Answer:
The command to create a compressed archive (archive1.tar.gz) is

Explanation:
The explanation for the above command is
The general command to create a compressed archive is
tar -czvf name-of-archive.tar.gz /path/to/directory-or-files
Here, the terms are as follows:
-c : Creates an archive
-z : Compress the archive with gzip.
-v : This is known as verbose. This is an optional command and it displays the progress on terminal command. Without this the progress is not displayed on terminal command.
-f : Allows to specify the file name of the archive.
Here, if we want to archive multiple files, we provide the command the names of multiple files or directories of the files also can be used.
So, the command 
creates a compressed archive - archive1.tar.gz of files test1, test2 and test3.
Answer:
A blog.
Explanation:
A blog can be defined as an informative or discussion-based website that is updated regularly and published over the internet. The informations that are posted on a blog are usually done chronologically and it includes pictures, videos, music, movies, novels, etc.
In this scenario, Kyra is teaching a photography class. She would like her students to share photos, be able to review other students' photos and offer feedback.
Hence, the technology Kyra should use is a blog because it would avail the users (students) to post photos, make comments on blog posts and review items posted by others.
Answer:
Data sequencing is the sorting of data for inclusion in a report or for display on a computer screen.
Explanation:
Extensible Hypertext Markup Language.
The given narration talks about the different means of taking a screen capture on a Windows environment.
<h3>What is a Screen Capture?</h3>
This refers to the process where the content of a screen is captured in a digital image form that is saved in the Documents of the computer as a screenshot.
Hence, we can see that the author mentioned the various ways of using the snipping tool to capture whole or part screens and the precise procedure on how to do it.
Read more about screen capture here:
brainly.com/question/22654940
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