PCPP Python File and Network Operations Quiz

1. Which method waits for incoming connections on a server socket?

Listen()

Accept()

Wait()

Receive()

2. What does 'os.path.exists()' check?

Whether a file or directory exists

Whether a file is readable

Whether a file is open

Whether a file is empty

3. Which exception handling block executes regardless of success or failure?

Finally

Except

Else

Try

4. What is the default mode when opening a file without specifying a mode?

Read mode ('r')

Write mode ('w')

Append mode ('a')

Binary mode ('b')

5. Which statement closes a file safely in Python?

With open(file) as f: ...

File.close()

Close(file)

File.end()

6. What does 'pickle' module do?

Serializes and deserializes Python objects

Compresses files

Encrypts data

Parses HTML

7. Which protocol uses UDP for communication?

SOCK_DGRAM

SOCK_STREAM

SOCK_RAW

SOCK_RDM

8. What does 'recv()' do in socket programming?

Receives data from a connected socket

Sends data to a remote host

Closes the socket connection

Binds the socket to a port

9. Which method sends data through a socket?

Send()

Write()

Transmit()

Push()

10. What is the purpose of 'accept()' on a server socket?

Accepts a client connection and returns a new socket

Validates incoming data

Closes the listening socket

Sends a response to the client

11. Which method opens a file in binary read mode?

Open(file, 'rb')

Open(file, 'br')

Open(file, 'b')

Open(file, 'read_binary')

12. What does the 'bind()' method do in socket programming?

Associates the socket with a specific address and port

Connects to a remote server

Sends data over the network

Receives data from a client

13. Which socket type is used for TCP connections?

Socket.SOCK_STREAM

Socket.SOCK_DGRAM

Socket.SOCK_RAW

Socket.SOCK_PACKET

14. What does 'socket.AF_INET' represent?

IPv4 address family

IPv6 address family

Unix domain sockets

Bluetooth sockets

15. Which module is used for socket programming in Python?

Socket

Net

Network

Tcp

16. What does 'seek()' do in file operations?

Changes the file pointer position

Searches for text in a file

Closes the file

Reads the entire file

17. Which method writes a string to a file?

Write()

Writeline()

Append()

Insert()

18. What is the purpose of the 'json' module in Python?

Parse and serialize JSON data

Create web servers

Handle file permissions

Manage network sockets

19. Which exception is raised when a file is not found?

FileNotFoundError

IOError

FileError

NotFoundError

20. What does the 'with' statement do when opening files?

Automatically closes the file when exiting the block

Prevents file corruption

Speeds up file reading

Encrypts file contents