Which network design layer provides a connection point for end user devices to the network? access core distribution networkby a networking device

Consider the following markup:

Describe when it’s appropriate to use the small element and provide an example?

Can you describe why hgroup was dropped and how the markup can be addressed today with an example?

Is the alt attribute mandatory on img elements? If not, can you describe a scenario where it can be set to an empty value? Does an empty value affect accessibility in any way?

Is it possible to express a date range using a single time element?

What’s the difference between the meter element and the progress element?

What is the longdesc attribute? Can you explain its purpose?

What is the mark element? Can you describe an example of use for this element?

How to create nest tables within tables in HTML?

How do I link to a location in the middle of an HTML document?

How to create a button which acts like a link?

Explain marquee tag.