From 5a82afed025699e571c2a05463fdddf9178706ad Mon Sep 17 00:00:00 2001
From: abregman <abregman@redhat.com>
Date: Sat, 30 Nov 2019 19:37:52 +0200
Subject: [PATCH] Add elastic questions

---
 README.md          |  43 +++++++++++++++++++++++++++++++++++++------
 images/elastic.png | Bin 0 -> 2446 bytes
 2 files changed, 37 insertions(+), 6 deletions(-)
 create mode 100644 images/elastic.png

diff --git a/README.md b/README.md
index 68f98ae..dad92e3 100644
--- a/README.md
+++ b/README.md
@@ -2,12 +2,7 @@
 
 :information_source: &nbsp;This repository contains interview questions on various DevOps and SRE related topics
 
-:bar_chart: &nbsp;There are currently **522** questions
-
-***
-<p align="center"><b> 🎉 Questions are now available at <a href="http://devopsbit.com/devops-interview-questions">devopsbit.com</a> 🎉 </b> </p>
-
-***
+:bar_chart: &nbsp;There are currently **526** questions
 
 :books: &nbsp;To learn more about DevOps check the resources in [DevOpsBit.com](https://devopsbit.com)
 
@@ -56,6 +51,7 @@
   </tr>
   <tr>
     <td align="center"><a href="#monitoring"><img src="images/monitoring.png" width="75px;" height="75px;" alt="Monitoring"/><br /><b>Monitoring</b></a><br /><sub><a href="#monitoring-beginner">Beginner :baby:</a></sub><br><sub></td>
+    <td align="center"><a href="#elastic"><img src="images/elastic.png" width="75px;" height="75px;" alt="Elastic"/><br /><b>Elastic</b></a><br /><sub><a href="#elastic-beginner">Beginner :baby:</a></sub><br><sub></td>
     <td align="center"><a href="#general"><img src="images/general.png" width="110px;" height="75px;" alt="General"/><br /><b>General</b></a></td>
     <td align="center"><a href="#scenarios"><img src="images/scenarios.png" width="110px;" height="75px;" alt="Scenarios"/><br /><b>Scenarios</b></a></td>
   </tr>
@@ -3671,6 +3667,39 @@ the pseudo table to retrieve the sum of the prices spent by each customer, then
 <summary>Explain what is Hiera</summary><br><b>
 </b></details>
 
+## Elastic
+
+<a name="elastic-beginner"></a>
+#### :baby: Beginner
+
+<details>
+<summary>What is the Elastic Stack? What products does it includes?</summary><br><b>
+
+The Elastic Stack consists of:
+  * Elasticsearch
+  * Elastic Hadoop
+  * Kibana
+  * Logstash
+  * Beats
+  * APM Server
+</b></details>
+
+<details>
+<summary>Describe what happens from the moment the app logged some information until it's displayed to the user in the dashboard when the Elastic stack is used</summary><br><b>
+</b></details>
+
+<a name="elastic-advanced"></a>
+#### :star: Advnaced
+
+<details>
+<summary>Describe how would an architecture of production environment with large amounts of data would be different from a small-scale environment</summary><br><b>
+
+There are several possible answers for this question. One of them is as follows:
+
+A small-scale architecture of elastic will consist of the elastic stack as it is. This means we will have beats, logstash, elastcsearch and kibana.<br>
+A production environment with large amounts of data can include some kind of buffering component (e.g. Reddis or RabbitMQ) and also security component such as Nginx.
+</b></details>
+
 ## General
 
 Although the following questions are not DevOps related, they are still quite common so it's better to prepare for them as well.
@@ -3751,6 +3780,8 @@ Below you can find several scenario questions:
 
 ## Credits
 
+Thanks to all of our amazing [contributors](https://github.com/bregman-arie/devops-interview-questions/graphs/contributors) who make it easy for everyone to learn and prepare to their interviews.
+
 Logos credits can be found [here](credits.md)
 
