Challenge: The Base(64)ics

Course Content
Base64, base32, and base16... Oh my!
In this challenge, you lean over to your colleague Alice, and she recommends taking a look at a tool called [CyberChef](https://gchq.github.io/CyberChef/). It is an open-sourced web application developed by GCHQ for analyzing and decoding data. Spin it up, and let's learn some basics around Base64.
> 1. What character pads the end of base64 encoded strings?
> 2. The base32 alphabet is made up of only __________ characters.
> 3. Base16 is the same as: __________
> 4. The final flag is: __________
> 5. The string on the course card looks interesting... May need further investigation... Type "Easter Egg" to complete this challenge.

Who is this for?
> Early career practitioners. Individuals new to cybersecurity may be challenged but the difficulty rating on this challenge is relatively low.
What resources are available to help solve this challenge?
> Online search, Discord community, colleagues or fellow practitioners.
Are write ups permitted?
> Yes, write ups are permitted; however, please do not post answers directly. All write ups should include an appropriate link back to Cybrary and the Cybrary Course.