Deck 1 Flashcards
In the context of an ENI, what is a hot attach?
Attaching the ENI with the instance running
In the context of an ENI, what is a warm attach?
Attaching the ENI with the instance stopped
In the context of an ENI, what is a cold attach?
Attaching the ENI when the instance launches.
Which types of records should you use to point a domain’s apex zone (root) to an Application Load Balancer?
An A record (IPv4)
An AAAA record (IPv6)
How long does it take to complete an AZ failover in a multi-AZ RDS scenario
A minute or two
Which tool can help you import and export DynamoDB data sets as part of your testing?
EMR (Elastic Map Reduce)
What do you need to refer to when considering doing Penetration testing on your AWS infrastructure?
The Customer Service Policy for Penetration Testing
Which type of load balancer do you use if you want to do path based load balancing?
An Application Load Balancer (ALB)
What sort of traffic does a NACL allow by default?
All of it, both in and out
What should you have a look at if you’re having trouble getting to the internet gateway from one of your instances?
Your routing table(s)
How are NACL rules assigned and evaluated?
They are assigned numbers, and are evaluated from the smallest number to the largest.
The first match is the action that is completed.
You can use a wildcard (*) to catch all other traffic.
IAM: Do roles go against compute objects or “people” objects (users and groups)?
They go against compute objects. Policies go against “people”.
What can you do with reserved instance time you no longer need?
Sell it on the AWS Marketplace.
How much faster is Aurora than MySQL and Postgres RDS flavours?
5x faster than MySQL RDS
3x faster than Postgres RDS
What can ElastiCache help with?
Caching databases (RDS, in particular) to ease read pressures on them
It can also be used to store user session data