 ## License
diff --git a/images/elastic.png b/images/elastic.png
new file mode 100644
index 0000000000000000000000000000000000000000..c6981974fbe8649c7536a4e3dff80424eddf74cd
GIT binary patch
literal 2446
zcmc&#YgAKL7QQM2Q7R~<1uX`wmxn^gi)T!H@Gx8;p+ZEEM+gv;439v#2m~kyMX@?!
zZ^i-=1gg|kArvSN5s)$#Ay%M*1_X-5#=$WP8Xh(hVQ%QG8CTbu`OzPpz1F?^p0mGi
z?|t??XP;9aG3gsOY~26=z(&Z&D-ZzIIH2EC7=83D$||ful^$<DV?O{i6d7tce?rGr
zF+PC|01(>%K<+01@EV=UeF6Zf1ORv%1pt&105D6EUOz}h4f@f3bT3q+qVa6cLDl*s
zpU@NlFhau^Ijqr?&1^y^4Pc1jZSZK_HVkI-<V&muB`!f;`&sE@&nFm#6KUIeUk;ur
ztAlnQDvQq^HF@f3yr;qRy~`)<Xod8JpFFl7vER7iP+wuStuc1qD&CvQH_lV|ZDR4M
zq24t^tY=mFRo41`&Mn6z=8dG({+sC~w0qe;t_@SKR*pvEM{mwV?r~VjAd|aRm}_;Z
z{&(3&>{P6)bG8*~1BFy9yZG`$v0?d(injCBhBA7%y`E~NiE6$mnLw25;@GZVXXiwy
z5}aI_>MX=eV!;rB@`~x;&x6B^YkceLeo#kUBg;LIb|lM5E`yFWO?vYp?ttN4e(IZG
z*M+c9%CMN_oR?b4G&<3lEXqWdBw3*RgCoK(q&c>lY(!||PHk<3>lP|^>8VH##wYT@
z3WkUvpHyVp39Ti(Fm^>)=<7HY@jZ;f1!sJsU6SQ2KMs;*uaX!VZ)9rX_K;<m@joct
zV<#SWCj}t0pe9|qoSbUGP?w?$vPEqq;~R(TspdBv<s%;kheymZ)IUD%e(|I1BwT9n
zleM&iGwLT|BbkqcJ@;ST0NJ6~cZBh@%QaLCo-^@1I^m<fpa?73TH&K^>*}8v7t?Lm
zE8bTy^=1Rqw@||_GPGxJd&-Leh39pj`j*8i&@z#h_Z1w61eA9ye=kde&qgIgXAq<e
zQ5q5<Yb7-Aai3wQ(^Z=zc7&8=2G|VNSDtURc`zdO8o?<3zG(emSgaQ$D^{L;EQg%q
z^x{%x3aShzD<Y4zV((h#H4ltkA#}(VjQW%@pC$@uU-;?8T^g}171Gus;g&*%*0_6&
zPe(>tuxm=QFqfAA_JR7!_ScZUj1HfQ+TZGKowcQV?d?qtmGAtKszgAm%wImQoC4b=
zXTpj&R~HcNR|^>3CXHGW%M9TD8|>w#;#ikumnK(c<Ll9K%amWfxwUiZfUB)07;){{
zx&8S((s53C8d|<9_CJhK9QX#>QxYpwZTIh-CbeNhf4+6_k6qI5E#Yb@f+ZG^Ivz<@
z5&dP6h?#ByJ3>C_EKv@Zh7*1ma?8^-DWEz%CZp5SHqn>l-?*E(9^cyrJ{)+YZCL2K
z_RGDxab%)6mah7&U>=eBHr`{KmnYJ`w3nJB!k)+*Xt4zwc*hU=SgIVg>B{s&G9}OA
zX^kb*2=%XC^@?lBrgon7xg<Tq|ATU&RKzwfVEU94>O-+tG5Rlgh?GxTOKLM3Y+Bvq
zlLgCma`utITySvS?7$_(j_YX7?W%rA4Xd`CQ}R`7bcbgt6&aS%3HO<{8qZ&k)9wpO
zAJu06=H8#TDD?B1OM5g2k=b6s_Jmp+&GA=XyO`9<Xcv^H6gx_M13*m%N&-W|LZy4l
zmE9mOEP!)W%1}q;aOMYB53}R*BxJT3+s(?blc>%zFp6r2fr<e2U%;ZKi+^LKgYv)}
zj&f!Zhf&yvN>?(G{8H)IxA)cQNdB9GyK}k*6P3{WNc$38l4xreOzWVNl4rB{GiO_|
zL#cVq5fc73pGH&RcXLnO%H#|1zS<Ugy<@NP@zgqKW<a^KW2xzyNe%RInLKqqxA^$D
z>#%sA`{}u9L<^o|Qa@J?_($%V{7m^J*r}L%Qk#qfm1+%oZbI1S_%qt25w1zCeY0E6
zE_spY$#+xWtS{Po$B_=2{GwuRYe>JsvOr`b7b16Bun)eKgS`?9KXoi}Wy$bT@sXmd
zx5;^j$E)5Yqy7Bi-M&A+KaH<jnd-T6Y=K<f;ESXr2I)5E|B$Fp-<XjMR2IgkvUNA3
zHS8S%$8umUB}T+W6+j{o-EagFj^xZDxKo@-6f)VKK%fu^toBgdrTrg5f-qKaG~?d{
zf(wgCq!8UGPJ~|x`F#dqD1o7ikRm(^r*TAF07~HSxC{<Y5EEzR;^^k+j&rv<NOZAE
zcXMI8I9Z|5U2z0g9GPgvhv6g&9-o$$<|xpS&<7<s3Prpi&Y@eVV{@Hj7C$v1nnLjs
z#-t{26JZMFBNUnf5U;GX<5A3(w=k=rDHI>BfX9ack`sZ@+nr(h8%O^F9TvpG{8h|Q
zVfDt}IARDAxNt@i7g)^;pOnbk+ZfD5L1u47W3W&ZKy)U$x)Yt<NrVp{)V@R^@4f{I
z5{S6~+1b&}&%@)~>F7JC8G6fnC=ddU3gWqF5%9t!SQm#K&4FY1Y$rT7o|6I#VsI%i
qCngRTFXRbvs2K-~IEg7qXq^*bM|8Y-sWJ_93P9dWuR4#Yyng~g5bPBI

literal 0
HcmV?d00001