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Category: AWS-SYSOPS (v.2)

Exam AWS-SYSOPS: AWS Certified SysOps Administrator – Associate (update January 1st, 2017)

Can you configure the security groups for these instances to only allow the ICMP ping to…

Your entire AWS infrastructure lives inside of one Amazon VPC You have an Infrastructure
monitoring application running on an Amazon instance in Availability Zone (AZ) A of the region,
and another application instance running in AZ B. The monitoring application needs to make use
of ICMP ping to confirm network reachability of the instance hosting the application.
Can you configure the security groups for these instances to only allow the ICMP ping to pass
from the monitoringinstance to the application instance and nothing else” If so how?

Which two things do we need to confirm in the VPC settings so that these EC2 instances can communicate inside

You have two Elastic Compute Cloud (EC2) instances inside a Virtual Private Cloud (VPC) in the
same Availability Zone (AZ) but in different subnets.One instance is running a database and the
other instance an application that will interface with the database. You want to confirm that they
can talk to each other for your application to work properly.
Which two things do we need to confirm in the VPC settings so that these EC2 instances can
communicate inside the VPC?
Choose 2 answers

How can you best resolve the issue of the application responses not meeting your SLA?

You have a web-style application with a stateless but CPU and memory-intensive web tier running

on a cc2 8xlarge EC2 instance inside of a VPC The instance when under load is having problems
returning requests within the SLA as defined by your business The application maintains its state
in a DynamoDB table, but the data tier is properly provisioned and responses are consistently fast.
How can you best resolve the issue of the application responses not meeting your SLA?

What would you recommend to minimize costs while being able to provide hill availability?

You run a web application where web servers on EC2 Instances are In an Auto Scaling group
Monitoring over the last 6 months shows that 6 web servers are necessary to handle the minimum
load During the day up to 12 servers are needed Five to six days per year, the number of web
servers required might go up to 15.
What would you recommend to minimize costs while being able to provide hill availability?


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