Web Server Logs Quiz: Test Your Web Development Knowledge

📚 Quick Study Guide

• ⏱️ Web server logs record server activity.
• 📝 Common log formats: Common Log Format (CLF), Combined Log Format (NCSA extended/combined log format).
• 🌐 CLF fields: `remotehost rfc931 authuser [date] "request" status bytes`.
• ➕ Combined Log Format adds `Referer` and `User-Agent`.
• 🔢 HTTP status codes: `200 OK`, `404 Not Found`, `500 Internal Server Error`.
• 🕵️ Analyzing logs helps identify errors, track traffic, and detect security threats.
• 🧰 Tools like `grep`, `awk`, and log analyzers simplify log processing.

🧪 Practice Quiz

1. Which of the following is NOT a typical field in a Common Log Format (CLF) entry?
   1. Remote Host
   2. Request
   3. User Agent
   4. Status Code
2. What HTTP status code indicates a successful request?
   1. 404
   2. 500
   3. 200
   4. 301
3. Which log format typically includes information about the referring page (Referer)?
   1. Common Log Format (CLF)
   2. Extended Common Log Format (Combined Log Format)
   3. W3C Extended Log Format
   4. Custom Log Format
4. What is the primary purpose of analyzing web server logs?
   1. To monitor server resource usage.
   2. To identify errors and track traffic patterns.
   3. To optimize database performance.
   4. To manage user accounts.
5. Which tool is commonly used for searching specific patterns within log files?
   1. `sed`
   2. `awk`
   3. `grep`
   4. `vi`
6. What does a 500 HTTP status code typically indicate?
   1. Page Not Found
   2. Server Error
   3. Redirection
   4. Client Error
7. Which field in a web server log contains information about the browser and operating system used by the client?
   1. Remote Host
   2. User-Agent
   3. Referer
   4. Request