Deck 4 Flashcards
Is it possible to continue using an EBS volume while a snapshot is being taken?
Yes
SQS parameter that indicates time to wait until a message is available in the queue before sending a repsonse
WaitTimeSeconds
SSL/TLS protocols not supported by ELBs
SSL 1.0
Elasticache metric for the number of get requests the cache has received where the key requested was not found
GetMisses
Command line command to disable specified alrms in CloudWatch
mon-disable-alarm-actions
API call to disable specified alrms in CloudWatch
disable-alarm-actions
SQS parameter to specify an initial invisibility period for a message that youhave added to a queue
DelaySeconds
What do you need to do to ensure EC2 instances marked unhealthy by the ELB will be terminated and
replaced?
Add an Elastic Load Balancing health check to your Auto Scaling group
Regarding the attaching of ENI to an instance, what does ‘warm attach’ refer to?
Attaching an ENI to an instance when it is stopped
Regarding the attaching of ENI to an instance, what does ‘hot attach’ refer to?
Attaching an ENI to an instance when it is stopped
Regarding the attaching of ENI to an instance, what does ‘cold attach’ refer to?
Attaching an ENI to an instance when it is launching
Min and max retention period for RDS backup
Min: 0 (no backup)
Max: 35
Logical grouping of instances within a single Availability Zone, recommended for applications that benefit from low network latency, high network throughput, or both.
Placement group
Are S3 objects stored in more than one region?
Objects stored in a region never leave the region unless you explicitly transfer them to another region.
Is it possible for an ELB to balance traffic between 2 regions?
No
How to determine that an object was successfully stored in S3?
Use the Content-MD5 form field
Is it possible to create a route 53 CNAME for the apex?
No
SWF
Simple Workflow Service makes easy to build applications that use AWS to coordinate work across distributed components
What is a placement group?
A placement group is a logical grouping of instances within a single Availability Zone. Placement groups are recommended for applications that benefit from low network latency, high network throughput, or both. To provide the lowest latency, and the highest packet-per-second network performance for your placement group, choose an instance type that supports enhanced networking.
S3 object size limit
5TB
How to log client connection information to an ELB?
Enable access logs in the ELB
Price paid monthly to use the repository of public datasets
They are free to use
Types of SG for RDS
- EC2 SG
- DB SG
- VPC SG
What is server side encryption in S3?
It encrypts the files that you send to Amazon S3, on the server side.
What are query requests?
Query requests are HTTP or HTTPS requests that use the HTTP verb GET or POST and a Query parameter named Action.