In ____ cryptography, the same key is used for both encryption and decryption.

A search engine is a web server that responds to client requests to search in its stored indexes and (concurrently) runs several web crawler tasks to build and update the indexes. What are the requirements for synchronization between these concurrent activities?

What will be an ideal response?

When you use the ____ method to submit form data to the processing script, the form data is appended to the URL specified by the action attribute.

A. get B. post C. request D. submit