Nginx Online Test

The Nginx Online Test uses scenario-based MCQs to evaluate candidates' ability to configure and optimize Nginx, as well as their understanding of load balancing, SSL/TLS, caching, proxying, and security. Other key skills that the test evaluates include web development, Linux/Unix administration, network protocols, scripting, and troubleshooting.

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Screen candidates with a 30 mins test

Test duration: ~ 30 mins

Difficulty level: Moderate

Availability: Available as custom test

Questions:

12 Nginx MCQs

Covered skills:

Nginx configuration

Load balancing

Reverse proxy

Caching

Security

SSL/TLS

Performance optimization

Logging and monitoring

HTTP server

HTTPS server

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Use the Nginx Test to shortlist qualified candidates

The Nginx Online Test helps recruiters and hiring managers identify qualified candidates from a pool of resumes, and helps in taking objective hiring decisions. It reduces the administrative overhead of interviewing too many candidates and saves time by filtering out unqualified candidates at the first step of the hiring process.

The test screens for the following skills that hiring managers look for in candidates:

Ability to configure and optimize Nginx server for performance
Experience in load balancing with Nginx
Understanding of reverse proxy concepts and implementation with Nginx
Knowledge of caching techniques and their application in Nginx
Familiarity with SSL/TLS configuration in Nginx for secure communication
Proficiency in handling Nginx security configurations and access controls
Ability to troubleshoot Nginx server logs and monitor server performance
Understanding of HTTP and HTTPS server configurations in Nginx
Knowledge of Nginx proxy server configurations and usage
Experience in optimizing Nginx for high traffic and scalability
Familiarity with Nginx configuration for logging and analysis
Understanding of Nginx configuration for handling HTTP headers

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We have a very high focus on the quality of questions that test for on-the-job skills. Every question is non-googleable and we have a very high bar for the level of subject matter experts we onboard to create these questions. We have crawlers to check if any of the questions are leaked online. If/ when a question gets leaked, we get an alert. We change the question for you & let you know.

How we design questions

These are just a small sample from our library of 15,000+ questions. The actual questions on this Nginx Online Test will be non-googleable.

🧐 Question
Medium Configuration for SSL SSL Configuration Performance Tuning Server Blocks	Solve
An organization wants to configure an Nginx server to serve both HTTP and HTTPS traffic efficiently. The requirements are as follows: redirect all HTTP traffic to HTTPS, utilize the SSL protocol for secure communication, and ensure optimal performance by enabling gzip compression for text files. Given the configuration snippets below, select the correct combination that meets these requirements. 1. 2. 3. 4. 5.
Easy Overlapping Location Blocks Server Configuration Request Handling	Solve
An Nginx server is configured with multiple `location` blocks that overlap in their path specifications, leading to potential ambiguity in request handling. Given the following configuration snippets, identify which `location` block will handle a request to the URL `/images/thumbnails/large/photo.jpg`: 1. `location = /images/thumbnails/large/photo.jpg { ... }` 2. `location ^~ /images/thumbnails/ { ... }` 3. `location ~* \.(jpg\|png)$ { ... }` 4. `location /images/ { ... }` A: Location block 1 will handle the request because it exactly matches the request URI. B: Location block 2 will handle the request because it matches the prefix and disables regex checking. C: Location block 3 will handle the request because it matches the case-insensitive regex for file extensions. D: Location block 4 will handle the request because it has the longest matching prefix. E: All of the above location blocks will handle the request in the order they are defined.
Medium Securing Nginx with Rate Limiting Security Rate Limiting	Solve
You are tasked with enhancing the security of an Nginx server by implementing rate limiting to protect against brute-force attacks. The requirement is to limit requests to the login page (/login) to no more than 10 requests per minute for each IP address, while ensuring legitimate users are not adversely affected by false positives. Which configuration snippet correctly sets up rate limiting for this purpose? A: Configuring the limit_rate directive to 10 requests per minute directly inside the /login location block. B: Setting the limit_conn directive to 10 inside the /login location block to restrict concurrent connections. C: Using the limit_req directive inside the http block without defining a limit_req_zone. D: Applying a deny all directive inside the /login location block for requests exceeding 10 per minute. E: Defining a limit_req_zone directive outside the server block with a rate of 10r/m and applying it to the /login location using the limit_req directive.

	🧐 Question	🔧 Skill
	Medium Configuration for SSL SSL Configuration Performance Tuning Server Blocks	2 mins Nginx	Solve
An organization wants to configure an Nginx server to serve both HTTP and HTTPS traffic efficiently. The requirements are as follows: redirect all HTTP traffic to HTTPS, utilize the SSL protocol for secure communication, and ensure optimal performance by enabling gzip compression for text files. Given the configuration snippets below, select the correct combination that meets these requirements. 1. 2. 3. 4. 5.
	Easy Overlapping Location Blocks Server Configuration Request Handling	2 mins Nginx	Solve
An Nginx server is configured with multiple `location` blocks that overlap in their path specifications, leading to potential ambiguity in request handling. Given the following configuration snippets, identify which `location` block will handle a request to the URL `/images/thumbnails/large/photo.jpg`: 1. `location = /images/thumbnails/large/photo.jpg { ... }` 2. `location ^~ /images/thumbnails/ { ... }` 3. `location ~* \.(jpg\|png)$ { ... }` 4. `location /images/ { ... }` A: Location block 1 will handle the request because it exactly matches the request URI. B: Location block 2 will handle the request because it matches the prefix and disables regex checking. C: Location block 3 will handle the request because it matches the case-insensitive regex for file extensions. D: Location block 4 will handle the request because it has the longest matching prefix. E: All of the above location blocks will handle the request in the order they are defined.
	Medium Securing Nginx with Rate Limiting Security Rate Limiting	2 mins Nginx	Solve
You are tasked with enhancing the security of an Nginx server by implementing rate limiting to protect against brute-force attacks. The requirement is to limit requests to the login page (/login) to no more than 10 requests per minute for each IP address, while ensuring legitimate users are not adversely affected by false positives. Which configuration snippet correctly sets up rate limiting for this purpose? A: Configuring the limit_rate directive to 10 requests per minute directly inside the /login location block. B: Setting the limit_conn directive to 10 inside the /login location block to restrict concurrent connections. C: Using the limit_req directive inside the http block without defining a limit_req_zone. D: Applying a deny all directive inside the /login location block for requests exceeding 10 per minute. E: Defining a limit_req_zone directive outside the server block with a rate of 10r/m and applying it to the /login location using the limit_req directive.

