Java Programming Mock Test 11

A signal in which 1 bit lasts 0.001 s, the Bit rate would be:

1 Mark(s)

Your Answer:

1Kbps 1Kbps
500bps 500bps
5obps 5obps
1700bps 1700bps

The advantages of functions are::

1 Mark(s)

Your Answer:

making your code more readable making your code more readable
you can use them to group related code together
code time is reduced code time is reduced
debugging time is reduced debugging time is reduced

What is the output of the following code snippet? x = 5 while x > 0 puts x x -= 1 end

1 Mark(s)

Your Answer:

54321 54321
12345 12345
Error Error
Infinite loop Infinite loop

Computers cannot communicate with each other directly over telephone lines because they use digital pulses whereas telephone lines use analog sound frequencies. What is the name of the device which permits digital to analog conversion at the start of a long distance transmission?

1 Mark(s)

Your Answer:

Interface Interface
Modem Modem
Attenuation Attenuation
Teleprocessor Teleprocessor
None of the above None of the above

The things which give off light are called:

1 Mark(s)

Your Answer:

light sources light sources
stores of light stores of light
lamps lamps
solar energy solar energy

To access SQL from a general-purpose programming language, there are approaches of:

1 Mark(s)

Your Answer:

2 types 2 types
3 types 3 types
4 types 4 types
5 types 5 types

Which keyword is used to declare a class in C++?

1 Mark(s)

Your Answer:

object object
typedef typedef
class class
struct struct

Vlink attribute means?

1 Mark(s)

Your Answer:

very good link very good link
visited link visited link
active link active link
virtual link virtual link

What is the hash function used in the division method?

1 Mark(s)

Your Answer:

h(k) = k/m h(k) = k/m
h(k) = k mod m h(k) = k mod m
h(k) = m/k h(k) = m/k
h(k) = m mod k h(k) = m mod k

Defining the class:

1 Mark(s)

Your Answer:

creates object creates object
doesn't creates object doesn't creates object
creates variable creates variable
creates function creates function

If you omit the visibility keyword in your method declaration, by default the method will be declared as.

1 Mark(s)

Your Answer:

public public
private private
protected protected
friendly friendly

What is the purpose of the charAt() method of a String object in Java?

1 Mark(s)

Your Answer:

To add a character to the string To add a character to the string
To remove a character from the string To remove a character from the string
To get the character at a specific index
To get the length of the string To get the length of the string

Which of the following is true about const pointer?

1 Mark(s)

Your Answer:

Pointer cannot change address it points to
Value pointed by pointer cannot change Value pointed by pointer cannot change
Both A and B Both A and B
None None

What is the purpose of using blocks and procs in Ruby?

1 Mark(s)

Your Answer:

To create new instances of classes To create new instances of classes
To encapsulate and pass around chunks of code
To handle file input and output To handle file input and output
None of the above None of the above

Suppose listExample is ['h','e','l','l','o'], what is len(listExample)?

1 Mark(s)

Your Answer:

5 5
4 4
None None
Error Error

Which symbol creates a variable in PHP?

1 Mark(s)

Your Answer:

$ $
@ @
# #
% %

The full outer join is a combination of the:

1 Mark(s)

Your Answer:

Left outer and left inner join Left outer and left inner join
Left outer and right inner join Left outer and right inner join
left outer and right inner join left outer and right inner join
left outer and right outer join left outer and right outer join

You need to configure a router for a Frame Relay connection to a non-Cisco router. Which of the following commands will prepare the WAN interface of the router for this connection?

1 Mark(s)

Your Answer:

Router(config-if)#encapsulation frame-relay q933a
Router(config-if)#encapsulation frame-relay ansi
Router(config-if)#encapsulation frame-relay ietf
Router(config-if)#encapsulation frame-relay cisco

What is the speed of Gigabit Ethernet?

1 Mark(s)

Your Answer:

10 Mbps 10 Mbps
100 Mbps 100 Mbps
1000 Mbps 1000 Mbps
10 Gbps 10 Gbps

What is the 'Start' menu in a standard personal computer?

1 Mark(s)

Your Answer:

Hardware part Hardware part
An option and set of commands An option and set of commands
Nothing, only status bar Nothing, only status bar
Network related Network related

1st law of thermodynamic states that internal energy of system tends to increase if energy is:

1 Mark(s)

Your Answer:

subtracted as heat subtracted as heat
added as heat added as heat
added as electrons added as electrons
constant constant

Which keyword is used to exit a loop prematurely in C#?

1 Mark(s)

Your Answer:

continue continue
skip skip
exit exit
break break

A node sends its two-column routing table to its neighbors anytime there is a change in its routing table is known as:

1 Mark(s)

Your Answer:

particular protocol particular protocol
periodic update periodic update
particular frame particular frame
triggered update triggered update

The problem of concurrency control is more complex in a distributed database.

1 Mark(s)

Your Answer:

True True
False False

What will be output of the given code? my_array = [1, 2, 3, 4] print my_array

1 Mark(s)

Your Answer:

[1, 2, 3, 4]. [1, 2, 3, 4].
1234 1234
Error Error
None of the mentioned None of the mentioned

RAM can be treated as the____________for the computer’s processor?

1 Mark(s)

Your Answer:

factory factory
operating room operating room
waiting room waiting room
planning room planning room

The layer of computer OSI model which is concerned with addressing and routing is called:

1 Mark(s)

Your Answer:

network network
data link data link
physical physical
transport transport

What will be the output of the following C# code? static void Main(string[] args) { int i; for (i = 0; ; ) { Console.WriteLine("hello"); } Console.ReadLine(); }

1 Mark(s)

Your Answer:

No output No output
hello hello
hello printed infinite times hello printed infinite times
Code will give error as expression syntax

Which graph describes the basic block and successor relationship?

1 Mark(s)

Your Answer:

Control graph Control graph
DAG DAG
Flow graph Flow graph
Hamilton graph Hamilton graph

Resistivity of Manganin is:

1 Mark(s)

Your Answer:

1.62x10-8 Ωm 1.62x10-8 Ωm
5.25x10-8 Ωm 5.25x10-8 Ωm
4.82x10-8 Ωm 4.82x10-8 Ωm
2.35x10-8 Ωm 2.35x10-8 Ωm

What is the purpose of the `reset()` method in Java regular expressions?

1 Mark(s)

Your Answer:

It counts the number of matches It counts the number of matches
It checks if a string matches the pattern
It resets the matcher It resets the matcher
It compiles a regular expression It compiles a regular expression

What is the purpose of the String#<< method in Ruby?

1 Mark(s)

Your Answer:

It inserts a substring into another string
It converts a string into lowercase It converts a string into lowercase
It converts a string into uppercase It converts a string into uppercase
It appends a string to the end of another string

What is the default value of an integer variable in C# if not initialized explicitly?

1 Mark(s)

Your Answer:

null null
-1 -1
0 0
1 1

. . . . . . . . class adds HBase configuration files to its object.

1 Mark(s)

Your Answer:

Configuration Configuration
Collector Collector
Component Component
None of the mentioned None of the mentioned

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Java Programming Mock Test 11 : Question 1 of 34