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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]

Select the true statements about sockets. (Select two answers)

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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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Beatriz
6 months ago
I'm not sure about B and C, but I think A and D make sense. Sockets are definitely used for communication between programs on a network.
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Brandon
6 months ago
D is the only one that really captures the essence of what a socket is. The others are just weird.
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Felix
6 months ago
I agree, D is the most accurate description of a socket.
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Felix
6 months ago
I think A is also true. It mentions two-way communication.
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Minna
6 months ago
I agree with you, Eleni. A socket allows two-way communication and can be used for processes on the same or different machines.
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Eleni
6 months ago
I think A and D are the true statements about sockets.
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Rene
6 months ago
I'm not sure about B, but I know C is definitely not true. So, I would go with A and D as well.
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Winfred
7 months ago
I agree with Jarvis, A and D make sense because sockets can establish communication between processes on the same or different machines.
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Brice
7 months ago
Haha, I bet the person who wrote C is the same one who thinks the internet is a series of tubes!
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Serina
6 months ago
D) A socket can be used to establish a communication endpoint for processes running on the same or different machines.
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Cassandra
6 months ago
A) A socket is a connection point that enables a two-way communication between programs running in a network.
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Rosio
7 months ago
B is definitely not true. Sockets don't guarantee secure communication, that's what encryption protocols are for.
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Anastacia
6 months ago
D) A socket can be used to establish a communication endpoint for processes running on the same or different machines.
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Art
6 months ago
A) A socket is a connection point that enables a two-way communication between programs running in a network.
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Jarvis
7 months ago
I think A and D are true statements about sockets.
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Maryann
7 months ago
A and D seem like the correct statements. Sockets enable two-way communication between network programs, and can be used for processes on the same or different machines.
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Lamar
7 months ago
Definitely. Knowing how sockets function can help ensure smooth communication between programs on different machines.
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Ozell
7 months ago
I agree. It's important to understand how sockets work for communication between processes on a network.
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Johnna
7 months ago
Yes, you're right. A socket is indeed a connection point for two-way communication between network programs.
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Annice
7 months ago
I think A and D are the correct statements. Sockets allow two-way communication and can be used for processes on the same or different machines.
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