Review Questions Flashcards
What are the differences between all-in, on-premise and hybrid deployment?
All in: Everything in the cloud
Hybrid: Connection between cloud and on-premise
On-Premise: Exclusively in the organization’s data center
What can bring a performance boost in S3?
cross region replication, Random key names, access logs, sequential key names
Random (not sequential) key names
What can restrict access to S3?
IP-Address range, AWS Account, Object structire (prefix e.g.)
What is true about Glacier?
A) Data is stored in objects that live in archives
B) Archives are identified by user-specific key names
C) Archives need 3-5hrs to be restored
D) Vaults can be locked
E) Can be a standalone service or used in S3 lifecyle policy
C, D, E
When a new VPC with 3 subnets, per default they cannot communicate with each other?
Not true, they are able to communicate.
What happens to the host if an instance is stopped?
The host is changed, that is why the instance store is lost.
Which feature allows to create a dual homed instance?
The ENI
Which is needed for a ELB to accept incoming traffic?
A listener
What needs to be set up in the load balancer for the users not to receive a warning?
The Subject Alternative Name (SAN) for every website targeted
Which three types does the ELB support?
Internet-facing, Internal, HTTPS
What are the licence restrictions for MS SQL?
You can only have them as “bring your own licence”
To how many nodes can you scale Memcache / Redis?
Memcache: 20
Redis: 0 - Uses replications
What can be the origins of CloudFront?
S3-Bucket
EC2-Instance
On premise HTTP Sever