	🧐 Question	🔧 Skill	💪 Difficulty	⌛ Time
	Configuration for SSL SSL Configuration Performance Tuning Server Blocks	Nginx	Medium	2 mins	Solve
An organization wants to configure an Nginx server to serve both HTTP and HTTPS traffic efficiently. The requirements are as follows: redirect all HTTP traffic to HTTPS, utilize the SSL protocol for secure communication, and ensure optimal performance by enabling gzip compression for text files. Given the configuration snippets below, select the correct combination that meets these requirements. 1. 2. 3. 4. 5.
	Overlapping Location Blocks Server Configuration Request Handling	Nginx	Easy	2 mins	Solve
An Nginx server is configured with multiple `location` blocks that overlap in their path specifications, leading to potential ambiguity in request handling. Given the following configuration snippets, identify which `location` block will handle a request to the URL `/images/thumbnails/large/photo.jpg`: 1. `location = /images/thumbnails/large/photo.jpg { ... }` 2. `location ^~ /images/thumbnails/ { ... }` 3. `location ~* \.(jpg\|png)$ { ... }` 4. `location /images/ { ... }` A: Location block 1 will handle the request because it exactly matches the request URI. B: Location block 2 will handle the request because it matches the prefix and disables regex checking. C: Location block 3 will handle the request because it matches the case-insensitive regex for file extensions. D: Location block 4 will handle the request because it has the longest matching prefix. E: All of the above location blocks will handle the request in the order they are defined.
	Securing Nginx with Rate Limiting Security Rate Limiting	Nginx	Medium	2 mins	Solve
You are tasked with enhancing the security of an Nginx server by implementing rate limiting to protect against brute-force attacks. The requirement is to limit requests to the login page (/login) to no more than 10 requests per minute for each IP address, while ensuring legitimate users are not adversely affected by false positives. Which configuration snippet correctly sets up rate limiting for this purpose? A: Configuring the limit_rate directive to 10 requests per minute directly inside the /login location block. B: Setting the limit_conn directive to 10 inside the /login location block to restrict concurrent connections. C: Using the limit_req directive inside the http block without defining a limit_req_zone. D: Applying a deny all directive inside the /login location block for requests exceeding 10 per minute. E: Defining a limit_req_zone directive outside the server block with a rate of 10r/m and applying it to the /login location using the limit_req directive.

Test candidates on core Nginx Hiring Test topics

Nginx configuration: Nginx configuration refers to setting up and managing the various parameters and directives of the Nginx web server. This skill is essential to ensure optimal performance, security, and reliability of the server, as well as to customize the server to meet specific requirements.

Load balancing: Load balancing involves distributing incoming network traffic across multiple servers to ensure efficient utilization of resources and improve the overall performance and availability of the application or website. This skill is crucial for handling high traffic loads and preventing server overload or downtime.

Reverse proxy: A reverse proxy acts as an intermediary between client devices and web servers, forwarding client requests to the appropriate backend servers. This skill is important for increasing security, managing multiple web servers, and improving performance through caching and SSL termination.

Caching: Caching involves storing frequently accessed data or web content in a temporary storage location, such as RAM or disk, to reduce the response time and server load. This skill is vital for improving the overall performance and scalability of web applications and reducing bandwidth usage.

Security: Ensuring the security of the web server and the applications it hosts is crucial to protect sensitive data and prevent unauthorized access or attacks. This skill involves implementing security measures, such as firewall rules, access control, secure communication protocols, and regular security audits, to mitigate potential vulnerabilities and risks.

SSL/TLS: SSL/TLS (Secure Sockets Layer/Transport Layer Security) is the standard encryption protocol used to establish secure connections between client devices and web servers. This skill is important for securing data transmission, preventing eavesdropping, and establishing trust between users and the server.

Performance optimization: Performance optimization involves identifying and implementing strategies to improve the speed, efficiency, and responsiveness of web applications and websites. This skill includes techniques such as code optimization, server configuration tuning, caching mechanisms, and load testing to ensure optimal performance even under heavy loads.

Logging and monitoring: Logging and monitoring involve keeping track of server logs, system metrics, and application performance to identify issues, troubleshoot errors, and proactively manage the server infrastructure. This skill is essential for maintaining server health, diagnosing performance bottlenecks, and detecting security breaches.

HTTP server: The HTTP server component of Nginx handles incoming HTTP requests, processes them, and returns the appropriate HTTP responses. This skill is necessary for serving web content, handling different HTTP methods, managing URL routing, and implementing various HTTP-related features.

HTTPS server: HTTPS server refers to the configuration and management of Nginx to handle secure HTTPS (HTTP over SSL/TLS) connections. This skill involves setting up SSL certificates, enforcing secure communication, and configuring HTTPS-related features like HSTS (HTTP Strict Transport Security) and secure ciphers.

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