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4. The call in the middle of the night
It's the witching hour and your special batphone rings to let you know the network is down. You can't remote in to check it out. Your only option is to get dressed and head out to the site to reboot whatever piece of equipment is at fault. Of course, you may be lucky, and a call to the provider will reveal a serious issue with your pipe, thereby sparing you a late-night trip.
Image credit: Gatis Gribusts/Flickr