You want to optimize your REST API by using HEAD and OPTIONS methods. Which approach best improves client efficiency?

hard📝 Application Q15 of 15

Rest API - HTTP Methods

You want to optimize your REST API by using HEAD and OPTIONS methods. Which approach best improves client efficiency?

Use <code>HEAD</code> to check resource existence and <code>OPTIONS</code> to discover allowed methods before sending requests

BUse <code>OPTIONS</code> to fetch full resource data and <code>HEAD</code> to update resources

CUse <code>HEAD</code> to delete resources and <code>OPTIONS</code> to create new ones

DIgnore <code>HEAD</code> and <code>OPTIONS</code> and always use <code>GET</code> and <code>POST</code>

Step-by-Step Solution

Solution:

Step 1: Understand HEAD usage
HEAD checks if a resource exists by fetching headers without body, saving bandwidth.
Step 2: Understand OPTIONS usage
OPTIONS tells clients which HTTP methods are allowed, helping avoid invalid requests.
Step 3: Combine for efficiency
Using both before heavy requests reduces unnecessary data transfer and errors.
Final Answer:
Use HEAD to check resource existence and OPTIONS to discover allowed methods before sending requests -> Option A
Quick Check:
HEAD checks headers, OPTIONS lists methods [OK]

Quick Trick: HEAD checks existence, OPTIONS lists allowed methods [OK]

Common Mistakes:

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