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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: GUI Programming | 20% | - Dialogs & Application Structure - Tkinter Basics & Widgets - Event-Driven Paradigm - Event Handling & Callbacks |
| Topic 2: Network Programming | 18% | - REST API Basics - TCP/IP & Socket Programming - HTTP & Client-Server Communication - JSON/XML Data Exchange |
| Topic 3: Advanced Object-Oriented Programming | 25% | - Abstract Base Classes - Multiple Inheritance & Mixins - Metaclasses & Metaprogramming - Design Patterns - Attribute Access & Descriptors - Shallow vs Deep Copy & Serialization - Advanced Exceptions & Exception Chaining |
| Topic 4: Modules, Packages & Advanced Features | 10% | - Decorators & Context Managers - Functional Programming Tools - Import System & Namespaces |
| Topic 5: Coding Conventions, Best Practices & Standardization | 12% | - Code Readability & Documentation - Pythonic Principles - PEP 1, PEP 8, PEP 20, PEP 257 |
| Topic 6: File & Data Processing | 15% | - XML & JSON Parsing - CSV & Configuration Files - SQLite3 Database Operations - Logging & System Interaction |
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NEW QUESTION # 14
Select the true statements about sockets. (Select two answers)
Answer: B,C
Explanation:
Explanation
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.
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.
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.
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.
References:
1: https://en.wikipedia.org/wiki/Network_socket 2:
https://www.geeksforgeeks.org/socket-in-computer-network/ 3:
https://www.tutorialspoint.com/what-is-a-network-socket-computer-networks
NEW QUESTION # 15
Select the true statements about the sqirte3 module. (Select two answers.)
Answer: C,D
Explanation:
Explanation
The sqlite3 module in python provides an interface compliant to the DB-API 2.0. Thus, it follows a standard performance metric that allows for consistency in database programming with python.
The special name 'memory' is used to create a database in RAM using the sqlite3 module. Thus, when you use it as the name of the database file while opening a connection, it creates a temporary database that exists only in memory.
NEW QUESTION # 16
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 # 17
Select a log that matches the following format:
'%(name)s[%(levelname)s][%(asctime)s] :%(message)s'
Answer: B
NEW QUESTION # 18
In the JSON processing context, the term serialization:
Answer: B
Explanation:
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.
NEW QUESTION # 19
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