Pass Guaranteed Python Institute - PCPP-32-101 - Newest New PCPP1 - Certified Professional in Python Programming 1 Test Papers

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Python Institute PCPP-32-101 Exam Syllabus Topics:

Section	Objectives
Advanced Object-Oriented Programming	- Class design and advanced inheritance 1. Abstract classes and interfaces 2. Multiple inheritance and MRO - Metaprogramming basics 1. Introspection techniques 2. Decorators and class decorators
GUI Programming	- Tkinter fundamentals 1. Widgets and layout management 2. Event handling
Network Programming and Communication	- Web communication basics 1. Data exchange formats 2. HTTP requests and APIs
Python Standard Library and Best Practices	- Testing and debugging 1. Debugging techniques 2. Unit testing with unittest/pytest concepts - File and data processing 1. Working with files and directories 2. Serialization (JSON, CSV)

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Python Institute PCPP1 - Certified Professional in Python Programming 1 Sample Questions (Q54-Q59):

NEW QUESTION # 54
Select the true statement about the socket. gaierror exception.

A. It is raised when an address-related error caused by the repr () function occurs.
B. It is raised when a timeout occurs on a socket.
C. It is raised when an address-related error caused by the getaddrinfo () and getnameinfo () functions occurs.
D. It is raised when a system function returns a system-related error.

Answer: C

Explanation:
The socket.gaierror exception is raised when an address-related error caused by the getaddrinfo() and getnameinfo() functions occurs. These functions are used to translate hostnames to IP addresses and vice versa, and the gaierror exception is raised if they fail to perform this translation.
Reference:
Official Python documentation on socket.gaierror: https://docs.python.org/3/library/socket.html#socket.
gaierror

NEW QUESTION # 55
In the JSON processing context, the term serialization:

A. names a process in which Python data is turned into a JSON string.
B. names a process in which a JSON string is turned into Python data.
C. refers to nothing, because there is no such thing as JSON serialization.
D. names a process in which a JSON string is remodeled and transformed into a new JSON string

Answer: A

Explanation:
In the JSON processing context, the term serialization: A. names a process in which Python data is turned into a JSON string.
Serialization refers to the process of converting a data object, such as a Python object, into a format that can be easily transferred over a network or stored in a file. In the case of JSON, serialization refers to converting Python data into a string representation using the JSON format. This string can be sent over a network or stored as a file, and later deserialized back into the original Python data object.
Reference: Official Python documentation on json: https://docs.python.org/3/library/json.html#json- serialization

NEW QUESTION # 56
Analyze the following snippet and select the statement that best describes it.

A. The code is missing a placeholder for unnamed parameters.
B. The code is syntactically correct despite the fact that the names of the function parameters do not follow the naming convention
C. The *arg parameter holds a list of unnamed parameters
D. The code is syntactically incorrect - the function should be defined as def f1 (*args, **kwargs)

Answer: C

Explanation:
Explanation
The provided code snippet defines a function f1 that accepts variable-length arguments using the *args and **kwargs syntax. The *args parameter allows for an arbitrary number of unnamed arguments to be passed to the function as a tuple, while the **kwargs parameter allows for an arbitrary number of named arguments to be passed to the function as a dictionary.
Therefore, the correct statement that best describes the code is:
The *args parameter holds a list of unnamed parameters, while the **kwargs parameter holds a dictionary of named parameters.

NEW QUESTION # 57
Select the true statement about the socket. gaierror exception.

A. It is raised when an address-related error caused by the repr () function occurs.
B. It is raised when a timeout occurs on a socket.
C. It is raised when an address-related error caused by the getaddrinfo () and getnameinfo () functions occurs.
D. It is raised when a system function returns a system-related error.

Answer: C

Explanation:
Explanation
The socket.gaierror exception is raised when an address-related error caused by the getaddrinfo() and getnameinfo() functions occurs. These functions are used to translate hostnames to IP addresses and vice versa, and the gaierror exception is raised if they fail to perform this translation.

NEW QUESTION # 58
What is true about the unbind_all () method?
(Select two answers.)

A. It can be invoked from the main window widget only
B. It is parameterless
C. It can be invoked from any widget
D. It causes all the widgets to disappear

Answer: B,C

Explanation:
Explanation
The unbind_all() method in Tkinter is used to remove all event bindings from a widget. It is a method of the widget object and can be called on any widget in the Tkinter application. Therefore, option A is the correct answer.
Option B is incorrect because the method can be called on any widget, not just the main window widget.
Option C is correct as unbind_all() does not take any parameters.
Option D is incorrect because the method only removes event bindings and does not cause the widgets to disappear.
So, the correct answers are A and C.
References:
* Tkinter documentation: https://docs.python.org/3/library/tkinter.html#event-bindings
* Tkinter tutorial: https://www.python-course.eu/tkinter_events_binds.php

NEW QUESTION # 59
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