Web Development Mock Test 7

Which loops will execute the body of loop even when condition controlling the loop is initially false in java?

1 Mark(s)

Your Answer:

do-while do-while
while while
for for
All of these Answer All of these Answer

Which function displays a dialog box that prompts the visitor for input?

1 Mark(s)

Your Answer:

alert() alert()
prompt() prompt()
confirm() confirm()
input() input()

Which HTML element represents the footer of a document or section?

1 Mark(s)

Your Answer:

Which data type value is returned by all transcendental math functions?

1 Mark(s)

Your Answer:

int int
float float
double double
long long

Syntax for declaration and initialization of data variable is?

1 Mark(s)

Your Answer:

<data type><var_name> = <Value>; <data type><var_name> = <Value>;
<data type><var_name>; <data type><var_name>;
<var_name><data type>; <var_name><data type>;
<var_name> = <value>; <var_name> = <value>;

What will be the output of the following Python code? class A: def __init__(self, x= 1): self.x = x class der(A): def __init__(self,y = 2): super().__init__() self.y = y def main(): obj = der() print(obj.x, obj.y) main()

1 Mark(s)

Your Answer:

Error, the syntax of the invoking method is wrong
The program runs fine but nothing is printed
1 0 1 0
1 2 1 2

The maximum size of payload field in the baseband layer is:

1 Mark(s)

Your Answer:

2244 bits 2244 bits
2664 bits 2664 bits
2774 bits 2774 bits
2884 bits 2884 bits

What is the time complexity to insert a node based on key in a priority queue?

1 Mark(s)

Your Answer:

O(nlogn) O(nlogn)
O(logn) O(logn)
O(n) O(n)
O(n2) O(n2)

The term "DFD" stands for?

1 Mark(s)

Your Answer:

Data file diagram Data file diagram
Data flow document Data flow document
Data flow diagram Data flow diagram
None of the above None of the above

End menu is available at which button?

1 Mark(s)

Your Answer:

End End
Start Start
Turn off Turn off
Restart Restart
Reboot Reboot

How many functions does PHP offer for searching and modifying strings using Perl-compatible regular expressions.

1 Mark(s)

Your Answer:

7 7
8 8
9 9
10 10

Hyper Text Transfer Protocol (HTTP) support:

1 Mark(s)

Your Answer:

proxy domain proxy domain
proxy documents proxy documents
proxy server proxy server
proxy ip proxy ip

Using science and technology damaged caused by natural disasters like hurricane, earthquakes can be:

1 Mark(s)

Your Answer:

prevented prevented
reduced reduced
enhanced enhanced
raised raised

A force which opposes motion when two surfaces are in contact is called:

1 Mark(s)

Your Answer:

thrust thrust
air resistance air resistance
gravitational force gravitational force
frictional force frictional force

The part of ear that directs sound waves towards the external auditory unit is known as:

1 Mark(s)

Your Answer:

pinna pinna
ear lobe ear lobe
ear canal ear canal
ear drum ear drum

Any change that causes an organism to react is known as:

1 Mark(s)

Your Answer:

stimulus stimulus
sensor sensor
reflex reflex
sense sense

Which key is used for find in excel?

1 Mark(s)

Your Answer:

CTRL+C CTRL+C
CTRL+F CTRL+F
ALT+SHIFT+D ALT+SHIFT+D
ALT+SHIFT+F ALT+SHIFT+F

What is the correct syntax for a multiline comment in Ruby?

1 Mark(s)

Your Answer:

/* ... */ /* ... */
// ... // // ... //
''' ... ''' ''' ... '''
# ... # # ... #

Plant products like timber, rubber, herbs, medicines resin and oils are derived from:

1 Mark(s)

Your Answer:

respiration respiration
photosynthesis photosynthesis
processing processing
transpiration transpiration

We can show Bill wise details of Debtors and Creditors by activating

1 Mark(s)

Your Answer:

Maintain Bill by bill Maintain Bill by bill
Maintain Bill wise Details Maintain Bill wise Details
Maintain References Maintain References
None of these None of these

Garden is generally a habitat for:

1 Mark(s)

Your Answer:

hibiscus hibiscus
snail snail
mushroom mushroom
all of them all of them

The protective layer that covers the dermis is known as:

1 Mark(s)

Your Answer:

epidermis epidermis
epithelial epithelial
muscle muscle
nerve nerve

If you need to remove only the formatting done in a range (numbers and formula typed there should not be removed), you must

1 Mark(s)

Your Answer:

From Edit menu choose Clear and then Formats
From Edit menu choose Delete From Edit menu choose Delete
Click on Remove Formatting tool on Standard Toolbar
Double click the Format Painter and then press Esc key in keyboard

Which tool you will use to join some cells and place the content at the middle of joined cell?

