Question: Which HTTP request header is used to request a fresh copy of a resource without using the cache?
Answer:
The "If-Modified-Since" HTTP request header is used to request a fresh copy of a resource without using the cache.
MCQ: Which HTTP request header is used to request a fresh copy of a resource without using the cache?
Explanation:
The "If-Modified-Since" HTTP request header is used to request a fresh copy of a resource without using the cache.
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Related Questions
- 1. What is the primary benefit of using server caching in web development?
- 2. What is the purpose of the "Vary" HTTP response header in web caching?
- 3. Which of the following is a common CDN provider used in web development?
- 4. What is the purpose of "purging" in the context of CDNs?
- 5. Which of the following is not a common HTTP caching directive?
- 6. What is a common caching strategy to serve stale content when a server is temporarily unavailable?
- 7. What is the purpose of an "ETag" in the context of caching?
- 8. What HTTP response status code is typically used to indicate a cache miss when a resource is not found in the cache?
- 9. Which HTTP request method is typically used to request a cached resource without validating its freshness?
- 10. What is the primary goal of performance profiling in web development?
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