Web Development Mock Test 6

In a parallel circuit the resistance decreases with increase in number of:

1 Mark(s)

Your Answer:

resistors resistors
bulbs bulbs
circuit circuit
battery battery

Mass of Sun is:

1 Mark(s)

Your Answer:

1.99x1030 kg 1.99x1030 kg
7.36x1022 kg 7.36x1022 kg
5.98x1024 kg 5.98x1024 kg
1.90x1027 kg 1.90x1027 kg

Huffman Coding is a greedy algorithm used for?

1 Mark(s)

Your Answer:

Data Compression Data Compression
Encryption Encryption
Shortest Path Shortest Path
Sorting Sorting

What will be the output of the following Python code? count={} count[(1,2,4)] = 5 count[(4,2,1)] = 7 count[(1,2)] = 6 count[(4,2,1)] = 2 tot = 0 for i in count: tot=tot+count[i] print(len(count)+tot)

1 Mark(s)

Your Answer:

25 25
17 17
16 16
Tuples can't be made keys of a dictionary

The element that must be increased when we try to send more data to the network is known to be:

1 Mark(s)

Your Answer:

Throughput Throughput
Delay Delay
Reliability Reliability
Security Security

SELECT DISTINCT is used if a user wishes to see duplicate columns in a query.

1 Mark(s)

Your Answer:

True True
False False

Which one of the following statements is correct about the FIDM?

1 Mark(s)

Your Answer:

SAML have access control SAML have access control
It typically uses the Security Markup Language (SAML) for packaging the user's security credentials.
It describes the protocols and technologies.
All of the above All of the above

Which command will configure a switch port to use the IEEE standard method of inserting VLAN membership information into Ethernet frames?

1 Mark(s)

Your Answer:

Switch(config)# switchport trunk encapsulation isl
Switch(config)# switchport trunk encapsulation ietf
Switch(config)# switchport trunk encapsulation dot1q
Switch(config-if)# switchport trunk encapsulation isl
Switch(config-if)# switchport trunk encapsulation dot1q

What is the result of the expression 10 / 3 in Java?

1 Mark(s)

Your Answer:

3.3333 3.3333
3 3
3.1 3.1
4 4

What is the purpose of the ungroup() function in dplyr?

1 Mark(s)

Your Answer:

Retains the grouping of the data frame Retains the grouping of the data frame
Removes the grouping of the data frame Removes the grouping of the data frame
Unpacks nested data frames Unpacks nested data frames
Reorders the rows based on a specific column

. . . . . . . . function is responsible for consolidating the results produced by each of the Map() functions/tasks.

1 Mark(s)

Your Answer:

Reduce Reduce
Map Map
Reducer Reducer
All of the mentioned All of the mentioned

In Microsoft PowerPoint the entry effect as one slide replaces another in a show is called a (an)______________?

1 Mark(s)

Your Answer:

animation animation
slide transition slide transition
custom animation custom animation
preset animation preset animation

What is the maximum value that can be stored in a byte variable in Java?

1 Mark(s)

Your Answer:

127 127
255 255
32767 32767
64 64

Which of these is an correct way of defining generic method?

1 Mark(s)

Your Answer:

name(T1, T2, ..., Tn) { /* ... */ } name(T1, T2, ..., Tn) { /* ... */ }
public name { /* ... */ } public name { /* ... */ }
class name[T1, T2, ..., Tn] { /* ... */ }
name{T1, T2, ..., Tn} { /* ... */ } name{T1, T2, ..., Tn} { /* ... */ }

Which of the following is a disadvantage of using separate chaining using linked lists?

1 Mark(s)

Your Answer:

It requires many pointers It requires many pointers
It requires linked lists It requires linked lists
It uses array It uses array
It does not resolve collision It does not resolve collision

Start and stop bits are used in serial communication for

1 Mark(s)

Your Answer:

Error detection Error detection
Error correction Error correction
Synchronization Synchronization
Slowing down the communication Slowing down the communication

When does method overloading is determined?

1 Mark(s)

Your Answer:

At run time At run time
At compile time At compile time
At coding time At coding time
At execution time At execution time

Consider the following program fragment: for(c=1, sum=0; c

1 Mark(s)

Your Answer:

-5 -5
30 30
10 10
1 1
15 15

In Stream Control Transmission Protocol (SCTP), when a packet is sent, a retransmission timer starts for the:

1 Mark(s)

Your Answer:

variable variable
path path
packet packet
segment segment

Thermal conductivity of Brass is equals to:

1 Mark(s)

Your Answer:

67 k(W/m.K) 67 k(W/m.K)
35 k(W/m.K) 35 k(W/m.K)
109 k(W/m.K) 109 k(W/m.K)
14 k(W/m.K) 14 k(W/m.K)

Number of degrees of freedom in transnational kinetic energy of diatomic gas molecule is:

1 Mark(s)

Your Answer:

0 0
2 2
3 3
5 5

Which of the following in Object Oriented Programming is supported by Function overloading and default arguments features of C++.

1 Mark(s)

Your Answer:

Inheritance Inheritance
Encapsulation Encapsulation
None of the above None of the above

Operating system which is expected to dominate the server market is:

1 Mark(s)

Your Answer:

Windows 2003 Windows 2003
Linux Linux
Novell Novell
SuSE SuSE

What will be the output of the following C++ code? #include <iostream> #include <exception> using namespace std; class myexc: public exception { virtual const char* what() const throw() { return "My exception"; } } myex; int main () { try { throw myex; } catch (exception& e) { cout << e.what() << endl; } return 0; }

1 Mark(s)

Your Answer:

My My
My exception My exception
No exception No exception
exception exception

Which method is invoked when an undefined property is accessed ?

