Question

1. even if you think you have a strong internet connection, its a good idea to keep a nearby. laptop pencil phone computer

Explanation:

A phone is a common device that can be used for communication, accessing the internet (as a backup if needed), and various other functions. While a laptop and computer are also related to internet use, the context of "keep a...nearby" with a more general and portable option in mind (compared to a full - sized laptop or computer) makes phone a reasonable choice. A pencil is not related to internet connection backup.

Answer:

phone