In the late 1980s, computer specialists were concerned that proprietary software had too many ________, so they started working on open source projects

A system administrator wants to use open source software but is worried about the source code being comprised. As a part of the download and installation process, the administrator should verify the integrity of the software by:

A. Creating a digital signature of the file before installation B. Using a secure protocol like HTTPS to download the file C. Checking the has against an official mirror that contains the same file D. Encryption any connections the software makes

_________________________ is an important design tool that you can use to ensure the unity and overall look and feel of your Web site's pages.

Fill in the blank(s) with the appropriate word(s).