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Mike Holloway 4 years ago
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## Level 1 Questions
1. How would you prove the code is correct?
To prove the code is correct I suppose I could set up a test environment
where I could account for all connections and run tests like
ssh connections, dhclient or dig (dns) connections, nmap port
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appear in the program's output.
2. How would you make this solution better?
I'd improve the solution by making the functions more focused on
specific tasks, improving how I present the interface of each
function to each other to more specifically eliminate type
or value errors. I'd also allot more time to complete the task
since I wasn't able to find enough before the deadline.
3. Is it possible for this program to miss a connection?
Yes, if the connection is brief enough so as not to last more than 10
seconds and thereby be missed by the most recent read of the
/proc/net/tcp file
4. If you weren't following these requirements, how would you solve the problem of logging every new connection?
I would likely find a solution that leverages inotify to detect any change to the file and then read it,
rather than polling it every 10 seconds.
## Level 2 Questions
1. Why did you choose 'x' to write the build automation?
I would simply choose bash, as it's what I'm most familiar with and it
can reliably use the go build tools as well as invoke testing
systems like kvm/qemu, docker/podman and the like.
2. Is there anything else you would test if you had more time?
If I had more time I'd spend it fleshing out my testing as outlined above
and doing a more thorough job of structuring my data in the way
that I've modeled it in my head - the choice of go definitely

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