Network Engineering (EE281) Prep

This repository contains helpful resources for preparing for network engineering finals (and interviews).

Contents

• what-happens-when.md: A cheatsheet with detailed explanations of common networking interview questions, including:

  • How a website works (www.example.com)
  • DNS lookup process
  • ARP process
  • TCP connection establishment
  • HTTP request/response cycle
  • HTTPS and TLS/SSL

• parsing_log_files.md: A guide to parsing log files with Python, covering:

  • Extracting data from log files
  • Analyzing log data (e.g., counting status codes per minute)
  • Using regular expressions for pattern matching
  • Exporting parsed data to files
  • Working with APIs (making requests, handling JSON, pagination)
  • Directory traversal
  • Writing data to CSV files

• network_layers_and_protocols.md: A table summarizing the 7 layers of the OSI model, including:

  • Layer names and functions
  • Protocols associated with each layer
  • Data units (bits, frames, packets, segments, etc.)

• network_commands.md: A guide to essential network command-line tools for troubleshooting and diagnostics, including:

  • ping
  • traceroute
  • dig
  • nslookup
  • curl
  • wget
  • telnet
  • nc (netcat)
  • ipconfig/ifconfig
  • netstat
  • route
  • arp

How to Use

• Review the cheatsheet and guides to refresh EE281 midterm concepts.
• Use the code examples as a starting point for solving network-related programming tasks.
• yea, thats it.. gl

Contributing

Feel free to contribute to this repository by:

• Adding more interview questions and answers.
• Providing more code examples for different network programming tasks.
• Improving the existing explanations and documentation.
• Submitting bug reports or feature requests.