Answer:
A page that gets a Didn't Load flag
Pages with an obvious problem with functionality or errors in displaying content
Explanation:
The main reason why a page gets Page Quality rating Low/Lowest is if it can't be shown for one reason or another.
A page with mismatch between the location of the page and the rating location, does have a mismatch but some form of a page is shown.
A file type other than a webpage displays that specific file type in a page framework, so page is shown
Other two do not show a page, so they will get a PQ rating Low/Lowest
The answer is the second option "false." ISDN does not stand for Internet Services Dynamic Network it stands for Integrated Services Digital Network. ISDN is the international communication center for sending data, video, and voice over telephone wires.
Hope this helps.
There are 6 octects ( 8 bit numbers ) in a MAC address, so there's 256^6 possible addresses.
