University's network connection goes down

you can't access any Web sites off campus

call the Computing Center and ask if there are any scheduled outages, although this can happen at any time

an individual host (gladstone, darkwing, etc.) goes down

you can't access any documents on that host

call the Computing Center and ask if there are any scheduled outages, although this can happen at any time

the University's nameserver goes down

you can't access any computers anywhere

call the Computing Center and ask if there are any scheduled outages, although this can happen at any time

there is a high load average on a computer

documents load slowly or not at all

none

you are using a site in a far-away land (South Africa, Hong Kong, etc.)

documents load slowly

allow extra time in your presentation; look for the same information somewhere else on the net (this is called "mirroring")

you are using someone else's personal homepage

they may modify its contents or where the hyperlinks go

make sure you've seen the homepage that day; download and copy it; copy the links that you will use

the computer that you are using for your presentation is different from the one you are used to or rehearsed with

it may be slower to load and display pages; you may be unfamiliar with its use

make sure you know the capabilities of the computer you are using for the presentation