__________ external devices are suitable for communicating with modems.

A web-based service that enables creators to post short messages in a blog-like format is a ________

A) micropost B) reddit C) microblog D) subreddit

The most common way for a virus to spread is by __________

a. Use of your email contacts b. Scanning your computer for network connections and copying itself to other machines on the network c. Locating Linux machines d. None of the above