1 Mark(s)

Your Answer:

From Format Cells dialog box click on Merge Cells check box
From Format Cells dialog box select the Centered alignment
From Format Cells dialog box choose Merge and Center check box
Click on Merge and Center tool on formatting toolbar

What is the time complexity for converting decimal to binary numbers?

1 Mark(s)

Your Answer:

O(1) O(1)
O(n) O(n)
O(logn) O(logn)
O(nlogn) O(nlogn)

The 'SI' unit for energy is:

1 Mark(s)

Your Answer:

watt watt
joule joule
newton newton
kilogram kilogram

An Excel Workbook is a collection of ________

1 Mark(s)

Your Answer:

Workbooks Workbooks
Worksheets Worksheets
Charts Charts
Worksheets and Charts Worksheets and Charts

CAM Stands for: __________?

1 Mark(s)

Your Answer:

Computer Aided Machine Computer Aided Machine
Computer Aided Manufacturing Computer Aided Manufacturing
Computer Automatic Machine Computer Automatic Machine
Computer Automatic Manufacturing Computer Automatic Manufacturing

The right outer join preserves tuples only in the relation named after the:

1 Mark(s)

Your Answer:

Right inner join operation Right inner join operation
Right outer join operation Right outer join operation
Left outer join operation Left outer join operation
Left inner join operation Left inner join operation

Computer which is powerful with faster processor, more memory and disk space in a computer network is called:

1 Mark(s)

Your Answer:

sender sender
receiver receiver
server server
client client

Multiplicity is the same as what concept for an ERD?

1 Mark(s)

Your Answer:

Relationship Relationship
Attribute Attribute
Entity Entity
Cardinality Cardinality

How does the Hadoop Fair Scheduler allocate resources among jobs in a fair manner?

1 Mark(s)

Your Answer:

Based on the configured weights for each job
Based on the job's input size Based on the job's input size
Based on the job's execution time Based on the job's execution time
Randomly assigns resources to jobs Randomly assigns resources to jobs

Which STL container is most efficient for frequent insertion/deletion in the middle?

1 Mark(s)

Your Answer:

vector vector
list list
deque deque
array array

What is the correct way to access members of a structure in C++?

1 Mark(s)

Your Answer:

Using the star operator Using the star operator
Using the double colon operator Using the double colon operator
Using the dot operator Using the dot operator
Using the arrow operator Using the arrow operator

The ratio of hydrogen and oxygen in water is

1 Mark(s)

Your Answer:

A) 2:1 A) 2:1
B) 1:2 B) 1:2
C) 1 : 1 C) 1 : 1
D) none of these D) none of these

At what time of the day relative humidity in the environment is at minimum?

1 Mark(s)

Your Answer:

When the air temperature is lowest When the air temperature is lowest
Before sunrise Before sunrise
Midnight Midnight
When the air temperature is higher When the air temperature is higher

Taking the instructor's relation into account, the integrity constraint ensures that no two instructors have the:

1 Mark(s)

Your Answer:

Same Instructor Name Same Instructor Name
Same Instructor course Same Instructor course
Same instructor ID Same instructor ID
No multiple transaction No multiple transaction

In NiFi, what is the role of the "ConsumeMQTT" processor?

1 Mark(s)

Your Answer:

Subscribe to an MQTT broker and ingest data
A storage format in Hadoop A storage format in Hadoop
A query language for Hadoop A query language for Hadoop
A distributed file system A distributed file system

What will be the output of the following C++ code? #include <iostream> using namespace std; int f(int p, int q) { if (p > q) return p; else return q; } main() { int a = 5, b = 10; int k; bool x = true; bool y = f(a, b); k =((a * b) + (x + y)); cout << k; }

1 Mark(s)

Your Answer:

55 55
62 62
52 52
75 75

What does the 'sizeof' operator in C return for a dynamically allocated array?

1 Mark(s)

Your Answer:

Size of a single element Size of a single element
Size of the entire array Size of the entire array
Size of the pointer Size of the pointer
Size of the first element Size of the first element

What will be the output of the following C code? #include <stdio.h> int main() { int x = 1; if (x > 0) printf("inside if\n"); else if (x > 0) printf("inside elseif\n"); }

1 Mark(s)

Your Answer:

inside if inside if
inside elseif inside elseif
inside if inside elseif inside if inside elseif
compile time error compile time error

Evaluating Your Answers

Web Development Mock Test 7 : Question 1 of 41