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Python Institute Exam PCPP-32-101 Topic 8 Question 32 Discussion

Actual exam question for Python Institute's PCPP-32-101 exam
Question #: 32
Topic #: 8
[All PCPP-32-101 Questions]

The following snippet represents one of the OOP pillars Which one is that?

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Suggested Answer: A, D

1. A socket is a connection point that enables a two-way communication between programs running in a network.

This statement is true because a socket is a software structure that serves as an endpoint for sending and receiving data across a network. A socket is defined by an application programming interface (API) for the networking architecture, such as TCP/IP.A socket can be used to establish a communication channel between two programs running on the same or different network nodes12.

2. A socket is always the secure means by which computers on a network can safely communicate, without the risk of exposure to an attack.

This statement is false because a socket by itself does not provide any security or encryption for the data transmitted over the network. A socket can be vulnerable to various types of attacks, such as eavesdropping, spoofing, hijacking, or denial-of-service.To ensure secure communication, a socket can use additional protocols or mechanisms, such as SSL/TLS, SSH, VPN, or firewall3.

3. A socket is a connection point that enables a one-way communication only between remote processes.

This statement is false because a socket can enable both one-way and two-way communication between processes running on the same or different network nodes. A socket can be used for connection-oriented or connectionless communication, depending on the type of protocol used.For example, TCP is a connection-oriented protocol that provides reliable and bidirectional data transfer, while UDP is a connectionless protocol that provides unreliable and unidirectional data transfer12.

4. A socket can be used to establish a communication endpoint for processes running on the same or different machines.

This statement is true because a socket can be used for inter-process communication (IPC) within a single machine or across different machines on a network.A socket can use different types of addresses to identify the processes involved in the communication, such as IP address and port number for network sockets, or file name or path for Unix domain sockets12.


1: https://en.wikipedia.org/wiki/Network_socket2: https://www.geeksforgeeks.org/socket-in-computer-network/3: https://www.tutorialspoint.com/what-is-a-network-socket-computer-networks

by Lacresha at Aug 07, 2024, 04:02 AM

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Veronika
15 days ago
Wait, isn't this a trick question? The answer is definitely serialization, because that image looks like it's been encoded in some way.
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Ronald
16 days ago
Encapsulation, no doubt. I can practically feel the data hiding and information hiding seeping out of that code snippet.
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Iesha
20 days ago
Haha, I bet the answer is Polymorphism. The image looks like a robot, and we all know robots are the epitome of polymorphism!
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Joaquin
29 days ago
I'm not sure, it could be inheritance as well. The code snippet looks like a class definition with a parent-child relationship.
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Sean
13 days ago
A) Serialization
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Paz
1 months ago
This is clearly a question on encapsulation, the OOP concept of hiding the internal implementation details of an object from the outside world.
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Carylon
21 hours ago
No, those are different pillars of OOP.
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Rodolfo
2 days ago
So, it's not Inheritance or Polymorphism then.
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Genevive
13 days ago
I agree, encapsulation is about hiding the internal details.
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Isidra
16 days ago
I think the answer is C) Encapsulation.
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Selma
2 months ago
I'm not sure, but I think it might be D) Polymorphism because it allows objects to be treated as instances of their parent class.
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Annmarie
2 months ago
I agree with Celestina, because inheritance allows a class to inherit attributes and methods from another class.
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Celestina
2 months ago
I think the answer is B) Inheritance.
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