C seems like the obvious choice here. Slow network speeds were the bane of our early computing ancestors. Imagine trying to download a single cat video - it would take days!
I'd say the correct answer is D. Vendor-specific protocols were a major headache back then. Trying to make different systems talk to each other was like trying to get a cat and a dog to be friends.
Alpha
11 months agoMaile
11 months agoCeleste
11 months agoAbel
11 months agoLang
11 months agoJosphine
11 months agoFlorinda
11 months agoDana
11 months ago