awesome/devops-exercises
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@ -2,7 +2,7 @@
:information_source:  This repository contains questions on various DevOps and SRE related topics
:bar_chart:  There are currently **726** questions
:bar_chart:  There are currently **733** questions
:books:  To learn more about DevOps check the resources in [DevOpsBit.com](https://devopsbit.com)
@ -110,7 +110,7 @@ Make sure to elaborate :)
<details>
<summary>What are the anti-patterns of DevOps?</summary><br><b>
* Now allowing to push in production on Friday :)
* Not allowing to push in production on Friday :)
* One specific person is in charge of different tasks. For example there is only one person who is allowed to merge the code of everyone else
* Treating production differently from development environment. For example, not implementing security in development environment
</b></details>
@ -2467,7 +2467,11 @@ Kubernetes is especially good for scenarios when you no longer running small num
</b></details>
<details>
<summary>Explain what is a Pod</summary><br><b>
<summary>Explain what is a Kubernetes pod</summary><br><b>
</b></details>
<details>
<summary>Explain what is a Kubernetes node</summary><br><b>
</b></details>
<details>
@ -2498,6 +2502,18 @@ In case we find out there was a temporary issue with the pod or the system, we c
Setting the replicas to 0 will shut down the process. Now start it with `kubectl scale deployment [name] --replicas=1`
</b></details>
<details>
<summary>What the Kubernetes Scheduler does?</summary><br><b>
</b></details>
<details>
<summary>Explain what is Kubelet</summary><br><b>
</b></details>
<details>
<summary>What happens to running pods if if you stop Kubelet on the worker nodes?</summary><br><b>
</b></details>
<details>
<summary>Describe how roll-back works</summary><br><b>
</b></details>
@ -2664,7 +2680,7 @@ There are many other characteristics but these are the main ones that every pyth
</b></details>
<details>
<summary>What build-in types Python has? Which of them are mutable? How can you show that a certain data type is mutable?</summary><br><b>
<summary>What built-in types Python has? Which of them are mutable? How can you show that a certain data type is mutable?</summary><br><b>
The mutable data types are:
@ -2868,10 +2884,6 @@ Generally, every compiling process have a two steps.
<summary>What is Lambda? How is it used?</summary><br><b>
</b></details>
<details>
<summary>What <code>//</code> is used for?</summary><br><b>
</b></details>
<details>
<summary>How do you swap values between two variables?</summary><br><b>
@ -2898,8 +2910,35 @@ def return_sum():
```
</b></details>
<details>
<summary>Print the average of [2, 5, 6]. It should be rounded to 3 decimal places</summary><br><b>
```
li = [2, 5, 6]
print("{0:.3f}".format(sum(li)/len(li)))
```
</b></details>
#### Lists
<details>
<summary>How do you get the maximum and minimum values from a list? How to get the last item from a list?</summary><br><b>
```
Maximum: max(some_list)
Minimum: min(some_list)
Last item: some_list[-1]
```
</b></details>
<details>
<summary>How to get the top/biggest 3 items from a list?</summary><br><b>
```
sorted(some_list, reverse=True)[:3]
```
</b></details>
<details>
<summary>How to merge two sorted lists into one sorted list?</summary><br><b>
</b></details>
@ -3087,6 +3126,20 @@ y = ''.join(set(x))
<summary>Find the frequency of each character in string</summary><br><b>
</b></details>
<details>
<summary>What is the result of each of the following?
```
>> ', '.join(["One", "Two", "Three"])
>> " ".join("welladsadgadoneadsadga".split("adsadga")[:2])
>> "".join(["c", "t", "o", "a", "o", "q", "l"])[0::2]
</summary><br><b>
```
>>> 'One, Two, Three'
>>> 'well done'
>>> 'cool'
```
</b></details>
<details>
<summary>How to reverse a string? (e.g. pizza -> azzip)</summary><br><b>