1 Mark(s)

Your Answer:

__get() __get()
__isset() __isset()
__unset() __unset()
__undefined() __undefined()

Which of the following CSS3 property specifies the sequential navigation order for an element?

1 Mark(s)

Your Answer:

nav nav
class class
nav-index nav-index
class-index class-index

What is the size of a float variable in Java?

1 Mark(s)

Your Answer:

4 bytes 4 bytes
8 bytes 8 bytes
2 bytes 2 bytes
16 bytes 16 bytes

What will be the output of the following PHP code ? <?php for ($x = 0; $x 10; print ++$x) { print ++$x; } ?>

1 Mark(s)

Your Answer:

123456789101112 123456789101112
12345678910 12345678910
1234567891011 1234567891011
infinite loop infinite loop

Classification and comparison of motion is called:

1 Mark(s)

Your Answer:

electronics electronics
mechanics mechanics
kinematics kinematics
magnetic magnetic

Enhanced quantitative information on diffraction pattern is given by:

1 Mark(s)

Your Answer:

array of detectors array of detectors
light spectrum light spectrum
light scattering light scattering
light array light array

A connectionless transport layer treats each segment as a:

1 Mark(s)

Your Answer:

simple data frame simple data frame
IP data frame IP data frame
framed packet framed packet
independent packet independent packet

Can suffix tree be used in bioinformatics problems and solutions.

1 Mark(s)

Your Answer:

True True
False False

Which of the following methods is used to determine whether the specified file exists in C#?

1 Mark(s)

Your Answer:

File.Ensure() File.Ensure()
File.Verify() File.Verify()
File.Exists() File.Exists()
File.Check() File.Check()

What will be the output of the following C++ code? #include <iostream> #include <string> using namespace std; namespace { int var = 10; } int main() { cout<<var; }

1 Mark(s)

Your Answer:

10 10
Error Error
Some garbage value Some garbage value
Nothing but program runs perfectly Nothing but program runs perfectly

This the right way to comment a single line. “Ruby”.length # I’m a single line comment!

1 Mark(s)

Your Answer:

True True
False False

A mobile computer can move from one physical network to another, resulting in a change in its:

1 Mark(s)

Your Answer:

physical address physical address
logical address logical address
datatype address datatype address
header address header address

What will be the output of the following C# code? class maths { static maths() { int s = 8; Console.WriteLine(s); } public maths(int f) { int h = 10; Console.WriteLine(h); } } class Program { static void Main(string[] args) { maths p = new maths(0); Console.ReadLine(); } }

1 Mark(s)

Your Answer:

10, 10 10, 10
0, 10 0, 10
8, 10 8, 10
8, 8 8, 8

Block coding is normally referred to as mBlnB coding; it replaces each m-bit group with an:

1 Mark(s)

Your Answer:

n-bit group n-bit group
n-1 bit group n-1 bit group
n+1 bit group n+1 bit group
none none

The size of blobs are generally calculated in

1 Mark(s)

Your Answer:

Meters Meters
Kilometers Kilometers
Bytes Bytes
Pixels Pixels

The movement of matter and energy between living and non-living components is called

1 Mark(s)

Your Answer:

A) water cycle A) water cycle
B) energy flow B) energy flow
C) biogeochemical cycle C) biogeochemical cycle
D) weather cycle. D) weather cycle.

What will be the output of the following Python function? divmod(10.5,5) divmod(2.4,1.2)

1 Mark(s)

Your Answer:

(2.00, 0.50) (2.00, 0.00) (2.00, 0.50) (2.00, 0.00)
(2, 0.5) (2, 0) (2, 0.5) (2, 0)
(2.0, 0.5) (2.0, 0.0) (2.0, 0.5) (2.0, 0.0)
(2, 0.5) (2) (2, 0.5) (2)

For examining the microscope slides, the power objective should be:

1 Mark(s)

Your Answer:

low low
high high
doesn't matter doesn't matter
constant constant

When a language has capability to produce new data types, it is said to be:

1 Mark(s)

Your Answer:

declarable declarable
extensible extensible
initializable initializable
detectable detectable

Which function is used to return a handle to the database?

1 Mark(s)

Your Answer:

prepareDatabase() prepareDatabase()
showDocCount() showDocCount()
executeSql() executeSql()
openDatabase() openDatabase()

Bit rate is measured in:

1 Mark(s)

Your Answer:

bits per Hertz bits per Hertz
bits per second bits per second
Nano seconds Nano seconds
pixels per second pixels per second

What is the right choice, if the following loop is implemented? void main() { int num = 0; do{ --num; printf("%d", num); }while( ++num >= 0 ); }

1 Mark(s)

Your Answer:

A run time error will be generated. A run time error will be generated.
The program will not enter into the loop.
There will be a compilation error reported.
The loop will run infinitely many times.
Prints the value of 0 one time only. Prints the value of 0 one time only.

When any program, no matter how small, occupies an entire partition, this is known as:

1 Mark(s)

Your Answer:

Fragmentation Fragmentation
External fragmentation External fragmentation
Internal fragmentation Internal fragmentation
Prior fragmentation Prior fragmentation

Amplitude Modulation (AM) is normally implemented by using a:

1 Mark(s)

Your Answer:

multiplexer multiplexer
de multiplexer de multiplexer
multiplier multiplier
phase shifting phase shifting

GAC stands for:

1 Mark(s)

Your Answer:

Global Assembly Cache Global Assembly Cache
Global Area Coverage Global Area Coverage
Generic Artificial Creation Generic Artificial Creation
Global Assembly Class Global Assembly Class

Evaluating Your Answers

Web Development Mock Test 6 : Question 1 of 49