Which cURL command must be used to determine the last modified date of the file and to optimize the API usage?

An architect must optimize traffic that targets a popular API endpoint Currently, the application downloads a large file hourly, but often the file is unchanged and the download causes unnecessary load and delays.

Which cURL command must be used to determine the last modified date of the file and to optimize the API usage?
A . curl GET request
B . curl HEAD request
C . curl –silent request
D . curl -H ‘Cache-Control: no-cache’ request

View Answer

Answer: B