SQL and Databases Mock Test 11

Live streaming is still using Transmission Control Protocol (TCP) and multiple unicasting instead of:

1 Mark(s)

Your Answer:

unicasting unicasting
multicasting multicasting
layered control layered control
protocol control protocol control

What is the initial quantity of the ArrayList list?

1 Mark(s)

Your Answer:

5 5
10 10
0 0
100 100

Computer software which is also known as Off-the-shelf software is:

1 Mark(s)

Your Answer:

customized software customized software
package software package software
system software system software
utility program utility program

Portion of information processing cycle in which computer acquires data from some source is:

1 Mark(s)

Your Answer:

input input
output output
processing processing
storage storage

A boy pushes a lawn mower to a total distance of 125 m over the grass with a force of 60 N directed horizontally. How much work is done in joules by the boy?

1 Mark(s)

Your Answer:

A) +7500 A) +7500
B) -7500 B) -7500
C) +2.03 C) +2.03
D) -2.03 D) -2.03

Functionality of R is divided into a number of . . . . . . . .

1 Mark(s)

Your Answer:

Functions Functions
Domains Domains
Packages Packages
Files Files

Which of these is a wrapper around everything associated with a reply from an http server?

1 Mark(s)

Your Answer:

HTTP HTTP
HttpResponse HttpResponse
HttpRequest HttpRequest
httpserver httpserver

What will be the output of the following Java program? class leftshift_operator { public static void main(String args[]) { byte x = 64; int i; byte y; i = x

1 Mark(s)

Your Answer:

0 64 0 64
64 0 64 0
0 256 0 256
256 0 256 0

The 3R principle is in which of the following order:

1 Mark(s)

Your Answer:

Reduce, Reuse, Recycle Reduce, Reuse, Recycle
Reuse, Reduce, Recycle Reuse, Reduce, Recycle
Recycle, Reuse, Reduce, Recycle, Reuse, Reduce,
None of the above None of the above

Which of the following communicates with server-side CGI scripts through HTML form submissions and can be written without the use of JavaScript?

1 Mark(s)

Your Answer:

Static Web Pages Static Web Pages
Interactive Web Pages Interactive Web Pages
Conditional Web Pages Conditional Web Pages
None of the mentioned None of the mentioned

Melting point of Argon is:

1 Mark(s)

Your Answer:

−1894°C −1894°C
−185.8°C −185.8°C
1380°C 1380°C
838°C 838°C

Depending upon position of light source it can make shadow with different:

1 Mark(s)

Your Answer:

shapes shapes
colors colors
darkness darkness
brightness brightness

Asynchronous Transfer Mode (ATM) network is a:

1 Mark(s)

Your Answer:

beam network beam network
cell network cell network
package network package network
frame network frame network

Literals do not have identifiers, and, therefore, cannot be individually referenced like objects.

1 Mark(s)

Your Answer:

True True
False False

What will be the output of the following C++ code? #include <iostream> using namespace std; class base { int val1, val2; public: int get() { val1 = 100; val2 = 300; } friend float mean(base ob); }; float mean(base ob) { return float(ob.val1 + ob.val2) / 2; } int main() { base obj; obj.get(); cout << mean(obj); return 0; }

1 Mark(s)

Your Answer:

200 200
150 150
100 100
300 300

Which transformation moves an object?

1 Mark(s)

Your Answer:

Scaling Scaling
Translation Translation
Rotation Rotation
Reflection Reflection

What does the JS File return ?

1 Mark(s)

Your Answer:

File I/O File I/O
Minify JavaScript Minify JavaScript
HTTP Request HTTP Request
Gzip encoded Gzip encoded

Arrays can be used to store multiple values in one single variable.

1 Mark(s)

Your Answer:

True True
False False

Zero of Celsius scale is:

1 Mark(s)

Your Answer:

−18°C −18°C
20°C 20°C
0°C 0°C
−40°C −40°C

In Java EE applications, what does the `@Remote` annotation indicate?

1 Mark(s)

Your Answer:

To define JavaBean properties To define JavaBean properties
To execute SQL queries To execute SQL queries
To create JavaBeans To create JavaBeans
That a bean exposes a remote business interface

What is the purpose of the include keyword in Ruby classes?

1 Mark(s)

Your Answer:

To mix in methods from a module into a class
To define a new method To define a new method
To create a new instance To create a new instance
To inherit from another class To inherit from another class

Particles in a gas move:

1 Mark(s)

Your Answer:

A) Slowly in fixed positions A) Slowly in fixed positions
B) Randomly and rapidly in all directions
C) Not at all C) Not at all
D) Only in one direction D) Only in one direction

Some business rules cannot be represented in common data modeling notation.

1 Mark(s)

Your Answer:

True True
False False

What are 'keystone' species in an ecosystem?

1 Mark(s)

Your Answer:

The species whose elimination can seriously affect the ecosystem.
The species whose elimination can benefit the ecosystem.
The species whose elimination would not affect the ecosystem.
None of the above None of the above

Which of the tests is a final system test performed by end users using real data over an extended period of time ?

1 Mark(s)

Your Answer:

final test final test
complete test complete test
systems acceptance test systems acceptance test
parallel test parallel test

A 500 MB file compressed to 125 MB enjoys a compression ratio of:

1 Mark(s)

Your Answer:

2:01 2:01
3:01 3:01
4:01 4:01
5:01 5:01

Which of these classes is used for input and output operation when working with bytes?

