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| Section | Weight | Objectives |
|---|---|---|
| Advanced Object-Oriented Programming | 25% | - Object-oriented concepts
|
| Python Standard Library and Best Practices | 10% | - Advanced Python development
|
| File Processing and Serialization | 15% | - Data storage and transfer
|
| Multithreading and Concurrency | 10% | - Concurrent programming
|
| GUI Programming | 20% | - Graphical user interfaces with Tkinter
|
| Network Programming | 20% | - Communication and networking
|
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NEW QUESTION # 45
What is true about type in the object-oriented programming sense?
Answer: A
Explanation:
In Python, type is the built-in metaclass that serves as the base class for all new-style classes. All new-style classes in Python, including built-in types like int and str , are instances of the type metaclass and inherit from it.
NEW QUESTION # 46
Which of the following examples using line breaks and different indentation methods are compliant with PEP
8 recommendations? (Select two answers.)
Answer: A,D
Explanation:
The correct answers are B. Option B and D. Option D . Both options B and D are compliant with PEP 8 recommendations for line breaks and indentation. PEP 8 recommends using 4 spaces per indentation level and breaking lines before binary operators. In option B, the arguments to the print function are aligned with the opening delimiter, which is another acceptable way to format long lines according to PEP 8. In option D, the second line is indented by 4 spaces to distinguish it from the next logical line.
NEW QUESTION # 47
Select the true statements about the following invocation:
(Select two answers.)
Answer: A,B
Explanation:
A). It addresses a service deployed at localhost (the host where the code is run).
This statement is true because localhost is a special hostname that refers to the local machine or the current host where the code is run. It is equivalent to using the IP address 127.0.0.1, which is the loopback address of the network interface. By using localhost as the hostname, the invocation addresses a service that is deployed on the same machine as the client.
D). It addresses a service listening at port 3000.
This statement is true because port 3000 is the part of the URL that follows the colon after the hostname. It specifies the port number where the service is listening for incoming requests. A port number is a 16-bit integer that identifies a specific process or application on a host. By using port 3000, the invocation addresses a service that is listening at that port.
B). It addresses a service whose timeout is set to 3000 ms.
This statement is false because timeout is not a part of the URL, but a parameter that can be passed to the requests.get () function in Python. Timeout specifies how long to wait for the server to send data before giving up. It is measured in seconds, not milliseconds. By using timeout=3, the invocation sets the timeout to 3 seconds, not 3000 ms.
C). It addresses a service located at the following address local.host.com.
This statement is false because local.host.com is not the same as localhost. Local.host.com is a fully qualified domain name (FQDN) that consists of three parts: local, host, and com. It requires DNS resolution to map it to an IP address. Localhost, on the other hand, is a special hostname that does not require DNS resolution and always maps to 127.0.0.1. By using localhost as the hostname, the invocation does not address a service located at local.host.com.
References:
https://docs.python.org/3/library/requests.html : https://en.wikipedia.org/wiki/Localhost : https://en.
wikipedia.org/wiki/Port_(computer_networking) : https://en.wikipedia.org/wiki/Fully_qualified_domain_name
NEW QUESTION # 48
What is ElementTree?
Answer: C
Explanation:
ElementTree is a Python built-in module that provides a simple and efficient API for parsing and creating XML data. It allows you to access and manipulate XML data in a very straightforward way, making it easy to write XML processing applications.
Reference: Official Python documentation on ElementTree: https://docs.python.org/3/library/xml.etree.
elementtree.html
This statement is true because ElementTree is a module in the standard library of Python that provides an API for working with XML data. The module supports parsing XML from strings or files, creating XML trees from scratch or modifying existing ones, searching and iterating over XML elements, and writing XML data to strings or files.
NEW QUESTION # 49
What is the result of the following code?
What is the result of the following code?
Answer: A
Explanation:
Explanation
This statement is true because the code uses the logging module to create a logger object and set its level to logging.INFO. The logging module provides a way of reporting events that occur during the execution of a program. The logging level determines which events are reported and which are ignored. The logging module defines five levels of severity: DEBUG, INFO, WARNING, ERROR, and CRITICAL. The lower the level, the more events are reported.
The code then uses the logger object to log two messages: one with the level logging.DEBUG and one with the level logging.INFO. The logger object only reports the messages that have a level equal or higher than its own level. Therefore, the message with the level logging.DEBUG is ignored, while the message with the level logging.INFO is reported. The default format for reporting messages is "level name: message". Therefore, the output of the code is:
INFO: Loading data...
NEW QUESTION # 50
......
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