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## Level 1 Questions |
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## Level 1 Questions |
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1. How would you prove the code is correct? |
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1. How would you prove the code is correct? |
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To prove the code is correct I suppose I could set up a test environment |
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To prove the code is correct I suppose I could set up a test environment |
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where I could account for all connections and run tests like |
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where I could account for all connections and run tests like |
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ssh connections, dhclient or dig (dns) connections, nmap port |
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ssh connections, dhclient or dig (dns) connections, nmap port |
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@ -7,25 +8,30 @@ |
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appear in the program's output. |
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appear in the program's output. |
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2. How would you make this solution better? |
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2. How would you make this solution better? |
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I'd improve the solution by making the functions more focused on |
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I'd improve the solution by making the functions more focused on |
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specific tasks, improving how I present the interface of each |
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specific tasks, improving how I present the interface of each |
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function to each other to more specifically eliminate type |
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function to each other to more specifically eliminate type |
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or value errors. I'd also allot more time to complete the task |
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or value errors. I'd also allot more time to complete the task |
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since I wasn't able to find enough before the deadline. |
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since I wasn't able to find enough before the deadline. |
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3. Is it possible for this program to miss a connection? |
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3. Is it possible for this program to miss a connection? |
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Yes, if the connection is brief enough so as not to last more than 10 |
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Yes, if the connection is brief enough so as not to last more than 10 |
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seconds and thereby be missed by the most recent read of the |
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seconds and thereby be missed by the most recent read of the |
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/proc/net/tcp file |
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/proc/net/tcp file |
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4. If you weren't following these requirements, how would you solve the problem of logging every new connection? |
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4. If you weren't following these requirements, how would you solve the problem of logging every new connection? |
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I would likely find a solution that leverages inotify to detect any change to the file and then read it, |
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I would likely find a solution that leverages inotify to detect any change to the file and then read it, |
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rather than polling it every 10 seconds. |
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rather than polling it every 10 seconds. |
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## Level 2 Questions |
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## Level 2 Questions |
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1. Why did you choose 'x' to write the build automation? |
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1. Why did you choose 'x' to write the build automation? |
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I would simply choose bash, as it's what I'm most familiar with and it |
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I would simply choose bash, as it's what I'm most familiar with and it |
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can reliably use the go build tools as well as invoke testing |
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can reliably use the go build tools as well as invoke testing |
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systems like kvm/qemu, docker/podman and the like. |
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systems like kvm/qemu, docker/podman and the like. |
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2. Is there anything else you would test if you had more time? |
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2. Is there anything else you would test if you had more time? |
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If I had more time I'd spend it fleshing out my testing as outlined above |
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If I had more time I'd spend it fleshing out my testing as outlined above |
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and doing a more thorough job of structuring my data in the way |
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and doing a more thorough job of structuring my data in the way |
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that I've modeled it in my head - the choice of go definitely |
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that I've modeled it in my head - the choice of go definitely |
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