What do routing protocols use to verify that a link from one router to another is active?

A(n) ________ is the primary document used in Excel to save and work with data that is arranged in columns and rows

Fill in the blank(s) with correct word

In the exported EPUB file, images are not appearing where you want them. How do you make the images appear between para graphs rather than at the end of the story?

What will be an ideal response?