1 Mark(s)

Your Answer:

InputStream InputStream
Reader Reader
Writer Writer
All of the mentioned All of the mentioned

Which of the following is NOT a benefit of using generators?

1 Mark(s)

Your Answer:

Improved memory efficiency Improved memory efficiency
Faster execution than loops Faster execution than loops
Easier debugging Easier debugging
Lazy evaluation Lazy evaluation

What will be the output of the following PHP code ? <?php $x = 10; $y = 5; $z = 3; if ($x / $y / $z) print "hi"; else print "hello"; ?>

1 Mark(s)

Your Answer:

hi hi
hello hello
error error
no output no output

The first version of Java (programming language) was released in the year___?

1 Mark(s)

Your Answer:

1971 1971
2009 2009
2004 2004
1995 1995
2011 2011

If no access modifier for a class is specified, then class accessibility is defined as?

1 Mark(s)

Your Answer:

public public
protected protected
private private
internal internal

What is 'inheritance'?

1 Mark(s)

Your Answer:

Acquiring properties Acquiring properties
Hiding data Hiding data
Polymorphism Polymorphism
Looping Looping

A huge collection of the information or data accumulated form several different sources is known as ________:

1 Mark(s)

Your Answer:

Data Management Data Management
Data Mining Data Mining
Data Warehouse Data Warehouse
Both B and C Both B and C

The java language is:

1 Mark(s)

Your Answer:

strong strong
not case-sensitive not case-sensitive
case sensitive case sensitive
web based web based

"Ctrl + I" shortcut is used by user to:

1 Mark(s)

Your Answer:

change selected text to be in Italics change selected text to be in Italics
change text in particle illusion change text in particle illusion
change selected text to be in elite change selected text to be in elite
change the Italic text in Arial change the Italic text in Arial

In the MapReduce programming model, what is the role of the Hadoop TaskTracker?

1 Mark(s)

Your Answer:

Manage resource allocation Manage resource allocation
Manage task execution in MapReduce jobs Manage task execution in MapReduce jobs
Manage HDFS metadata Manage HDFS metadata
Execute MapReduce jobs Execute MapReduce jobs

The function divmod(a,b), where both 'a' and 'b' are integers is evaluated as:

1 Mark(s)

Your Answer:

(a%b, a//b) (a%b, a//b)
(a//b, a%b) (a//b, a%b)
(a//b, a*b) (a//b, a*b)
(a/b, a%b) (a/b, a%b)

What is the output of the given code? array1 = [[1,2,3,4],[0,0,0,0]] array2 = [[1,2,3],[0,0,0]] print array1 && array2

1 Mark(s)

Your Answer:

[[1, 2, 3], [0, 0, 0]]. [[1, 2, 3], [0, 0, 0]].
[[1, 2, 3, 4], [0, 0, 0, 0], [1, 2, 3, 4], [0, 0, 0, 0]].
[]. [].
Error Error

What will be the output of the following PHP code? <?php $a = "clue"; $a .= "get"; echo "$a"; ?>

1 Mark(s)

Your Answer:

get get
true true
false false
clueget clueget

What event is raised when the user moves the mouse over a control in a Windows Forms Application?

1 Mark(s)

Your Answer:

MouseMove MouseMove
MouseHover MouseHover
MouseClick MouseClick
None of the above None of the above

Slide Transition done on _____?

1 Mark(s)

Your Answer:

New Slide New Slide
Current Slide Current Slide
Previous Slide Previous Slide
All of these All of these

Which of the following statements is true concerning JDBC?

1 Mark(s)

Your Answer:

It is language independent. It is language independent.
It is similar in concept to ODBC. It is similar in concept to ODBC.
It is useful for all object-oriented languages.
It consists of three main layers. It consists of three main layers.

Fastest impact printer is:

1 Mark(s)

Your Answer:

dot matrix printer dot matrix printer
line printer line printer
daisy wheel printer daisy wheel printer
drum printer drum printer

What does the browser do to set up a TCP/IP connection?

1 Mark(s)

Your Answer:

TCP one-way handshake TCP one-way handshake
TCP two-way handshake TCP two-way handshake
TCP three-way handshake TCP three-way handshake
None of the mentioned None of the mentioned

The nucleus in an atom consists of:

1 Mark(s)

Your Answer:

protons protons
neutrons neutrons
electrons electrons
both a and b both a and b

Which of these methods of class String is used to separate a substring from a String object?

1 Mark(s)

Your Answer:

substring() substring()
Substring() Substring()
SubString() SubString()
None of the mentioned None of the mentioned

Variations in the physical environment, such as temperature, light, and precipitation, depend upon the time of year, time of day, topography, and latitude is known as:

1 Mark(s)

Your Answer:

season season
climate climate
temperature temperature
weather weather

Paracrystals uniform disorder can be replaced by:

1 Mark(s)

Your Answer:

point defects point defects
defects defects
distributed point defects distributed point defects
distributed defects distributed defects

The place where the computer stores programs and data is called ______________________ ?

1 Mark(s)

Your Answer:

Memory Memory
Storehouse Storehouse
Storage unit Storage unit
Backup Backup

Evaluating Your Answers

SQL and Databases Mock Test 11 : Question 1 of 49