HA Arch Flashcards Preview

2019 - AWS CSAA - MINE > HA Arch > Flashcards

Flashcards in HA Arch Deck (13):
1

What are three different types of load balancers

Application
Network
Classic

2

You get a 504 error. What should you look at first

The application - web server or DB server

3

You need the IPv4 address of your end user. What do you need?

X-Forwarded-For header

4

How are Instances marked when monitored by ELB?

Inservice, Outofservice

5

Your developer created an application and need the DNS name for the load balancer. Is that a problem?

No, Load balancers only use their DNS name

6

What enables users to stick to the same instance when using a load balancer?

Sticky sessions

7

What would you enable to load balance across multiple availability zones?

Cross-zone load balancing

8

What enables you to direct traffic based on a URL contained request?

Path patterns

9

What AWS service allows you to script you cloud env?

Cloudformation

10

What can you use to quickly spin up a complex env?

Quick start

11

What load balancer should you use for production that will make intelligent routing decisions?

Application load balancers

12

What load balancer should you use when high performance is required?

Network

13

What load balancer should you use when cost is a concern.

Classic