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System Engineer Interview Questions


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What is the difference between RAID 0 & RAID 5?

2 Answers

It should a simple question if you have worked with computers & HDDs. RAID 0 - Block striping (req. 2 HDDs) and no mirroring or parity RAID 5 - Block striping with 1 dedicated parity drive (req. 3 HDDs)

To expand on the previous answer, RAID 0 improves HDD performance dramaticaly, but since there is no mirroring if one drive dies data is lost. RAID 0 should never be used on a system with critical data. In RAID 5, performance is slower, but it allows for the failure of a HDD with no loss of data. Consider instead, RAID 10. It requires a minimum of four HDD's, but provides an increase in performance with redundancy.

can you host multiple https sites with different domain names but same IP on the same server? how

3 Answers

How would you peform an SSH connection between these two PCs. I can't give you any information on these PCs, just do it.

4 Answers

How do you handle irate clients that are having technical trobules and need to work immediately.

3 Answers

How do you represent a real-world quantity in a digital system?

1 Answer

You have 8 pennies, 7 weight the same, one weighs less. you also have a judges scale. Find the one that weighs less in less than 3 steps.

13 Answers

How many trailing zeros are in the number 5! (5 factorial)?

9 Answers

Given a page size and a number, align the number with the nearest page. (Note: This was a phone interview question. The interviewer and I used an online document to share ideas about this problem.

5 Answers

identify the number of 1s in an integer is odd or even

7 Answers

Given a wireless channel with loss rate 0.1, what's the throughput one can get with retransmission.

8 Answers
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