從Google Drive中免費下載最新的Fast2test PCPP-32-101 PDF版考試題庫：https://drive.google.com/open?id=1JLLCaowBMMjMUskeN6WUsUkMv0NWed_S
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| Section | Objectives |
|---|---|
| Topic 1: Network Programming and Communication | - Web communication basics
|
| Topic 2: Python Standard Library and Best Practices | - File and data processing
|
| Topic 3: Advanced Object-Oriented Programming | - Class design and advanced inheritance
|
| Topic 4: GUI Programming | - Tkinter fundamentals
|
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問題 #27
Look at the following examples of comments and docstrings in Python Select the ones that are useful and compliant with PEP 8 recommendations (Select the two best answers.)
答案：A,C
解題說明：
According to PEP 8 recommendations, the two best options are Option B and Option D .
Option B follows PEP 8's suggestion that all lines should be limited to 79 characters and for longer blocks of text like docstrings or comments, the length should be limited to 72 characters 1 . Option D follows PEP 8's conventions for writing good documentation strings (a.k.a. "docstrings") which are immortalized in PEP
257. It suggests writing docstrings for all public modules, functions, classes, and methods 2 .
問題 #28
What is true about the following snippet of code?
class Cat:
def __init__(self, weight, sex):
self.height = height
self.weight = weight
self.sex = sex
def say(self):
print('meows')
kitty = Cat(1, 'male')
kitty.say()
答案：A
解題說明：
The snippet raises a NameError because the variable height is referenced inside the constructor but is never defined. The __init__() method accepts only weight and sex as parameters, apart from self. When kitty = Cat(1, 'male') is executed, Python enters the constructor and evaluates self.height = height. Since there is no local variable, parameter, global variable, or built-in name called height, Python raises a NameError before the object is fully initialized. Because object construction fails, kitty.say() is never reached. The code does not print meows, and it does not raise ValueError, because the problem is not an invalid value but an undefined name.
問題 #29
Which of the following constants will be used if you do riot define the quoting argument in the writer method provided by the csv module?
答案：A
解題說明：
Explanation
If you do not define the quoting argument in the writer method provided by the csv module, the default quoting behavior is set to QUOTE_MINIMAL. This means that fields containing special characters such as the delimiter or newline character will be quoted, while fields that do not contain special characters will not be quoted.
問題 #30
Select the true statements about the connection-oriented and connectionless types of communication. (Select two answers.)
答案：A,D
解題說明：
Explanation
In the context of TCP/IP networks, the communication side that initiates a connection is called the client, whereas the side that answers the client is called the server.
This statement is true because TCP/IP networks use a client-server model to establish connection-oriented communications. The client is the device or application that requests a service or resource from another device or application, which is called the server. The server responds to the client's request and provides the service or resource.For example, when you browse a website using a web browser, the browser acts as a client and sends a request to the web server that hosts the website. The web server acts as a server and sends back the requested web page to the browser1.
Connectionless communications are usually built on top of TCP.
This statement is false because TCP (Transmission Control Protocol) is a connection-oriented protocol that requires establishing and terminating a connection before and after sending data. Connectionless communications are usually built on top of UDP (User Datagram Protocol), which is a connectionless protocol that does not require any connection setup or teardown. UDP simply sends data packets to the destination without checking if they are received or not2.
Using walkie-talkies is an example of a connection-oriented communication.
This statement is false because using walkie-talkies is an example of a connectionless communication.
Walkie-talkies do not establish a dedicated channel or connection between the sender and receiver before transmitting data. They simply broadcast data over a shared frequency without ensuring that the receiver is ready or available to receive it. The sender does not know if the receiver has received the data or not3.
A phone call is an example of a connection-oriented communication.
This statement is true because a phone call is an example of a connection-oriented communication. A phone call requires setting up a circuit or connection between the caller and callee before exchanging voice data. The caller and callee can hear each other's voice and know if they are connected or not. The phone call also requires terminating the connection when the conversation is over4.
References:
1: https://www.techtarget.com/searchnetworking/definition/client-server 2:
https://www.javatpoint.com/connection-oriented-vs-connectionless-service 3:
https://en.wikipedia.org/wiki/Walkie-talkie 4: https://en.wikipedia.org/wiki/Telephone_call A is true because in the context of TCP/IP networks, the communication side that initiates a connection is called the client, and the side that answers the client is called the server. This is the basis for establishing a connection-oriented communication.
D is true because a phone call is an example of a connection-oriented communication. Like TCP/IP, a phone call establishes a connection between two devices (in this case, two phones) before communication can occur.
A is true because in the context of TCP/IP networks, the communication side that initiates a connection is called the client, and the side that answers the client is called the server. This is the basis for establishing a connection-oriented communication.
D is true because a phone call is an example of a connection-oriented communication. Like TCP/IP, a phone call establishes a connection between two devices (in this case, two phones) before communication can occur.
B is false because connectionless communications are usually built on top of UDP, not TCP. UDP is a connectionless protocol that does not establish a connection before sending data.
C is false because using walkie-talkies is an example of a connectionless communication. Walkie-talkies do not establish a connection before communication begins, and messages are simply broadcasted to all devices within range.
Here is a sample code in Python using the socket module to create a TCP server and client to demonstrate the connection-oriented communication:
Server-side code:
importsocket
HOST ='127.0.0.1'
PORT =8080
with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
s.bind((HOST, PORT))
s.listen()
conn, addr = s.accept()
with conn:
print('Connected by', addr)
whileTrue:
data = conn.recv(1024)
ifnotdata:
break
conn.sendall(data)
Client-side code:
importsocket
HOST ='127.0.0.1'
PORT =8080
with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
s.connect((HOST, PORT))
s.sendall(b'Hello, world')
data = s.recv(1024)
print('Received',repr(data))
The server listens for incoming connections on port 8080, and when a connection is established, it prints the address of the client that has connected. The server then continuously receives data from the client and sends it back to the client until the connection is closed.
The client establishes a connection with the server and sends the message "Hello, world" encoded as bytes. It then waits for a response from the server and prints the data it receives.
問題 #31
Which of the following will set the button text's font to 12 point italics Anal? (Select two answers)
答案：A,D
解題說明：
Option B is correct because it sets the font option of the button to a tuple containing the font family ('Arial'), size (12), and style ('italic').
Option C is correct because it sets the font option of the button to a string containing the font family ('Arial'), size (12), and style ('italic') separated by spaces.
問題 #32
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2026 Fast2test最新的PCPP-32-101 PDF版考試題庫和PCPP-32-101考試問題和答案免費分享：https://drive.google.com/open?id=1JLLCaowBMMjMUskeN6WUsUkMv0NWed_S