From 99050cbf904e870db581af21a848badc7a8f4aaa Mon Sep 17 00:00:00 2001 From: abregman Date: Sun, 28 Feb 2021 23:10:06 +0200 Subject: [PATCH] Update --- README.md | 60 +++++++++++++++++++++++++++++++++++++++++++++++-------- 1 file changed, 52 insertions(+), 8 deletions(-) diff --git a/README.md b/README.md index dca9e30..cc98fb7 100644 --- a/README.md +++ b/README.md @@ -2,7 +2,7 @@ :information_source:  This repo contains questions and exercises on various technical topics, sometimes related to DevOps and SRE :) -:bar_chart:  There are currently **1518** questions +:bar_chart:  There are currently **1519** questions :books:  To learn more about DevOps and SRE, check the resources in [devops-resources](https://github.com/bregman-arie/devops-resources) repository @@ -120,6 +120,28 @@ Google: * Not allowing someone to push to production on Friday ;) +#### Version Control + +
+What is Version Control?
+
+ +
+What is a commit?
+
+ +
+What is a merge?
+
+ +
+What is a merge conflict?
+
+ +
+What best practices are you familiar with regarding version control?
+
+ #### CI/CD
@@ -663,6 +685,10 @@ It's important to note that: * Serverless Computing allows you to have a different paying model. You basically pay only when your functions are running and not when the VM or containers are running as in other payment models
+
+Is there a difference between managed service to SaaS or is it the same thing?
+
+ ## AWS #### Global Infrastructure @@ -1956,8 +1982,6 @@ Packets that are sent on the ethernet are always coming from a MAC address and s What is an IP address?
An Internet Protocol address (IP address) is a numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication.An IP address serves two main functions: host or network interface identification and location addressing. - -
@@ -1987,7 +2011,11 @@ A Subnet mask is a 32-bit number that masks an IP address, and divides the IP ad
-What is a private IP address? What do we need it for?
+What is a private IP address? In which scenarios/system designs, one should use it?
+
+ +
+What is a public IP address? In which scenarios/system designs, one should use it?
@@ -10762,7 +10790,17 @@ The server didn't receive a response from another server it communicates with in
-What load balancer algorithms are you familiar with?
+What load balancer techniques/algorithms are you familiar with?
+ + * Round Robin + * Weighted Round Robin + * Least Connection + * Weighted Least Connection + * Resource Based + * Fixed Weighting + * Weighted Response Time + * Source IP Hash + * URL Hash
@@ -10792,14 +10830,20 @@ Pros:
-Explain the following load balancing algorithms: +Explain each of the following load balancing techniques * Round Robin + * Weighted Round Robin * Least Connection - * Source IP hash
+ * Weighted Least Connection + * Resource Based + * Fixed Weighting + * Weighted Response Time + * Source IP Hash + * URL Hash +

-
Explain use case for connection draining?
To ensure that a Classic Load Balancer stops sending requests to instances that are de-registering or unhealthy, while keeping the existing connections open, use connection draining. This enables the load balancer to complete in-flight requests made to instances that are de-registering or unhealthy.