronic Industries Association Electronic Industries Association
Institute of Electrical and Electronics Engineers
International Organization for Standardization

What happens if you try to open a file that does not exist in C++ without specifying any flags?

1 Mark(s)

Your Answer:

The file will be created The file will be created
An error will occur An error will occur
The program will wait indefinitely The program will wait indefinitely
The file will be opened in read mode The file will be opened in read mode

What will be the output of the following C code? #include <stdio.h> void main() { int a[3] = {1, 2, 3}; int *p = a; printf("%p\t%p", p, a); }

1 Mark(s)

Your Answer:

Same address is printed Same address is printed
Different address is printed Different address is printed
Compile time error Compile time error
Nothing Nothing

What will be the output of the following C code? #include<stdio.h> #define hello main() { #ifdef hello #define hi 4 #else #define hi 5 #endif printf("%d",hi); }

1 Mark(s)

Your Answer:

4 4
5 5
45 45
error error

In Excel, the Fill Color button on the Formatting toolbar is used for what?

1 Mark(s)

Your Answer:

To insert a background To insert a background
To add borders To add borders
To select a distribution of figures To select a distribution of figures
To add shading or color to a cell range To add shading or color to a cell range

In Oozie, what is the primary function of the Oozie Bundle Application Coordinator?

1 Mark(s)

Your Answer:

Perform data analytics in Hadoop Perform data analytics in Hadoop
Manage computation resources Manage computation resources
Execute MapReduce jobs Execute MapReduce jobs
Define and manage a bundle of coordinated workflows

Createprocess() of the operating system program is used for:

1 Mark(s)

Your Answer:

creation creation
designing designing
deletion deletion
restoration restoration

Progress bars are not supported in . . . . . . . .

1 Mark(s)

Your Answer:

Internet Explorer 10 Internet Explorer 10
Internet Explorer 9 Internet Explorer 9
Opera Opera
Chrome Chrome

Increased sensitivity in scanning electron microscopy has resulted in:

1 Mark(s)

Your Answer:

reduced exposure time reduced exposure time
limited radiation damage limited radiation damage
both a and b both a and b
increased radiation damage increased radiation damage

What will be the output of the following C# code snippet? class Program { static void Main(string[] args) { String s = "Hello World"; int i = s.IndexOf('o'); int j = s.LastIndexOf('l'); Console.WriteLine(i + " " + j); Console.ReadLine(); } }

1 Mark(s)

Your Answer:

9 5 9 5
4 9 4 9
9 0 9 0
9 4 9 4

What will be the output of the following Python code snippet? for i in 'abcd'[::-1]: print (i)

1 Mark(s)

Your Answer:

a b c d a b c d
d c b a d c b a
error error
none of the mentioned none of the mentioned

What is the shortcut key to replace a data with another in sheet?

1 Mark(s)

Your Answer:

Ctrl + R Ctrl + R
Ctrl + Shift + R Ctrl + Shift + R
Ctrl + H Ctrl + H
Ctrl + F Ctrl + F

What is used in bread-making to make it soft and fluffy?

1 Mark(s)

Your Answer:

A) Sugar A) Sugar
B) Salt B) Salt
C) Yeast C) Yeast
D) Vinegar D) Vinegar

Which of the following is the Color Format that is a defined using the keyword rgb, followed by three numbers between 0 and 255, contained in parentheses and separated by commas, with no spaces between them.

1 Mark(s)

Your Answer:

HSLa Color HSLa Color
HSL Color HSL Color
RGBa Color RGBa Color
RGB Color RGB Color

JavaScript is ideal to

1 Mark(s)

Your Answer:

make computations in HTML simpler make computations in HTML simpler
minimize storage requirements on the web server
increase the download time for the client
none of the mentioned none of the mentioned

Which method retrieves periodic updates about the current geographic location of the device.

1 Mark(s)

Your Answer:

getCurrentPosition() getCurrentPosition()
watchPosition() watchPosition()
clearWatch() clearWatch()
All the mentioned above All the mentioned above

In MS Excel 2016, _____ function is used to return the number of days between two dates based on a 360 day year.

1 Mark(s)

Your Answer:

DATE () DATE ()
DAYS () DAYS ()
DAYS360 () DAYS360 ()
None of these None of these

What will be the output of the following C code? #include <stdio.h> void main() { static int x; if (x++

1 Mark(s)

Your Answer:

Infinite calls to main Infinite calls to main
Run time error Run time error
Varies Varies
main is called twice main is called twice

How can the value of recently generated sequence number be obtained?

1 Mark(s)

Your Answer:

LAST_INSERT_ID() LAST_INSERT_ID()
LATEST_INSERT_ID() LATEST_INSERT_ID()
INITIAL_INSERT_ID() INITIAL_INSERT_ID()
INSERT_ID() INSERT_ID()

What will be the output of the following C function? #include <stdio.h> enum birds {SPARROW, PEACOCK, PARROT}; enum animals {TIGER = 8, LION, RABBIT, ZEBRA}; int main() { enum birds m = TIGER; int k; k = m; printf("%d\n", k); return 0; }

1 Mark(s)

Your Answer:

0 0
Compile time error Compile time error
1 1
8 8

How are the constants declared?

1 Mark(s)

Your Answer:

const keyword const keyword
#define preprocessor #define preprocessor
both const keyword and #define preprocessor
$define $define

In the function malloc(), each byte of allocated space is initialized to zero.

1 Mark(s)

Your Answer:

True True
False False

What the the first page of a website is called?

1 Mark(s)

Your Answer:

First Page First Page
New Page New Page
Screen Page Screen Page
Home Page Home Page

What will be the output of the following R code? > x <- 1:4 > y <- 6:9 > z <- x + y > z

1 Mark(s)

Your Answer:

7 9 11 13 7 9 11 13
7 9 11 13 14 7 9 11 13 14
9 7 11 13 9 7 11 13
NULL NULL

Which of the following is not true regarding computer aided manufacturing?

1 Mark(s)

Your Answer:

it is used in inflexible manufacturing it is used in inflexible manufacturing
it improves the efficiency of manufacturing process
it reduces the time needed to set up machines
it makes it possible for a company to respond to a customer's unique need

A key:

1 Mark(s)

Your Answer:

must always be composed of two or more columns.
can only be one column. can only be one column.
identifies a row. identifies a row.
identifies a column. identifies a column.

An idealized mathematical model of a pendulum is:

1 Mark(s)

Your Answer:

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

The operations of error control, flow control, access control are managed by:

1 Mark(s)

Your Answer:

Network layer Network layer
Physical layer Physical layer
Data-link layer Data-link layer
Transport layer Transport layer

Evaluating Your Answers

Kotlin Mock Test 9 : Question 1 of 66