Computer Networks Mock Test 9

A combination of an encryption algorithm and a decryption algorithm is called a:

1 Mark(s)

Your Answer:

plain text plain text
cipher cipher
original text original text
shift cipher shift cipher

Which principle of OOP emphasizes the bundling of data and methods that operate on the data into a single unit?

1 Mark(s)

Your Answer:

Encapsulation Encapsulation
Inheritance Inheritance
Abstraction Abstraction
Polymorphism Polymorphism

GB in memory storage unit stands for:

1 Mark(s)

Your Answer:

gigabox gigabox
global global
gigabit gigabit
gigabyte gigabyte

The smallest integer type is:

1 Mark(s)

Your Answer:

byte byte
short short
int int
bit bit

Which computer program accepts the high-level language and converts it into assembly language?

1 Mark(s)

Your Answer:

Interpreter Interpreter
Linker Linker
Assembler Assembler
Compiler Compiler

Which problem is NOT typically solved using Dynamic Programming?

1 Mark(s)

Your Answer:

Knapsack Problem Knapsack Problem
Longest Common Subsequence Longest Common Subsequence
Fibonacci Fibonacci
Binary Search Binary Search

Which of these method is used to remove all keys/values pair from the invoking map?

1 Mark(s)

Your Answer:

delete() delete()
remove() remove()
clear() clear()
removeAll() removeAll()

When two events occur at same location in an inertial reference frame, time interval between them is called:

1 Mark(s)

Your Answer:

linear time linear time
time dilation time dilation
proper time proper time
fixed time fixed time

What is the time complexity of push operation in a stack implemented using an array?

1 Mark(s)

Your Answer:

O(1) O(1)
O(n) O(n)
O(log n) O(log n)
O(n log n) O(n log n)

A computer port is used to?

1 Mark(s)

Your Answer:

Communicate with hard disks Communicate with hard disks
Donwload files Donwload files
Communicate with other computer peripherals
None of the above None of the above

Internet Control Message Protocol (ICMP) always reports error messages to the:

1 Mark(s)

Your Answer:

shadow/copied source shadow/copied source
pair source pair source
original source original source
duplicate source duplicate source

In Pig, what is the role of the SPLIT statement?

1 Mark(s)

Your Answer:

Filter records based on a condition Filter records based on a condition
Group data based on a specified key Group data based on a specified key
Sort data based on a specified key Sort data based on a specified key
Split data into multiple relations Split data into multiple relations

Which of the following statements is true about the inline functions?

1 Mark(s)

Your Answer:

Macros do not have the returns statement, while inline function has the return statement.
Usually, the macros are processed by the preprocessor while on the other hand inline functions are processed in the later stages of compilation.
Inline function usually performs the type checking, whereas macros do not.
All of the above All of the above

In broadcast communication, the relationship between the source and the destination is:

1 Mark(s)

Your Answer:

one to all one to all
many to one many to one
one to many one to many
one to one one to one

The functions of C# have the following properties:

1 Mark(s)

Your Answer:

Functions can not be nested Functions can not be nested
Functions can be called recursively. Functions can be called recursively.
If we do not return a value from a function then a value -1 gets returned.
both b and c both b and c

What is the purpose of the Hmisc package in R?

1 Mark(s)

Your Answer:

Data manipulation and transformation Data manipulation and transformation
Visualization of decision trees Visualization of decision trees
Statistical analysis and modeling Statistical analysis and modeling
Tools for advanced regression modeling Tools for advanced regression modeling

What is the purpose of the 'std::future' class in C++ multi-threading?

1 Mark(s)

Your Answer:

To represent the result of an asynchronous operation
To execute a task asynchronously To execute a task asynchronously
To synchronize the execution of threads To synchronize the execution of threads
To manage thread priorities To manage thread priorities

A plant like example of composite organisms is:

1 Mark(s)

Your Answer:

algae algae
woodlice woodlice
amoeba amoeba
lichens lichens

Which of the following method performs poorly when elements are accessed in sequential order?

1 Mark(s)

Your Answer:

count method count method
move to front method move to front method
transpose meth transpose meth
ordering method ordering method

Friction between moving parts of machine causes:

1 Mark(s)

Your Answer:

heat heat
light light
energy energy
oil oil

What is the difference between synchronous and asynchronous programming in C#?

1 Mark(s)

Your Answer:

Synchronous programming blocks until a task is completed, while asynchronous programming allows tasks to execute concurrently
Synchronous programming executes tasks sequentially, while asynchronous programming executes tasks in parallel
Synchronous programming is simpler, while asynchronous programming is more complex
Synchronous programming is more memory-efficient, while asynchronous programming is more CPU-efficient

Pasteurization helps us to kill:

1 Mark(s)

Your Answer:

micro-organisms micro-organisms
fungi fungi
virus virus
bacteria bacteria

Components of a computer that are tangible are:

1 Mark(s)

Your Answer:

output output
hardware hardware
storage device storage device
peripheral device peripheral device

Given syntax is correct but output/error shows "video can't be played". Likely cause?

1 Mark(s)

Your Answer:

Browser does not support the video format
Code syntax error Code syntax error
Operating system issue Operating system issue
Video file missing Video file missing

Which architecture describes the various elements that support the implementation of services?

1 Mark(s)

Your Answer:

The Application Architecture The Application Architecture
The Service Architecture The Service Architecture
The Component Architecture The Component Architecture
None of the mentioned None of the mentioned

Which header is needed for `system("cls")`?

1 Mark(s)

Your Answer:

The Video Graphics Array (VGA) resolution standard is__________?

1 Mark(s)

Your Answer:

640×480 B 640×480 B
800×600 800×600
1024×768 1024×768
1280×3024 1280×3024

What will be output of the following program code? public class Test{ public static void main(String[] a){ short x = 10; x = x*5; System.out.print(x); } }

1 Mark(s)

Your Answer:

50 50
10 10
Compilation Error Compilation Error
None of these None of these

What will be the output of the following Python code? for i in range(int(2.0)): print(i)

1 Mark(s)

Your Answer:

0.0 1.0 0.0 1.0
0 1 0 1
error error
none of the mentioned none of the mentioned

Resistivity of n type doped silicon is:

1 Mark(s)

Your Answer:

4.82x10-8 Ωm 4.82x10-8 Ωm
8.7x10-4 Ωm 8.7x10-4 Ωm
2.5x103 Ωm 2.5x103 Ωm
2.8x10-3 Ωm 2.8x10-3 Ωm

In Java, which classes are used for autoboxing and unboxing operations?

1 Mark(s)

Your Answer:

Exception classes (e.g., `RuntimeException`)
Wrapper classes (e.g., `Integer`, `Double`)
Collection classes (e.g., `ArrayList`, `HashMap`)
None of These None of These

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Computer Networks Mock Test 9 : Question 1 of 31