the answer should be the letter a
If a client initiates the SMTP communication using an EHLO (Extended Hello) command instead of the HELO command some additional SMTP commands are often available. They are often referred to as Extended SMTP (ESMTP) commands or SMTP service extensions. Every server can have its own set of extended SMTP commands.
Answer:
"Resolution" and "Refresh rate" is the correct answer.
Explanation:
Resolution:
- The resolution would be a step for describing the spatial brightness as well as cleanliness of something like a photograph but rather an image. It's always commonly being utilized for the performance evaluation of monitoring devices, digital photographs as well as numerous additional technology components.
Refresh rate:
- A computer display as well as visualization technology feature that determines the equipment frequency as well as capacity for repainting or re-drawing that this whole presentation upon on-screen for every instant.